Digium Te200 Series User Manual

TE200 SeriesTE220B/TE220/212P/210P/207P/205P

User Manual

601-00011 Rev. B1

Digium, Inc.

Digium, Inc. 2011All rights reserved.

No part of this publication mretrieval system, or translatepermission of Digium, Inc.

Digium, Inc. has made everyare adequate and error free.not be covered by this docdocuments is limited to the c

This document has been preand the customer assumes f

Adobe and Acrobat are regisSystems Incorporated.

Asterisk, Digium, SwitchvoxBusiness Edition, AsteriskGU

Any other trademarks mentio

Digium, Inc.445 Jan Davis Drive NW

Huntsville, AL 35806United States

Main Number: 1.256.428.6000Tech Support: 1.256.428.6161U.S. Toll Free: 1.877.344.4861

Sales: 1.256.428.6262www.digium.comwww.asterisk.org

www.asterisknow.orgPage 2

ay be copied, distributed, transmitted, transcribed, stored in ad into any human or computer language without the prior written

effort to ensure that the instructions contained in this document The manufacturer will, if necessary, explain issues which mayumentation. The manufacturers liability for any errors in theorrection of errors and the aforementioned advisory services.

pared for use by professional and properly trained personnel,ull responsibility when using it.

tered trademarks, and Acrobat Reader is a trademark of Adobe

, and AsteriskNOW are registered trademarks and AsteriskI, and Asterisk Appliance are trademarks of Digium, Inc.

ned in the document are the property of their respective owners.

Digium, Inc.

Safety Certification and Agency Approvals

Safety:

UL 60950-1:2003, First EditionCSA C22.2 No. 60950-1-03 1st Ed. April 1, 2003IEC 60950-1:2001 First EditionEN 60950AS/NZS 60950

Note: Finland, Norway and Sweden require that equipment using this product must be located in a Restricted Access Location (RAL).

Telecom:

FCC Part 68, ANSI/ITAIndustry Canada CS-03AS/ACIF S016: 2001AS/ACIF S038: 2001RosTest TBR4 November 1995TBR12 December 199TBR13 January 1996

Emissions:

Note: Shielded T1/E

47 CFR Part 15, SubpaEN 55022:1998 Class BConductedEN 55024:1998 / IEC 6Page 3

-968-A, Including Amendment A1 and A2

as amended by TBR4/A1 December 19973

1/J1 cables are required for compliance purposes.

rt B / 47 CFR Part 15, Subpart B, Class B / EN 55022:1998 Class B Radiated and

1000

Digium, Inc.

Immunity:

EN55024 ITE, EN61000

Federal Communications Commission Part 68

This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the back of the TE200 Series printed circuit board is a label that contains, among other information, a product identifier in the format US:AAAEQ##TXXXX. If requested, this number must be provided to the telephone company.

A plug and jack used toand telephone networkrules and requirements

If the TE200 Series caucompany may notify yoservice may be requiretelephone company wiadvised of your right tonecessary.

The telephone companoperations or procedureIf this happens, the teleorder for you to make nservice.

If you experience prob(+1.256.428.6161) for equipment is causing hPage 4

connect this equipment to the premises wiring must comply with the applicable FCC Part 68 adopted by the ACTA.

ses harm to the telephone network, the telephone u in advance that temporary discontinuance of

d. But if advance notice is not practical, the ll notify you as soon as possible. Also, you will be file a complaint with the FCC if you believe it is

y may make changes in its facilities, equipment, s that could affect the operation of the equipment. phone company will provide advance notice in ecessary modifications to maintain uninterrupted

lems with the TE200 Series, contact Digium, Inc. repair and/or warranty information. If the arm to the telephone network, the telephone

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company may request that you disconnect the equipment until the problem is resolved.

FCC Part 15

This device complies with part 15 of FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

Industry Canada Com

Notice: The Industry Cthe Industry Canada loregistration number) inspecifications were mePage 5

pliance Information

anada label applied to the product (identified by go or the "IC:" in front of the certification/dicates that the Industry Canada technical t.

Digium, Inc.

Introduction to TE200 Series DocumentationThis manual is a user guide for Digiums TE200 Series cards. The Digium TE200 Series cards are a T1/E1 capable card series created for voice and data. The cards in this series are as follows:

Table 1: TE200 Series Cards

Model Features Type

TE220BTE220TE212PTE210PTE207PTE205P

3.3 vol3.3 vol3.3 vol3.3 vol5.0 vol5.0 volPage 6

t, 2 Ports, Echo Cancellationt, 2 Portst, 2 Ports, Echo Cancellationt, 2 Portst, 2 Ports, Echo Cancellationt, 2 Ports

PCI ExpressPCI ExpressPCI 2.2PCI 2.2PCI 2.2PCI 2.2

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Document OrganizationThe manual is organized in the following manner:

Chapter/Appendix Title Description

1 Overview Identifies the features of the card you received. This chapter covers applications and uses of the TE200 Series cards in the real world.

2 Card Instal

3 Configurat

4 Troublesho

A Pin Assign

B Specificati

C Glossary aAcronymsPage 7

lation Provides instructions for installing the card in your PC, acquiring correct drivers, and checking device compatibility.

ion Provides examples for configuring dial plan options.

oting Explains resolutions to common problems and frequently asked questions pertaining to card installation and usage.

ments Lists the connectors and pin assignments.

ons Details card specifications.

nd Defines terms related to this product.

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Symbol Definitions

Caution statements indicate a condition where damage to the unit or its configuration could occur if operational procedures are not followed. To reduce the risk of damage or injury, follow all steps or procedures as instructed.

The ESD symbol indicates electrostatic sensitive devices. Observe precautions for handling devices. Wear a properly grounded electrostatic discharge (ESD) wrist strap while handling the device.

The Electrical Hazard Symbol indicates a possibility of electrical shock when orisk of damaginstructed.Page 8

perating this unit in certain situations. To reduce the e or injury, follow all steps or procedures as

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Important Safety Instructions

Save these

User CautionsServicing. Do not attempt to service this card unless specifically instructed to do so. Do not attempt to remove the card from your equipment while power is present. Refer servicing to qualified service personnel.Water and Moisture. Do not spill liquids on this unit. Do not operate this equipment in a wet environment.

Heat. Do not operatradiators, air products that

Static ElectrTo reduce the attempt to openot instructed Page 9

instructions for future reference.

e or store this product near heat sources such as ducts, areas subject to direct, intense sunlight, or other produce heat.

icity.risk of damaging the unit or your equipment, do not n the enclosure or gain access to areas where you are to do so. Refer servicing to qualified service personnel.

