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NECITR-YTC ART-FEB/04-01

PASOLINK INTRODUCTION

PLUS

NEC International Training, Ltd.Yokohama Training Center

PASOLINK FAMILYSERIES/MODEL SYSTEM MODULATION INTERFACE

NECITR-YTC ART-FEB/04-01

4/6GHz 7/8GHz 11GHz 13GHz 15GHz 18GHz 23GHz 26GHz 38GHz3.6-7.1 7.1-8.5 10.7-11.7 12.7-13.2 14.2-15.3 17.7-19.7 21.2-23.6 24.2-27 37-40

PASOLINK V3

PDH

4PSK

2x2MB 4x2MB 8x2MB 16x2MB 1x8MB 1x34MB 2x2MB 4x2MB 8x2MB 16x2MB (2x10/100Base-T) 8x2MB 16x2MB 1 x 34MB

PASOLINK V4

PDH

4PSK

PASOLINK+

PDH

16QAM + RS

SDH (STM-0) SDH (STM-1) SDH (STM-1) XPIC

32QAM+RS 32QAM +RS 128QAM+RS

21x2MB (STM-1) STM-1 2x10/100Base-T STM-1 2x10/100Base-T

SDH 128QAM+RS STM-1 (2xSTM-1) 2x10/100Base-T

PASOLINK PLUS INTRODUCTION - STM1

2

FEATURESADVANCED TECHNOLOGIES AND SUPERB PERFORMANCE Single chip modulator/ demodulator (Full digital)

NECITR-YTC ART-FEB/04-01

MIC, MMIC, HIC and VLSI all solid state circuitry from data input to RF input

Square-root Nyquist Roll-off shaping filter High reliability Low power consumption HIGH SYSTEM GAIN With PASOLINK PDH (QPSK) and PASOLINK PLUS SDH (32QAM ) Multi-Level Coding Modulation (MLCM) used to ensure better error performance Forward Error Correction (FEC) with Reed Solomon coding. Allows smaller antennas and reducing system cost FREQUENCY AGILITY AND EASY TUNING Field tunable local oscillators (Synthesizer) Changing RF point frequency without changing modules or measuring equipment CONFORMITY WITH ITU-R, ITU-T AND ETSI STANDARDSPASOLINK PLUS INTRODUCTION - STM1 3

FEATURESEASY AND QUICK INSTALLATION Very compact and light Only one coaxial cable interconnection Different mounting methods for IDU, ODU and Antenna Easy antenna pointing adjustments (RX level monitor point in ODU) TX POWER CONTROL Automatic Transmit Power Control (ATPC) Manual Transmit Power Control (MTPC) SYSTEM FLEXIBILITY (1 + 0 ) unprotected (1+1) Hot standby or Twin path Space and frequency diversity

NECITR-YTC ART-FEB/04-01

Common IDU for different RF frequencies (6/7/8/13/15/18/23/26/38 GHz) Wide input line voltage (20 to 60) V DCPASOLINK PLUS INTRODUCTION - STM1 4

FEATURESEASY MAINTENANCE FACILITIES Full front panel access for all cabling and user interfaces IF, Near End Base-Band and Far End Base-band Loop back facilities

NECITR-YTC ART-FEB/04-01

Remote monitoring of ODU operating condition from IDU OW calling facility between IDU - ODU, IDU IDU and ODU-ODU Local and remote supervision function on IDU Local monitor and maintenance using Local Craft Terminal (LCT) MULTIPLE SERVICE CHANNELS Engineering Order Wire (OW) Digital Service Channels - Two Analog Service Channels- Two 10 Base T : One channel optional wayside : 2.048/1.544 Mbps ,one channel (option for 32 QAM /128QAM Enhanced Ver. ) NMS Service Channel for Pasolink Monitoring Cluster ALM ELECTRO MAGNETIC COMPATIBILITY (EMC) Complies with ETS 300385 Class BPASOLINK PLUS INTRODUCTION - STM1 5