Digium, Inc.

TABLE OF CONTENTS

Chapter 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Echo-Cancellation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19What is Asterisk? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20Asterisk as a Switch (PBX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20Asterisk as a Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20Asterisk in the CallAsterisk in the NetwAsterisk Everywhe

Chapter 2 Card Installation . . .

Unpacking the CarShipment InspectioIdentifying CommuT1/E1 Selection .Identifying MultipleConnecting TimingSlot Compatibility Hardware InstallatiSoftware InstallatioInstalling Asterisk

Chapter 3 Page 10

Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21ork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23nication Ports . . . . . . . . . . . . . . . . . . . . . . . . . .24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

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Table Of Contents

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39Configuring Card Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40Configuring T1/E1 Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43Testing Your Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Chapter 4 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Appendix A Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Appendix B Specifications . . . . .

Appendix C Glossary and AcronyPage 11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

ms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Digium, Inc. Page 12

List of Figures

Figure 1: Sample Legacy Phone Application . . . . . . . . . . . . . .16Figure 2: Sample Channel Bank Application . . . . . . . . . . . . . .17Figure 3: Sample IP Phone Application . . . . . . . . . . . . . . . . . .18Figure 4: TE210P Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24Figure 5: TE220 Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25Figure 6: T1/E1 Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26Figure 7: Ident Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27Figure 8: Timing Ports Example . . . . . . . . . . . . . . . . . . . . . . . .28Figure 9: Motherboard PCI Slots . . . . . . . . . . . . . . . . . . . . . . .29Figure 10: Insert the Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31Figure 11: Example dmesg Output . . . . . . . . . . . . . . . . . . . . . .54


List of Tables

Table 1: TE200 Series Cards . . . . . . . . . . . . . . . . . . . . . . . 6Table 1: Card Identifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Table A-1: RJ45 Telco Port Connector . . . . . . . . . . . . . . . . . . . .62Table B-2: Maximum Power Consumption . . . . . . . . . . . . . . . . .64

Digium, Inc.

Chapter 1Overview

The Digium TE200 Series cards are a T1/E1 capable card series created for voice and data. They support industry standard protocols, including Robbed Bit Signaling (also known as CAS or Channel Associated Signaling), CCS (Common Channel Signaling), E&M, Primary Rate ISDN (PRI), and several data modes (PPP, HDLC, Cisco HDLC, and frame relay). The TE200 Series cards are capable of running in E1, T1, or J1 modes. They are alsanother. The TE200 Sebank, connecting to yo

This manual is for use was the 5 volt TE205P/2PCI cards. These cardscards throughout this m

Designed to be fully cointegrate fully with themany advanced call fea Page 14

o capable of DACSing channels from one span to ries are ideal for connecting phones to a channel ur T1/E1 switch, or connecting to a legacy PBX.

ith the TE220/TE220B PCI Express card, as well 07P and the 3.3 volt TE210P/212P Dual T1/E1 are identified collectively as the TE200 Series anual.

mpatible with existing software applications and Asterisk platform, the TE200 Series cards allow tures.

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Chapter 1: Overview

Data Modes: Cisco HDLC HDLC PPP Multilink PPP Frame Relay

Voice Modes: PRI CPE and PRI N

NI1 NI2 EuroISDN 4ESS (AT&T) 5ESS (Lucent) DMS100 Q.SIG

E&M Wink Feature Group B Feature Group D

FXO and FXS Ground Start Loop StartPage 15

ET

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Chapter 1: Overview

Loop Start with Disconnect Detect

The TE200 Series cards can be used to connect your Asterisk machine to the PSTN world, your channel bank, or even another PBX. This is accomplished via a T1/E1 interface. The cards allow Asterisk software to connect to your network, creating a professional telephony environment. Figure 2 shows an example of the cards primary application.

Figure 1: S

TE2xx

AsterisServerPage 16

ample Legacy Phone Application

CLEC

T1PRI

k

LegacyPBX

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Chapter 1: Overview

Figure 2: S

CLEC

AsteriskServer

TE2xx

AnaloPhon

T1T1Page 17

ample Channel Bank Application

g es

Channel Bank

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Chapter 1: Overview

Figure 3: Sample IP Phone Application

CLEC

ASTERISKSERVER

TE2xx

SwitchEthLAN

IPPhones

PRIT1Page 18

Digium, Inc.

Chapter 1: Overview

Echo-CancellationUsers connecting their TE200 Series cards to the PSTN or other devices are likely to be placing calls that will result, at some point, in an unbalanced 4-wire/2-wire hybrid. The result of this hybrid is the reflection of a near-end echo to the calling party. Elimination of this echo is the responsibility of echo cancellation.

The TE200 Series cards, unless otherwise equipped, utilize Asterisk to perform software-based echo cancellation. Asterisk maintains a number of open source echo cancelers. These open source echo cancelers provide a moderate level of echhigher levels of, or mo

Digium recommends thpurchase the VPMOCTVPMOCT64 may be coTE210P (as TE212P), The VPMOCT64 is deacross all channels andsolution.

If equipped and not expVPMOCT64 will automwithin its tail range (10commercial HPEC softhttp://www.digium.comPage 19

o cancellation, but are not capable of dealing with re advanced, echoes.

at those users concerned about echo cancellation 64 hardware echo cancellation module. The mbined with either the TE205P (as TE207P),

or TE220 (as TE220B) cards.signed to handle up to 128ms of echo cancellation provides a G.168 compliant echo cancellation

licitly disabled in chan_dahdi.conf, the atically operate and cancel all network echo

24 taps). Users may also purchase Digium's ware:

/en/products/software/hpec.php

Digium, Inc.

Chapter 1: Overview

What is Asterisk?Asterisk is the worlds leading open source telephony engine and tool kit. Offering flexibility unheard of in the world of proprietary communications, Asterisk empowers developers and integrators to create advanced communication solutions...for free. Asterisk is released as open source under the GNU General Public License (GPL), and it is available for download free of charge. Asterisk is the most popular open source software available, with the Asterisk Community being the top influencer in VoIP.

Asterisk as a Switch (Asterisk can be configucalls, managing routes,outside world over IP, a

Asterisk runs on a wideMac OS X, OpenBSD,features you would expthat are often associateAsterisk's architecture Voice over IP in many standards-based telephhardware.