FEATURESPASOLINK NETWORK MANAGEMENT SYSTEM (PNMS) (OPTION) User friendly operation Uses Windows NT/2000 to ensure easy operation and maintainability Remote access and control of any PASOLINK Terminal in the network Link oriented monitor and control ( both side of a microwave link) Multi level security Event Logging ITU-T G.826 Performance Monitor (Table /graph presentation) SNMP Interface (Option) Real-time monitor of Network Elements (NE) PASOLINK NETWORK MANAGEMENT TERMINAL (PNMT) (OPTION) User friendly operation as maintenance terminal Link oriented monitor and control

NECITR-YTC ART-FEB/04-01

Uses Windows XP/2000/NT/98/95 with mobile PCPASOLINK PLUS INTRODUCTION - STM1 6

System Composition1- Indoor unit (IDU) ( Modulation-Demodulation unit) 2- Outdoor unit (ODU) ( Transmit Receive unit) 3- IF cable and connectors ( To connect the IDU & ODU) 4- Antenna on the required microwave band 5- Hybrid ( coupler ) in case of 1+1 one antenna configuration 6- RF cable ( If the ODU is not direct mounted to the antenna)ODU (High band)TX/RX RF ODU (low band) TX RX Antenna IF RX TX/RX TX Antenna IF RF

NECITR-YTC ART-FEB/04-01

MODEM IDU

Base Band STM-1

MODEM IDU

Base Band STM-1

PASOLINK PLUS INTRODUCTION - STM1

7

Equipment

NECITR-YTC ART-FEB/04-01

PASOLINK PLUS INTRODUCTION - STM1

8

PASOLINKPLUS STM-1 (1+1) SYSTEM

NECITR-YTC ART-FEB/04-01

PASOLINK PLUS INTRODUCTION - STM1

9

1+1 switch

NECITR-YTC ART-FEB/04-01

PASOLINK PLUS INTRODUCTION - STM1

10

OUT DOOR UNIT (11 to 38 Ghz)

NECITR-YTC ART-FEB/04-01

WG OUTPUT ( Interface with the antenna ) ODU IDU CONNECTOR ( Ntype connector)OW/RX LEV CONNECTOR

PASOLINK PLUS INTRODUCTION - STM1

11

ODU 6/7/8 GHz

NECITR-YTC ART-FEB/04-01

RF IN/OUT SMA CONNECTOR (COAXIAL) IFL - IF IN/OUT N- type CONNECTOR (COAXIAL) RX LEV MON OW CONNECTOR

PASOLINK PLUS INTRODUCTION - STM1

12

ODU composition

NECITR-YTC ART-FEB/04-01

PASOLINK PLUS INTRODUCTION - STM1

13

Rxlevel and Rx voltage

NECITR-YTC ART-FEB/04-01

PASOLINK PLUS INTRODUCTION - STM1

14

System ConfigurationA- Non protected system (I+0)TX IDU ( 1+0 ) ODU RX RX TX ODU

NECITR-YTC ART-FEB/04-01

IDU ( 1+0 )

B- Protected system (1+1) hot standby Single antenna configurationTX/RX ODU-1 Modem-1 Switch Modem-2 TX Rx only ODU-2 H RX TX RX H TX/RX ODU-1 Rx only ODU-2 Modem-1 Switch Modem-2

PASOLINK PLUS INTRODUCTION - STM1

15

System ConfigurationC- Protected system (1+1) hot standby Space diversity Double antenna configurationTX/RX ODU-1 Modem-1 Switch Modem-2 TX Rx only ODU-2 RX RX RX RX TX TX/RX ODU-1 Rx only ODU-2

NECITR-YTC ART-FEB/04-01

Modem-1 Switch Modem-2

D- Protected system (1+1) Twin path Frequency diversityTX/RX RX TX TX/RX ODU-1 TX\Rx ODU-2 RX TX16

ODU-1Modem-1 Switch Modem-2 TX TX\Rx TX ODU-2 RX RX

Modem-1 Switch Modem-2

PASOLINK PLUS INTRODUCTION - STM1

ODU PERFORMANCEITEMFrequency Range [GHz] TX Output Power (dBm) STM-1 (128 QAM)

NECITR-YTC ART-FEB/04-01

6/7/8 GHz5.9-8.5

11 GHz10.7-11.7

13 GHz12.7513.25 16.5

15 GHz

18 GHz

23 GHz21.2-23.6

26 GHz24.5-26.5

38GHz37-40 GHz 10.5

14.5-15.35 17.7-19.7

+25

16.5

16.5

15.0

15

14.0

Receiver Threshold (dBm) at 10-6 BER STM-1 (128 QAM)

-68.0

-67.0

-67.0

-67.5

-67.5

-67.5

-67.0

-66.0

Receiver Threshold (dBm) at 10-3 BER STM-1 (128 QAM)

-69.0

-68.0

-68.0

-68.5

-68.5

-68.5

-68.0

-67.0

System Gain at 10-6 BER STM-1 (128 QAM)

93.0

83.5

83.5

84.0

82.5

82.5

81.0

76.5

System Gain at 10-3 BER STM-1 (128 QAM)

94.0

84.5

84.5

85.0

83.5

83.5

82.0

77.5

.PASOLINK PLUS INTRODUCTION - STM1 17

PERFORMANCEITEM Frequency Range [GHz] Channel Spacing (MHz) STM-1 Narrow Band 6/7/8 GHz 5.9-8.5 11 GHz 10.7-11.7 13 GHz 12.7513.25 15 GHz 14.515.35 17.719.7 21.223.6 27.5 ( 28 )

NECITR-YTC ART-FEB/04-01

18 GHz 23 GHz 26 GHz 24.526.5

38GHz 37-40 GHz

Frequency stabilityATPC and MTPC Range Tuning Bandwidth Ambient Temperature Range EMC Power Supply (48 V ) Typical Power Consumption Center Tuned

10 ppm (0.001%)128 QAM: -20 to 0 dB in 1 dB steps Up to 50 MHz Depends on T-R spacing Up to 370 MHz (Depends on TX - RX spacing)

-33OC to + 50OC Conforms to ETS300 385 Class B 36 to 60 VDC ( 24V option) (1+0) system : 6-8 GHz 65W, 11-38 GHz 55W , (1+1) system : 6-8 GHz 130W, 11-38 GHz 110W

.PASOLINK PLUS INTRODUCTION - STM1 18

IDU PerformanceITEM Modulation Symbol Frequency Narrowband STM-1/OC3 128QAM 24.236883 MHz

NECITR-YTC ART-FEB/04-01

DemodulationForward Error Correction Additional Attenuation Data Interface SOH Termination BB Loopback IF Loopback

Coherent detectionReed-Solomon Coding 5 dB for span equalization Electrical / Optical / LAN RST Mode Far End / Near End Local onlyPASOLINK PLUS INTRODUCTION - STM1 19

STM-1 PERFORMANCEINTERFACESITEM STM-1 electrical Type STM-1 Optical Type STM-1 Optical Type ( Mono Fiber) STM-1/OC3 ITU T G.703 155.520 Mbit/s (CMI), 1 VP-P 75 ohms unbalanced ITU T G.957: S-1.1 155.520 Mbit/s (NRZ), (Intra Office) wave length 1310 nm, 155.520 Mbit/s, (NRZ), TX wave length : A:1310 nm , B: 1550 nm RX wave length : A:1550 nm, B: 1310 nm Mean optical output power: -7 dBm Minimum Receive overload power : -3 dBm Minimum Receive Sensitivity : -23 dBm

NECITR-YTC ART-FEB/04-01

Narrowband STM-1/OC3

Wayside Interface (WS) (Option) Not available on 128 QAM.

1 Channel 1.544 Mbps 2.048 Mbps 3.0VO-P (100ohms bal) 2.37VO-P(75ohms unbal) 3.0VO-P(120ohms bal) B8ZS or AMI HDB3 10-Base T, RJ 45 Connector @ WS Rate

WS OPTION IS ALSO AVAILABLE ON STM-1, 128 QAM (ENHANCED VERSION)

LAN Interface (option) Digital Service Channel (DSC) Voice Frequency Service Channel (VF) Housekeeping Alarms / Control IDU ODU connection (IFL)

64Kbps (WS Rate in Enhanced Version)

2 Channels , (V11 contra / co-directional) selectable, 64 Kbps, 100 ohms 2 Channels, 4 wire, (0.3 to 4KHz) -6 dBm (nominal), 600 ohms balanced Input (Alarms) 6 photo coupler Output (Control) 4 Form-C dry contact relays Single coaxial cable , 50ohms 300m (8D-FB type cable), 350m (10D-FB type cable), 450m (12D-FB type cable)