Asterisk as a GatewayIt can also be built out legacy PSTN to the exparchitecture allows it toprotocols and media coPage 20

PBX)red as the core of an IP or hybrid PBX, switching enabling features, and connecting callers with the nalog (POTS), and digital (T1/E1) connections. variety of operating systems including Linux,

FreeBSD, and Sun Solaris. It provides all of the ect from a PBX including many advanced features d with high end (and high cost) proprietary PBXs. is designed for maximum flexibility and supports protocols, and can interoperate with almost all ony equipment using relatively inexpensive

as the heart of a media gateway, bridging the anding world of IP telephony. Asterisks modular convert between a wide range of communications decs.

Digium, Inc.

Chapter 1: Overview

Asterisk as a Feature/Media Server

Need an IVR? Asterisks got you covered. How about a conference bridge? Yep. Its in there. What about an automated attendant? Asterisk does that too. How about a replacement for your aging legacy voicemail system? Can do. Unified messaging? No problem. Need a telephony interface for your web site? Ok.

Asterisk in the Call CenterAsterisk has been adopted by call centers around the world based on its flexibility. Call center aACD systems based onexisting call center soluadvanced skills-based r

Asterisk in the Netwo

Internet Telephony Serexchange carriers (CLEdiscovered the power oFeature servers, hostedcalling solutions, all baenabled flexibility.

Asterisk Everywhere

Asterisk has become thsolutions. If you need tinformation on Asteriswww.digium.com.Page 21

nd contact center developers have built complete Asterisk. Asterisk has also added new life to tions by adding remote IP agent capabilities, outing, predictive and bulk dialing, and more.

rk

vice Providers (ITSPs), competitive local CS) and even first-tier incumbents have f open source communications with Asterisk. services clusters, voicemail systems, pre-paid sed on Asterisk have helped reduce costs and

e basis for thousands of communications o communicate, Asterisk is your answer. For more k visit http://www.asterisk.org or http://

Digium, Inc.

Chapter 2 Card Installation

This chapter provides the following information: Unpacking the Card on page 23 Shipment Inspection on page 23 Identifying Communication Ports on page 24 T1/E1 Selection on page 26 Identifying Multip Connecting Timin Slot Compatibility Hardware Installa Software Installati

Note: The TE200 Sthat they will applyspecific informationPage 22

le Cards on page 26g Cables on page 27 on page 29tion on page 31on on page 32

eries card installation instructions are written so to any card in the series. Examples and card are included as needed.

Digium, Inc.

Chapter 2: Card Installation

Unpacking the CardWhen you unpack your card, carefully inspect it for any damage that may have occurred in shipment. If damage is suspected, file a claim with the carrier and contact your reseller from which the card was purchased, or contact Digium Technical Support (+1.256.428.6161). Keep the original shipping container to use for future shipment or proof of damage during shipment.

Note: Only qualified service personnel should install the card. Users should not attempt to perform this function themselves. The installer must ensure that thepluggable type B orto ensure that it is reElectrical Code.

Shipment InspectionThe following items ar TE200 Series card (Page 23

equipment is permanently connected equipment, connected to a socket-outlet that has been checked liably earthed in accordance with the National

e included in shipment of the TE200 Series:TE205P/207P/210P/212P/220/220B)

Digium, Inc.


Identifying Communication PortsThe TE200 Series cards consists of two RJ45 ports and two status LEDs. The ports are used for connecting T1, E1, or J1 cables. Refer to Figure 4 on page 24 or Figure 5 on page 25 to locate the ports and LEDs.

Ports

1

2

Status LEDsPage 24

Figure 4: TE210P Card

Ident Wheel

PCI 2.2 Connector

Jumpers

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Ports

1

2

Status LEDs

Timing PortPage 25

Figure 5: TE220 Card

Jumpers

Ident Wheel

PCI Express Connector

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T1/E1 SelectionThe card includes a row of jumpers to select either T1 or E1 mode for the spans. An example of the jumpers from the TE205 card is shown in Figure 6. The T1/E1 mode, in most cases, is set at the distributor before shipment. You may want to check the setting to be certain they are set for your specific use. With the jumper off, the span is ready for T1 mode, and with the jumper on, the span is ready for E1 mode.

F

Identifying Multiple C

If multiple TE200 SerieIdent wheel can be useclick wheel switch withdifferent number for eawhich the driver recognwheel to 0, set the secowheel is shown in FiguPage 26

igure 6: T1/E1 Jumpers

ards

s cards are installed in the same machine, then the d to control the order the cards are recognized. The the word Ident printed above it can be set to a ch installed card. This number adjusts the order in izes the card. For example: set the first card Ident nd card Ident wheel to 1, and so on. The Ident re 7.

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Figure 7: Ident Wheel

Connecting Timing CablesThe timing port allowssync (timing) source frsync source across mulmodes and some voiceslips on the second, thi

To utilize this feature, dSeries card using the Dpage 28 for an exampletimingcable=1 switch

# modprobe wct2Page 27

up to four TE200 Series cards to share the same om the T1 line provider, or provide a consistent tiple cards. This is a useful feature for data and fax applications to prevent corruption due to timing rd or fourth TE200 Series cards.

aisy-chain the P1 connector between each TE200 igium 4-position timing cable. See Figure 8 on . Enable this feature in the drivers using the when the drivers are loaded:

xxp timingcable=1

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Figu

Caution.Only qualhardware card. Nonthese funcPage 28

re 8: Timing Ports Example

ified service personnel should continue with installation and configuration of the TE200 Series -qualified personnel should not attempt to perform tions themselves.

Digium, Inc.


Slot CompatibilityCheck the type of card you received to be sure it is compatible with your PCI slot. To determine which slot you have, identify it by comparing it to those shown in Figure 9 on page 29.

Slot Number: 0: AGP Pro Slot 1: 64-bit 5.0 volt PCI Slot 2: 64-bit 3.3 volt PCI Slot 3: 32-bit 5.0 volt PCI Slot 4: PCI Express X1 S

Figu

0

1

2

3

4

SlotsPage 29

lot

re 9: Motherboard PCI Slots

Digium, Inc.


The TE205P/207P card is a 32-bit 33MHz card keyed for 5.0 volt operation and works in any PCI 2.2 (or higher) compliant slot which supports 5.0 volts. This means that in the motherboard shown in Figure 9, the TE205P/207P card will fit into Slots 1 and 3. The TE205P/207P will not fit into Slot 0 (AGP slot) or Slot 2. The TE210P/212P card is a 32-bit 33MHz card keyed for 3.3 volt operation and works in any PCI 2.2 (or higher) compliant slot which supports 3.3 volts. This means that in the motherboard shown in Figure 9, the TE210P/212P card will only fit into Slot 2. The TE210P/212P will not fit into Slots 1 or 3.

The TE220/TE220B cais a 1 lane (X1) PCI Exwork in any PCI Expreand X16. This means thTE220/TE220B will onused in Slots 1 throughPage 30

rd is a PCI Express card. Slot 4, illustrated above, press compliant slot. The TE220/TE220B will ss compliant slot, including lane lengths X4, X8, at in the motherboard shown in Figure 9, the ly fit into Slot 4. The TE220/TE220B can not be 3.

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Hardware Installation1. Now that you are acquainted with the cards, power down your

computer and unplug it from its power source. 2. Attach a static strap to your wrist and open the case. 3. Check the jumper setting to ensure it matches your equipment

configuration. Setting the jumper with the jumper strap on enables the ports for E1. Setting the jumper with the jumper strap off enables the ports for T1.

4. Remove the bracket place holder and insert the card into a PCI or PCI Express slot. See Fi

F

5. Replace the cover to6. Plug all T1 or E1 eq

Note: It is recommePage 31

gure 10 for an example of card installation.

igure 10: Insert the Card

your computer.uipment cables into the RJ45 ports as needed.

nded that you use shielded cables.

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Software InstallationDigium hardware requwith the Linux kernel. Digium recommends Cof Linux. However, maTechnical Support.

Digiums software, incobtained from Digiumhttp://downloads.digium

For an introduction to Aadditional information refer to:http://www.asterisk.org

For the latest informatifor your Digium hardwmanual which is availasection at:http://www.digium.com

Caution.This unit must be connected to the Telecommunications Network in your country using an approved line cord (e.g. for Australia use only line cords complying with ACA Technical Standard TS008).

Caution.This unit must be connected only to the appropriate Telecommunications Network port (as approved for use in your specific country). Page 32

ires drivers and libraries that are not integrated Digium hardware is only supported under Linux. entOS, Debian, Red Hat, and Ubuntu distributions ny other distributions are supported by Digium

luding drivers and application software, may be s download server at:

.com

sterisk, Digiums telephony software, including on its configuration, setup, and features, please

on on setting up and configuring DAHDI drivers are product, please refer to the latest release of this ble from the product-specific documentation

Digium, Inc.


To install your TE200 Series card, you will need: Linux 2.6 kernel headers Development libraries and headers for ncurses Development libraries and headers for zlib and openssl Development libraries and headers for newt GCC and standard software build tools

It is recommended that you use the most recent version of the Asterisk, DAHDI, and libpri software for the best results. If you have previously installed any of these, Digium recommends that you upgrade to the latest -current version of ea

Note: If you are usiAsterisk 1.4.22 or nPage 33

ch.

ng the 1.4.x series of Asterisk, you will need ewer.

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1. After the machine has booted to Linux, log in and execute the following command to list the devices detected by the PCI bus:

# lspci -n

Confirm that the output from lspci lists a device with Digiums PCI vendor ID which is d161. The screen output should be similar to the following:

0000:01:0e.0 ISDN controller: Unknown device d161:

t from lspci may or may not state Unknown s, this does not indicate a problem.

sting shown above, will be of the identifiers listed in the table below.

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Table 1: Card Identifiers

A Digium TE200 Scard identifier shoulisted, then your macompatible, and the

2. Download the latestfor the X.X in the cdownload from:http://downloads.di

# wget http://dlibpri/libpri-X

Note: There is no cAsterisk. The libpribranch.

Model Identifier

TE220BTE220TE212PTE210PTE207PTE205P

022002200210021002050205Page 35

eries (TE220B/TE220/212P/210P/207P/205P) ld be listed. If a matching card identifier is not chine is not PCI 2.2 (or higher) or PCI Express card will not work with your motherboard.

version of libpri. Substitute the version of libpri ommand line below. libpri is available for

gium.com/pub/telephony/libpri.

ownloads.digium.com/pub/telephony/.X.current.tar.gz

oorelation between the versioning of libpri and 1.4 branch will function with the Asterisk 1.6

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3. Expand the downloaded file, compile its contents, and install the libraries. Substitute the version of libpri for the X.X and X.X.X in the command lines below.

# tar -zxvf libpri-X.X-current.tar.gz# cd libpri-X.X.X/# make# make install

4. Download the latest DAHDI drivers with tools. DAHDI is available for download fromhttp://downloads.d

# wget http://ddahdi-linux-comcurrent.tar.gz

5. Expand the downlodrivers and tools. Suthe command lines

# tar -zxvf dah# cd dahdi-linu# make# make install# make config

Note: Executing mwhich will allow yoPage 36

:

igium.com/pub/telephony/dahdi-linux-complete

ownloads.digium.com/pub/telephony/plete/dahdi-linux-complete-

aded file, compile its contents, and install the bstitute the version of DAHDI for the X.X.X in

below.

di-linux-complete-current.tar.gzx-complete-X.X.X+X.X.X

ake config will install an init script and symlinks u to start and stop DAHDI as a service.

Digium, Inc.


Installing Asterisk

If you wish to use Asterisk with your new hardware, you can follow the instructions below.

1. Download the latest release version of Asterisk, either 1.4.22 (or later) or 1.6.0.1 (or later). Substitute the version of Asterisk for the X.X in the command below. Asterisk is available for download from:http://downloads.digium.com/pub/telephony/asterisk

# wget http://dasterisk/asteri

2. Expand the downloapplication. SubstituX.X.X in the comm

# tar -zxvf ast# cd asterisk-X# ./configure# make menusele# make# make installPage 37

ownloads.digium.com/pub/telephony/sk-X.X-current.tar.gz

aded file, compile its contents, and install the te the version of Asterisk for the the X.X and

and lines below.

erisk-X.X-current.tar.gz.X.X/

ct

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3. If this is the first Asterisk installation on this system, you should install the sample configuration files. To do this, run:

# make samples

Note: Running this command will overwrite, after making a backup copy, any older Asterisk configuration files that you have in the /etc/asterisk directory.

If your installation hor more of the builddevelopment tools. purchased, or call Dassistance.