PASOLINK PLUS INTRODUCTION - STM1

20

IDU BLOCK & LEVEL DIAGRAMDATA SPEED LEV G7898A OPT INTFC LEV G7899 OPT INTFC 150M INTFC 155.520 Mbps -8 to -28 dBm -3 to -23dBm 1.0 VP-P 75 Ohms Unbalanced 155.520 Mbps -8 to -15 dBm -7 dBm 1.0 VP-P 75 Ohms Unbalanced FREQUENCY LEVEL IMPEDANCE 340 MHz -2 to 29 dBm

NECITR-YTC ART-FEB/04-01140 MHz -15 to -55 dBm

50 Ohms Unbalanced

Single Coaxial Cable

LAN INTFC 10/100 Base-T150M INTFC STM-1 IN

MODEM No.1

ODU INTFC No.1 IF IN/OUT

OROPT INTFC

STM-1 OUT

OR 10/100Base-T MODEM No.2 EOW Way side 10 BASE-T WAYSIDE INTFC LAN CARD ODU INTFC No.2 IF IN/OUT

CONTROL

150m (5D-FB) 300m (8D-FB) 350m (10D-FB) 450m (12D-FB)

WAY SIDE IN/ OUT DATA SPEED LEVEL IMPEDANCE 1.544 Mbps / 2.048 Mbps 3.0 V0-P/ 2.37VO-P / 3.0 VO-P 100 Ohms, Balanced/75 ohms unbalanced / 120 ohms balanced PNMT EOW2 E0W1 LCT NE1 RS-422-64K FREQUENCY LEVEL IMPEDANCE 0.3 to3.4 KHz -6 dBm 0.3 to3.4 KHz -6 dBm 600 Ohms NE2 PNMS V11 V.11 PNMS LAN 10 BASE-T 100 Ohms RS-485 100 Ohms 100 Ohms

INTERFACERS-232C RS-232C

IMPEDANCE

PASOLINK PLUS INTRODUCTION - STM1

21

INDICATORS/SWITCHES/CONTROLS (1+1)No 1 Power indicator Light When power switch is ON

NECITR-YTC ART-FEB/04-01

MAINT LED Maintenance Mode ON Loopback control ON CW mode ON TX Power Mute ON ALS MANUAL RESTART ATPC MANUAL CONTROLPWR SW Turns input DC power ON/OFF

ODU1 and ODU2 ALM LED Transmit RF power decrease by 3 to 6 dB from nominal Receiver level goes below squelch level ODU local oscillator APC loop unlock IF signal from the IDU is lowIDU1 and IDU2 ALM LED Input STM-1 Signal lost (from MUX ) -Main INTFC Input STM-1 Frame Sync lost (from MUX)- Main INTFC Service Channel Input Signal Lost - Modem E-BER worse than preset value (10 -3 to 10-5) - Main INTFC BER-SD worse tha preset value (10 -5 to 10-9) - Main INTFC Input STM-1 Frame Sync lost from Radio - Modem E-BER from Radio worse than preset value (10 -3 to 10-5) Main INTFC BER-SD from Radio worse than preset value (10 -3 to 10-5) Main INTFC CPU of MD Unit failure - Modem RX side alarms include unit failure and IF input loss - Modem TX side alarms includes unit failure - Modem BER alarm (10-4 to 10-6 selectable) - Modem DC-DC CONV unit failure - DC-DC CONV LAN CARD / WS INTFC Module failure - LAN /WS INTFC Main INTFC Module failure - 150M INTFC/OPT INTFC

R SW Switch to previous program version after program updateCALL SW EOW calling signal,opposite station buzzer rings

RESET SW Initialize CPU

No.1 CH TX STATUS Lights when Modulator and Transmitter of No.1 CH is selected No.2 CH TX STATUS Lights when Modulator and Transmitter of No.2 CH is selected

No.1 CH RX STATUS Lights when Demodulator and Receiver of No.1 CH is selected No.2 CH RX STATUS Lights when Demodulator and Receiver of No.2 CH is selected