Complete instructions www.asterisk.org.Page 38

as failed, it may be because you are missing one dependencies, the kernel headers, or the Please contact your reseller where the card was igium Technical Support (+1.256.428.6161) for

for installing Asterisk are available at

Digium, Inc.

Chapter 3 Configuration

The TE200 Series cards have a variety of configuration options. This chapter provides configurations for PRI, channel bank, E&M wink, and finally, data mode. These sample configurations are provided to assist you in familiarizing yourself with the flexibility of editing the configuration files to meet your specific needs. The list of possible configurations is too expansive to cover in this user manual.Page 39

Digium, Inc.

Chapter 3: Configuration

Configuring Card FeaturesYou will need to modify the chan_dahdi.conf file which is located in the /etc/asterisk directory in order to configure the essential features of your card. This file is the configuration layer between DAHDI and Asterisk.

Switchtype:national: National ISDN 2 (default)dms100: Nortel DMS1004ess: AT&T 4ESS5ess: Lucent 5ESSeuroisdn: Euni1: Olqsig: Q.

Echocancel:

Echo Cancellation is enchannel variable with aof milliseconds multipl

echocancel = ye

channel => 1-23

By default, and when sto 16 ms (128 taps). Ec

echocancel = no

Digium does not recom

Users of open source Afollowing options:

echocancel = 12Page 40

roISDNd National ISDN 1SIG

abled in chan_dahdi.conf by preceding the variable called echocancel and its length in taps (# ied by 8); for example:s

etting to "yes," echo cancellation is enabled and set ho cancellation is explicitly disabled by setting:

mend that users set echo cancellation to "no."

sterisk-based echo cancelers also have the

8 (this sets 128 taps or 16ms)

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or

echocancel = 256 (this sets 256 taps or 32ms)

Users of Digium's HPEC software have the following additional options:echocancel = 512 (this sets 512 taps or 64ms)

or

echocancel = 1024 (this sets 1024 taps or 128ms)

Please note that HPEC consumes extremely high amounts of CPU MIPS that increase as the number of taps are increased. Audio quality issues may result from choosiprocess the echo in realength or combine your

Users of Digium's VPMhave 128ms of echo cadisabled by setting the Page 41

ng a taps length greater than the server's ability to l-time. If audio quality is affected, reduce the taps TE200 Series card with Digium's VPMOCT64.

OCT64 hardware echo cancellation module will ncellation performed at all times unless explicitly echocancel variable equal to "no."

Digium, Inc.


Signalling:pri_cpe for CPE sidepri_net for NET side

If you have a T1 PRI, add these lines to the following lines of the sample file.

signalling = pri_cpeswitchtype = nationalgroup = 1context = incomingchannel => 1-23

E1 PRI signalling = p switchtype = e context = inco channel => 1-1

You can also configure signalling = f group = 1 context = phon channel => 1-2

E1 channel bank signalling = f group = 1 context = phon channel => 1-1

Note: More detailedwww.asterisk.org. Page 42

ri_cpeuroisdnming5,17-31

a T1 channel bank of phonesxo_ks

es4

xo_ks

es5,17-31

troubleshooting information is provided on http://

Digium, Inc.


Configuring T1/E1 Lines

1. Begin by opening the system.conf file from the /etc/dahdi directory.

2. Specify the two letter country code for your loadzone and defaultzone. This will preload tone zone data and specify a default tone zone for your interfaces.

The following is a typical setup for a telco in the US:loadzone = usdefaultzone = u

3. Configure the SPANFor each T1/E1 youSPAN map includesframing, and codingexplained in this sec

span => ,,

Number: This is the port the Tspan from the PCI bPage 43

s

Map. are using, you will need to define a span. The defining the SPAN number, timing, line build out, . Configuration details for each of these items is tion.

>,,

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Timing: This determines how timing is handled by the card.

0 - Card provides its own timing1 - Receives timing from remote end2 - Receives secondary backup timing from remote end3 - Receives tertiary backup timing from remote end4 - Receives quaternary backup timing from remote end

Only one span can bthe rest of the cards

Line Build Out:For most setups the

0: 0 db (CSU) / 0-11: 133-266 feet (DS2: 266-399 feet (DS3: 399-533 feet (DS4: 533-655 feet (DS5: -7.5db (CSU)6: -15db (CSU)7: -22.5db (CSU)

Framing:T1 utilizes framing Page 44

e defined to take timing, and it defines timing for spans.

line build out is 0.

33 feet (DSX-1)X-1)X-1)X-1)X-1)

set for D4 (SF) or ESF. E1 utilizes CAS or CCS.

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Coding:T1 coding can be AMI or B8ZS. E1 coding can be AMI or HDB3. E1 can also have the extra flag CRC4 at the end for CRC4 checking.

Yellow:The optional yellow flag can be added at the end for transmitting a yellow alarm when no channels are open.

The following is a typical setup for a telco in the US:span => 1,1,0,e

In Europe:span => 1,1,0,c

4. Specify the channel =

es are specified in the sample system.conf file.

ypical setup for a T1 PRI in the US:

ar echo cancellers that are configured per channel. are compiled and installed as part of the dahdi-can specify the echo canceller to be used for each t behavior is for there to be no echo canceller on

Digium, Inc.


any channel. So, it is very important that you specify one in the system.conf file if you do not have hardware echo cancellers and need echo cancellation. The format is:echocanceller = ,

A list of valid echo cancellers are specified in the sample system.conf file.

The following is a typical setup for a T1 PRI in the US using software-based echo cancellation:echocanceller =Page 46

mg2,1-23

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First Example: Channel Bank

The Channel Bank in this example has 24 FXS ports. In this configuration, the system.conf is set for the card to provide timing to the channel bank and fxoks is set for 24 stations.

Set chan_dahdi.conf to mirror the configuration with signalling = fxo_ks and define it for channels 1-24.

/etc/dahdi/system.conf:loadzone = usdefaultzone = uspan = 1,0,0,esfxoks = 1-24echocanceller =

/etc/asterisk/cgroup = 1echocancel = yecontext = channsignalling = fxchannel = 1-24Page 47

sf,b8zs

mg2,1-24

han_dahdi.conf:

selbanko_ks

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Second Example: E&M Line

In the E&M Line configuration, the system.conf is set for the card to take timing from the telco on E&M with wink while chan_dahdi.conf mirrors the configuration. Feat_D is a type of E&M with wink that accepts DID, but there are many E&M options; E&M_W, E&M, Feat_B, etc.

/etc/dahdi/system.conf:loadzone = usdefaultzone = uspan = 1,1,0,ese&m = 1-24echocanceller =

/etc/asterisk/cgroup = 1echocancel = yecontext = incomsignalling = fechannel = 1-24Page 48

sf,b8zs

mg2,1-24

han_dahdi.conf:

singat_d

Digium, Inc.


Third Example: PRI

By configuring the card for a T1 PRI line in system.conf, you acquire 23 bearer (B) channels for voice on the first 23 channels, and 1 delta (D) channel for signalling information on the 24th channel. In the chan_dahdi.conf file, define pri_cpe as the signalling type to act as the client side. Define the switch type you are connecting to as national. You will then have 23 voice channels for Asterisk.

PRI T1:/etc/dahdi/systloadzone = usdefaultzone = uspan = 1,1,0,esbchan = 1-23dchan = 24echocanceller =

/etc/asterisk/cgroup = 1echocancel = yesignalling = prswitchtype = nacontext = incomchannel = 1-23Page 49

em.conf:

sf,b8zs

mg2,1-23

han_dahdi.conf:

si_cpetionaling

Digium, Inc.


PRI E1:/etc/dahdi/system.conf:loadzone = esdefaultzone = esspan = 1,1,0,ccs,hdbbchan = 1-15,17-31dchan = 16echocanceller = mg2,1-15,17-31

/etc/asterisk/chan_dahdi.conf:group = 1echocancel = yesignalling = prswitchtype = eucontext = incomchannel = 1-15,Page 50

si_cperoisdning17-31

Digium, Inc.


Fourth Example: Data Mode

Data mode is a little different than the other options. The system.conf is configured as follows:

loadzone = usdefaultzone = usspan = 1,0,0,esf,b8zsnethdlc = 1-24

Instructions for Cisco

1. Compile the Linux kernel menuconfig

Device Drivers ---> [*] Network dev [*] Wan inter Gene C

Note: Digium recomThe HDLC implemmay not be reliable

2. Install the newly coPage 51

HDLC:

kernel with Cisco HDLC support. The Linux menu may look similar to the following:

ice support --->faces support --->ric HDLC supportisco HDLC support

mends using Linux kernel version 2.6.8 or later. entation in Linux kernel versions prior to 2.6.8 or function at all.

mpiled Linux kernel.

Digium, Inc.


3. Reboot into the new Linux kernel.

4. Uncomment the following line in linux/drivers/dahdi/dahdi_config.h of the DAHDI complete source package:

#define CONFIG_DAHDI_NET

5. Rebuild DAHDI in order to compile the sethdlc utility. Then execute the following commands from the DAHDI complete source directory:

# make sethdlc# make install

6. Load and configure

# modprobe wct4# dahdi_cfg

7. Use sethdlc to brin

# sethdlc hdlc0

8. Assign the interface

# ifconfig hdlc

9. The interface may b(i.e., eth0) in LinuxPage 52

the driver:

xxp

g up the interface:

cisco

an address:

0 192.168.0.1 netmask 255.255.255.0

e addressed as any other networking interface .

Digium, Inc.


Testing Your Configuration1. Load DAHDI drivers into the kernel using the modprobe utility. The

appropriate driver for the TE200 Series cards is wct4xxp. Users in all countries except Australia should use the following modprobe command:

# modprobe wct4xxp# dahdi_cfg -vv# dmesgPage 53

Digium, Inc.


Figur

Note: Output as shoSeries card you use

2. Run dahdi_tool frogreen for each span

# dahdi_toolPage 54

e 11: Example dmesg Output

wn above may vary depending on the TE200 .

m the command line and see if the span turns you have connected.

Digium, Inc.


3. Execute the following Asterisk command to see if the span came up successfully.

# asterisk# asterisk -vvvrPage 55

Digium, Inc.

Chapter 4 Troubleshooting

This chapter provides frequently asked questions as identified from Digium Technical Support and possible resolutions. Multiple resources are available to obtain more information about Asterisk and Digium products. These resources are listed on page 62.

What do the Status L Green - Card is in-s Yellow - Card is syn

end. Use a softwareof the state of the ca

Red - Card is not se

I can't receive DID caextensions.conf.

Your telco might be sen

1. Check the method bcontext:_X.,1,NoOp(My DPage 56

ED colors indicate? ync with the far end.chronizing or is receiving a red alarm from the far

tool such as dahdi_tool to get a textual description rd.eing far end, circuit is not up, or cable is bad.

lls even though I have it enabled in

ding calls with a method you are not expecting.

eing used by attempting the following in your line

ID matches as ${EXTEN})

Digium, Inc.

Chapter 4: Troubleshooting

2. Then type reload in the Asterisk console and call in. You should see the DID come in on your T1/E1 line.

My D Channel seems to go up and down.

Check to be sure you have set your timing parameters correctly. Also, check the common causes of problems for a T1. See the Common Fixes for all cards, page 60.

I have trouble dialing(local, long distance, iCheck your pridialplanmethod your telco is ex

I am having trouble r

Try the other types of Etelco is using to stream

I am having issues wiacross my D channel?

Enter the following com*CLI> PRI debug

where X is the port froshow you the PRI messPage 57

out. It seems that one type of dialing works nternational), but another does not. variable and verify that you are dialing using the pecting.

eceiving DID information over E&M. &M (featd, featb, etc.) to match the method your

information.

th my PRI. How can I see the messages coming

mand: span X

m which you are connected. This command will ages coming across your D channel for that span.

Digium, Inc.


I am still having problems and the telco tells me it is my equipment.

The first thing to do in this situation is to test your equipment.

1. Plug in a loopback cable. (A loopback cable is a cable that has pin 1 going to pin 4 and pin 2 going to pin 5.) Plug the cable into the span and wait for its LED to turn green.

2. Stop Asterisk and edit system.conf by removing the lines defined for your card and replaspan => 1,0,0,eclear = 1-24

Or if you have an Espan => 1,0,0,cclear = 1-31Page 58

cing them with the following:sf,b8zs

1 span:cs,hdb3

Digium, Inc.


3. Navigate to the tools/ directory in your DAHDI complete source directory and type:

# make tests

Followed by:

# ./patlooptest /dev/dahdi/1 60

The first argument in the patlooptest command is the device for the channel number youchannel of a span. Trun the test.