PASOLINK PLUS INTRODUCTION - STM1

22

INDICATORS/SWITCHES/CONTROLS (1+0)MAINT LED Maintenance Mode ON Loopback control ON CW mode ON TX Power Mute ON ALS MANUAL RESTART ATPC MANUAL CONTROLPWR LED When power switch is ON

NECITR-YTC ART-FEB/04-01

RESET SW Initialize CPU

ODU1 and ODU2 ALM LED Transmit RF power decrease by 3 to 6 dB from nominal Receiver level goes below squelch level ODU local oscillator APC loop unlock IF signal from the IDU is low

R SWR SW Switch to previous program version after program update

CALL SW EOW calling signal,opposite station buzzer rings

PWR SW Turns input DC power ON/OFF

IDU ALM LED Input STM-1 Signal lost (from MUX ) -Main INTFC Input STM-1 Frame Sync lost (from MUX)- Main INTFC Service Channel Input Signal Lost - Modem E-BER worse than preset value (10 -3 to 10-5) - Main INTFC BER-SD worse tha preset value (10 -5 to 10-9) - Main INTFC Input STM-1 Frame Sync lost from Radio - Modem E-BER from Radio worse than preset value (10 -3 to 10-5) Main INTFC BER-SD from Radio worse than preset value (10 -3 to 10-5) Main INTFC CPU of MD Unit failure - Modem RX side alarms include unit failure and IF input loss - Modem TX side alarms includes unit failure - Modem BER alarm (10-4 to 10-6 selectable) - Modem DC-DC CONV unit failure - DC-DC CONV LAN CARD / WS INTFC Module failure - LAN /WS INTFC Main INTFC Module failure - 150M INTFC/OPT INTFC

PASOLINK PLUS INTRODUCTION - STM1

23

INDICATORS/SWITCHES/CONTROLSALM LED (WS INTFC MODULE) WS INTFC Module fail

NECITR-YTC ART-FEB/04-01

ALM LED (150M INTFC/OPT INTFC) Input STM-1 data signal is lost Input STM-1 frame sysnchronization is lost 150M intfc/opt intfc module fail E-BER alarm is detected SD alarm is detected

ALM LED (LAN CARD MODULE) LAN CARD MODULE FAILLINK LED (LAN CARD MODULE) LIGHTS WHEN IDU AND ASSOCIATED EQUIPMENT ARE LINKED MEMORY OVERFLOW LED (LAN CARD MODULE) LIGHTS WHEN THE MEMORY OF LAN CARD MODULE OVERFLOW OR A COLLISION CONDITION OCURS.

COLX/DUPLEX LED ( 10/100 BASE-T INTFC) WHEN SETUP MODE IS HALF DUPLEX MODE, AND COLLISION OCCURS

100M LED ( 10/100 BASE-T INTFC) 100 BASE-T TRANSMISSION IS USED

LINK/ACT LED ( 10/100 BASE-T INTFC)

ALM LED (WS/ALM INTFC MODULE) WS/ALM INTFC FAILS CLOCK FOR CLUSTER ALARM IS LOST FRAME SYNCHRONIZATION IS LOST

WHEN 10/100 BASE-T AND ASSOCIATED EQUIPMENT IS LINKED. BLINKS WHEN DATA IS TRANSMITTED

ALM LED (10/100 BASE-T INTFC) 10/100 BASE-T MODULE FAIL RADIO FRAME SYNCHRONIZATION IS LOST E-BER ALM IS DETECTED SD ALM IS DETECTED LINK OF PORT1/PORT2 IS LOST

PASOLINK PLUS INTRODUCTION - STM1

24

IDU (1+1) Interfaces & ConnectorsRJ45 RJ45 RJ45

NECITR-YTC ART-FEB/04-01

PNMT PNMT DCD PNMT TXD PNMT RXD PNMT DRS GND PNMT DTR PNMT CTS PNMT RTS

LCT 1 2 3 4 5 6 7 8 LCT TXD LCT RXD GND LCT CTS LCT RTS 1 2 3 4 5 6 7 8

EOW1 EXT EOW1INPUT(+) EXT EOW1 INPUT (-) EXT CALL1 INPUT EXT EOW1 OUTPUT(+) EXT EOW1 OUTPUT(-) GROUND EXT CALL1 OUTPUT GROUND

1 2 3 4 5 6 7 8

SC IN / OUT D-SUB 37 (FEMALE) OH1(V11-1) IDT+ 1 20 OH1(V11-1)ICK+ 2 21 EOW2 OH1(V11-1)IFP+ 3 22 EXT EOW2OUTPUT(+) OH1(V11-1)DDT 4 23 EXT EOW2OUTPUT (-) OH1(V11-1)DCK+ 5 24 EXT CALL2 OUTPUT OH1(V11-1)DFP+ 6 25 EXT EOW2 INPUT(+) GROUND 7 26 EXT EOW2INPUT(-) OH2(V11-1)IDT+ 8 27 GROUND OH2(V11-1)ICK+ 9 28 EXT CALL2 INPUT OH2(V11-1)IFP+ 10 29 GROUND OH2(V11-1)DDT+ 11 30 OH2(V11-1)DCK+ 12 31 OH2(V11-1)DFP+ 13 32 GROUND 14 33 OH3(VF-1) I/P+ 15 34 OH3(VF-1) O/P+ 16 35 OH4(VF-2) I/P+ 17 36 OH4(VF-2) O/P+ 18 37 GROUND 19

RJ45

OH1(V11-1)IDTOH1(V11-1)ICKOH1(V11-1)IFPOH1(V11-1)DDTOH1(V11-1)DCKOH1(V11-1)DFPGROUND OH2(V11-1)IDTOH2(V11-1)ICKOH2(V11-1)IFPOH2(V11-1)DDTOH2(V11-1)DCKOH2(V11-1)DFPGROUND OH3(VF-1) I/P OH3(VF-1) O/P OH4(VF-2) I/POH4(VF-2) O/P-

D-SUB 25 (FEMALE) ALM 1 14 ALM RL7 (NC) 2 15 ALM RL7 (COM) ALM RL7 (NO) 3 16 ALM RL6 (NC) ALM RL6 (COM) 4 17 ALM RL6 (NO) ALM RL5 (NC) 5 18 ALM RL5 (COM) ALM RL5 (NO) 6 19 ALM RL4 (NC) 7 20 ALM RL4 (COM) ALM RL4 (NO) 8 21 ALM RL3 (NC) ALM RL3 (COM) 9 22 ALM RL3 (NO) 10 23 ALM RL2 (NC) ALM RL2 (COM) 11 24 ALM RL2 (NO) ALM RL1 (NC) 12 25 ALM RL1 (COM) ALM RL1 (NO) 13

EOW- Headset jack

IF IN/OUT

1 2 3 4

LINE IN 0V or (+48V) -48V or (0V)

STM-1 IN/OUTRJ45 NE1 TXD+/RXD+ TXD-/RXDRXD+/TXD+ CK + CK RXD-/TXDGND GND RJ45 NE2 TXD+/RXD+ TXD-/RXDRXD+/TXD+ N.C N.C RXD-/TXDGND GND RJ45 RJ45

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

PNMS V11 NMS TXD+ NMS TXDNMS RXD+

NMS RXD-

1 2 3 4 5 6

PNMS LAN NMS TD+ NMS TDNMS RD+

1 2 3 6

RJ45 LAN CARD MDI MDI-X TX+ RX+ TXRXRX+ TX+ RXTX-

NMS RD-

1 2 3 4/5 6 7 8 9

D-SUB 9 (FEMALE) WS IN/OUT IDT(+) Input Data Ground ODT(+) Output Data Ground IDT(-) Ground

ODT(-) Ground

HK1 Alm Input(+) HK2 Alm input(+) HK3 Alm Input(+) HK4 Alm Input(+) HK5 Alm Input(+) HK6 Alm Input(+) RL11(COM)HK1 RL10(NC)HK2 RL10(NO)HK2 RL9(COM)HK3 RL8(NC)HK4 RL8(NO)HK4 Ground

AUX ALM 1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 25 13

D-SUB 25 (FEMALE) HK1 Alm Input(-) HK2 Alm Input(-) HK3 Alm Input(-) HK4 Alm Input(-) HK5 Alm Input(-) HK6 Alm Input(-) RL11(NC HK1 RL11(NO)HK1 RL10(COM)HK2 RL9(NC)HK3 RL9(NO)HK3 RL8(COM)HK4