This runs a pattern lit is possible you haTechnical Support (

How can I enable mor

To view all of the optiofollowing commands f

*CLI> core show*CLI> core show

Digium also offers servneed. Contact Digium information.Page 59

want to test. You should always test the first he second argument is the duration in seconds to

ooptest for 60 seconds. If you receive any failures, ve a bad card and will need to call Digium +1.256.428.6161)

e features?

ns available to add to your dial plan, type the rom within Asterisk: applications functions

ices to help configure and add features you might Technical Support (+1.256.428.6161) for more

Digium, Inc.


Common Fixes for all cards

1. Check to see if the X Window System (e.g. X.Org Server) is running by entering the following:

# ps aux | grep X

If the X Window System is running, stop the application since it may cause a conflict with Asterisk.

2. Check to see if yourlevels set. Advanceinterface.

Check the current mhdparm -vi /dev

Use this command thdparm -d 1 -X

If you are still havincard was purchased

Use hdparmcorruption review the mthe risks bePage 60

PATA IDE hard drives are running with DMA user can perform an hdparm on your hard drive

ode using this command:/[IDE Device]

o set the drives into UDMA2 mode:udma2 -c 3 /dev/[IDE Device]

g problems, contact your reseller from which the , or Digium Technical Support (+1.256.428.6161).

with caution as the man page states that hard drive can occur when using incorrect settings. Please an page for hdparm and make sure you understand

fore using this tool.

Digium, Inc.


Where can I find answers to additional questions?

There are several places to inquire for more information about Asterisk Digium products:1. Digium Technical Support (+1.256.428.6161), or Toll Free in the U.S.

(1.877.344.4861), is available 7am-8pm Central Time (GMT -6), Monday - Friday.

2. Asterisk users mailing list (asterisk.org/lists.digium.com).3. IRC channel #asterisk on (irc.freenode.net).

Subscription ServicesDigium is dedicated totechnical support throuthis program, you can bhave access to the Astebe obtained from your referral to your [email protected]. Page 61

Program

supporting your Asterisk system by offering full gh our Subscription Services Program. Through e at ease knowing that your business will always

risk experts. Pricing on Subscription Services may nearest reseller or you may call Digium Sales for reseller at +1.256.428.6000 or e-mail


Appendix A Pin Assignments

Both ports on the TE200 Series card bracket are 8-pin RJ45 ports. The pin assignments are identified in Table A-1.

Table A-1: RJ45 Telco Port Connector

Pin Description

1 Rx

2 Rx

3 Not used

4 Tx

5 Tx

6 Not used

7 Not used

8 Not used

Pin 8

Pin 1

Digium, Inc.

Appendix B Specifications

This appendix provides specifications, required environmental conditions, and maximum power consumption for the TE200 Series cards.

Physical (All Cards). Size: 5 3.7

PCB sizWeight: 3.5 oz (1

Interfaces. Local Loop Access: E(TE205P/207P/210P/length slot minimumwith PCI 2.2 or great(TE220) - PCI-E X1,

Environment. Temperature: 0 to 50

-20 to 6Humidity: 10 to 90Page 63

5 0.63 (12.7 x 9.53 x 1.6 cm)e, does not include the PCI bracket00gm) - Without Echo Cancellation Module

1, T1, J1, PRI; RJ45212P) - PCI Bus: 3.3V or 5V bus slot, half- size, 33MHz minimum bus speed, compliant er.

compliant with PCI-E X1 1.0 or greater.

C (32 to 122 F) operation5 C (4 to 149 F) storage% non-condensing

Digium, Inc.

Appendix B: Specifications

Hardware and Software Requirements. 800-Mhz Pentium III or better64MB RAMAvailable PCI (TE205P/207P/210P/212P) or PCI-E (TE220) Slot

Table B-2: Maximum Power Consumption

Model Power

TE220B3.3V

TE2203.3V

TE212P3.3V5V

TE210P3.3V5V

TE207P3.3V5V

TE205P3.3V5VPage 64

4.0 Watts

2.0 Watts

2.5 Watts0.5 Watts

1.5 Watts0 Watts

2.5 Watts0.5 Watts

1.5 Watts0 Watts

Digium, Inc.

Appendix CGlossary and Acronyms

ANSI American National Standards Institute

An organization which proposes and establishes standards for international communications.

asynchronous

Not synchronized; not controlled by start bits character. Asynchronouaccess and remote offic

attenuation

The dissipation of a tra

bandwidth

The capacity to carry trtransfer more data in a

bit

The smallest element oeither a zero or a one.

bps bits per seco

A measurement of tranPage 65

timed to an outside clock source. Transmission is at the beginning and stop bits at the end of each s communications are often found in internet e applications.

nsmitted signals power as it travels over a wire.

affic. Higher bandwidth indicates the ability to given time period.

f information in a digital system. A bit can be

nd

smission speed across a data connection.

Digium, Inc.

Appendix C Glossary and Acronyms

broadband

Broadband transmission shares the bandwidth of a particular medium (copper or fiber optic) to integrate multiple signals. The channels take up different frequencies on the cable, integrating voice, data, and video over one line.

channel

A generic term for an individual data stream. Service providers can use multiplexing techniques to transmit multiple channels over a common medium.

Cat5

Category of Performanapplications up to 100

Cat5ECategory of Performanwiring supports signal specifications.

CLEC competitive lo

A term for telephone cTelecommunications Awith ILECs to offer locPage 66

ce for wiring and cabling. Cat 5 cabling support MHz.

ce for wiring and cabling. Category 5 Enhanced rates up to 100 MHz but adheres to stricter quality

cal exchange carrier

ompanies established after the ct of 1996 deregulated the LECs. CLECs compete al service. See also LEC and ILEC.

Digium, Inc.


CO central office

The CO houses local switching equipment. All local access lines in a particular geographic area terminate at this facility (which is usually owned and operated by an ILEC).

CPE customer premises equipmentTerminal equipment which is connected to the telecommunications network and which resides within the home or office of the customer. This includes telephones, modems, terminals, routers, and television set-top boxes.

DAHDI Digium Aster

A telephony project deaffordable computer telthe collective name fortelephony interface pro

DS0 Digital Signal

A voice grade channel digitizing voice conver

DS1 Digital Signal1.544 Mbps in North Achannels (DS0s), 2.048(DS0s). DS1/T1/E1 linPage 67

isk Hardware Device Interface

dicated to implementing a reasonable and ephony platform into the world marketplace. Also, the Digium-provided drivers for Digium ducts.

, Level 0

of 64 Kbps. The worldwide standard speed for sation using PCM (Pulse Code Modulation).

, Level 1

merica (T1) and Japan (J1) -up to 24 voice Mbps in Europe (E1) - up to 32 voice channels es are part of the PSTN.

Digium, Inc.


DS3 Digital Signal, Level 3

T3 in North America and Japan, E3 in Europe. Up to 672 voice channels (DS0s). DS3/T3/E3 lines are not part of the PSTN

DTMF Dual Tone Multi-Frequency

Push-button or touch tone dialing.

E1

The European equivalent of North American T1, transmits data at 2.048 Mbps, up to 32 voice c

E3

The European equivaleMbps, up to 512 voice

EMI Electromagn

Unwanted electrical no

full duplex

Data transmission in tw

FXO Foreign ExchReceives the ringing vo

FXS Foreign Exch

Initiates and sends ringPage 68

hannels (DS0s).

nt of North American T3, transmits data at 34.368 channels (DS0s). Equivalent to 16 E1 lines.

etic Interference

ise present on a power line

o directions simultaneously.

ange Officeltage from an FXS device.

ange Station

ing voltage.

Digium, Inc.


G.711

A recommendation by the Telecommunication Standardization Sector (ITU-T) for an algorithm designed to transmit and receive mulaw PCM voice and A-law at a digital bit rate of 64 Kbps. This algorithm is used for digital telephone sets on digital PBX.

G.723.1

A recommendation by the Telecommunication Standardization Sector (ITU-T) for an algorithm designed to transmit and receive audio over telephone lines at 6.3 Kbps or 5.3 Kbps.

G.729a

A recommendation by (ITU-T) for an algorithtelephone lines at 8 Kb

H.323

A recommendation by (ITU-T) for multimedi

IAX Inter-Asterisk

The native VoIP protocenable VoIP connectionand clients that also usPage 69

the Telecommunication Standardization Sector m designed to transmit and receive audio over ps.

the Telecommunication Standardization Sector a communications over packet-based networks.

eXchange

ol used by Asterisk. It is an IETF standard used to s between Asterisk servers, and between servers

e the IAX protocol.

Digium, Inc.


iLBC internet Low Bitrate Codec

A free speech codec used for voice over IP. It is designed for narrow band speech with a payload bitrate of 13.33 kbps (frame length = 30ms) and 15.2 kbps (frame length = 20 ms).

ILEC incumbent local exchange carrierThe LECs that were the original carriers in the market prior to the entry of competition and therefore have the dominant position in the market.

interface

A point of contact betw

ISO International

LED light-emitting

Linux

A robust, feature-packethat remains freely avaoffers a wide range of cis supported exclusivel

loopback

A state in which the tratypically by a far end nPage 70

een two systems, networks, or devices.

Standards Organization

diode

d open source operating system based on Unix ilable on the internet. It boasts dependability and ompatibility with hardware and software. Asterisk y on Linux.

nsmit signal is reversed back as the receive signal, etwork element.

Digium, Inc.


MGCP Media Gateway Control Protocol

multiplexingTransmitting multiple signals over a single line or channel. FDM (frequency division multiplexing) and TDM (time division multiplexing) are the two most common methods. FDM separates signals by dividing the data onto different carrier frequencies, and TDM separates signals by interleaving bits one after the other.

MUX multiplexer

A device which transmline or channel. See mu

PBX private branc

A smaller version of a Example: Asterisk.

PCI peripheral coA standard bus used in

POP point of prese

The physical connectionetwork. A POP is usuCO to a network servic

POTS plain old tele

Standard phone service(PSTN). This service pPage 71

its multiple signals over a single communications ltiplexing.

h exchange

phone companys large central switching office.

mponent interconnect

most computers to connect peripheral devices.

nce

n point between a network and a telephone ally a network node serving as the equivalent of a e provider or an interexchange carrier.

phone service

over the public switched telephone network rovides analog bandwidth of less than 4 kHz.

Digium, Inc.


PPP point-to-point protocol

Type of communications link that connects a single device to another single device, such as a remote terminal to a host computer.

PSTN public switched telephone network

The public switched telephone network (PSTN) is the network of the world's public circuit-switched telephone networks. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital, and now includes mobile as well as fixed telephones.

QoS quality of serA measure of telephonCommission.

RJ11

A six-pin jack typicallymachines in residentialtelephone CO.

SIP Session Initia

An IETF standard for sis currently the leadingreplacing H.323.

T1

A dedicated digital carchannels (DS0s) and trcarry traffic to and fromPage 72

vice

e service, as specified by the Public Service

used for connecting telephones, modems, and fax and business settings to PBX or the local

tion Protocol

etting up sessions between one or more clients. It signaling protocol for Voice over IP, gradually

rier facility which transmits up to 24 voice ansmits data at 1.544 Mbps. Commonly used to

private business networks and ISPs.

Digium, Inc.


T3

A dedicated digital carrier facility which consists of 28 T1 lines and transmits data at 44.736 Mbps. Equivalent to 672 voice channels (DS0s).

TDM time division multiplexer

A device that supports simultaneous transmission of multiple data streams into a single high-speed data stream. TDM separates signals by interleaving bits one after the other.

telco

A generic name which world, including RBOC

tip and ringThe standard terminatinamed after the physic

twisted pairTwo copper wires comcommunications. The wminimize radio frequenthe same bundle.

V volts

VoIP Voice over IP

Technology used for trthe Internet Protocol.Page 73

refers to the telephone companies throughout the s, LECs, and PTTs.

on on the two conductors of a telephone circuit; al appearance of the contact areas on the jack plug.

monly used for telephony and data ires are wrapped loosely around each other to cy interference or interference from other pairs in

ansmitting voice traffic over a data network using

Chapter 1 OverviewEcho-CancellationWhat is Asterisk?Asterisk as a Switch (PBX)Asterisk as a GatewayAsterisk in the Call CenterAsterisk in the NetworkAsterisk Everywhere

Chapter 2 Card InstallationUnpacking the CardShipment InspectionIdentifying Communication PortsT1/E1 SelectionIdentifying Multiple CardsConnecting Timing CablesSlot CompatibilityHardware InstallationSoftware InstallationInstalling Asterisk

Chapter 3 ConfigurationConfiguring Card FeaturesConfiguring T1/E1 LinesTesting Your Configuration

Chapter 4 TroubleshootingAppendix A Pin AssignmentsAppendix B SpecificationsAppendix C Glossary and Acronyms

Documents

Digium Te200 Series User Manual