PASOLINK PLUS INTRODUCTION - STM1

25

INTERFACES

NECITR-YTC ART-FEB/04-01

NEC PASOLINK PLUS SYSTEM HAS THE FOLLOWING ITU-T STANDARD INTERFACES DIGITAL SIGNAL INTERFACES Main traffic STM-1 Electrical Type (ITU-T G.703): in station section, full functionality Bit Rate: 155.520 Mbit/s 20ppm Level: 1 Vp-p (nominal) (TX accepts 12.7dB cable loss at 78 MHz) Code Format: CMI Impedance: 75 ohms, unbalanced (nominal) Connector: IEC 169-13 Main traffic STM-1 Optical Type (ITU-T G.957): S-1.1 (Inter office) Bit Rate: 155.520 Mbit/s 20ppm Level: S-1.1 -8 to -15 dBm Connector FC/PC

PASOLINK PLUS INTRODUCTION - STM1

26

INTERFACES

NECITR-YTC ART-FEB/04-01

Wayside Traffic Transmission using RFCOH (option, 32QAM and 128QAM Enhanced Ver. only) Bit Rate: 2.048 Mbit/s 50ppm/1.544 Mbit/s 130ppm Input/output Level: 2.37 Vo-p 75 Ohms/3.0 Vo-p/3.0 v (75 unbal 2Mbit/s)(120 bal 2Mbit/s)(100 bal1.544Mbit/s) Code format HDB-3/ AMI or B8Zs Connector SOH Termination: RF INPUT / OUTPUT PORT Antenna direct mount type : 11-38 GHz NEC original interface Coaxial interface type : 6-8 GHz SMA Coaxial Connector ( N-type optional) Wave Guide interface type :

D-Sub 9 pinRST

11 GHz 13/15 GHz 18/23 GHz26GHz 38 GHz Polarization

:PDR100 :PBR140 :PBR220:PBR260 :PBR320 : Field changeable (Vertical or Horizontal) (Waveguide Type)PASOLINK PLUS INTRODUCTION - STM1 27

SERVICE CHANNELSOVERHEAD SERVICE CHANNELS 1 2 3 4 5 6 EOW V-11 V-11 VF1 VF2 WS or Digital Analog Analog Digital Engineering Order Wire IDU-IDU, IDU-ODU, ODU-ODU 64Kbit/s V11 (Contra / Co-directional selectable) 100 Ohms, Balanced 4 wire , (0.3 ~ 3.4 KHz ) -6 dBm nominal , 600 Ohms, Balanced 1.544 or 2.048 Mbps, RFCOH( 32 QAM /128 QAM Enhanced Ver. only) or 10 Base T: 32 QAM use 2.048 RFCOH 128 QAM use DSC or RSOH(E1/F1) 64Kbps 128 QAM (Enhanced Ver) use 2.048 RFCOH

NECITR-YTC ART-FEB/04-01

Standard Standard Standard Option

7

LAN

Digital

Option

Service channels can be connected back-to-back at repeater stations. Service channels 2 to 7 can be mapped to DSC1 to DSC4 in the RFCOH and E1, F1 and DCCr* bytes from the LCT or PNMT. * DCCr available only in STM-1, 128QAM Enhance ver. onlyPASOLINK PLUS INTRODUCTION - STM1

MUX

PASOLINK+ E1 (DMR) F1 (DMR) DCCr (DMR)* DSC1 TO 4

PASOLINK+

MUX

E1 (MUX) F1 (MUX) DCCr (MUX)*

E1 (MUX) F1 (MUX) DCCr (MUX)*

28

START UP / SHUTDOWNNo.1 CH Power Switch

NECITR-YTC ART-FEB/04-01

No.1 CH Line IN

STAR UP Check that the LINE IN voltage is between +20 V to +60V (or -20 V to -72 V) with a digital multi-meter, before connecting the power connector to the IDU Turn ON the Power switch on the IDU Allow equipment to warm up for at least 30 minutes SHUT DOWN Turn OFF the power switch on the front of the IDUNo.2 CH Power Switch

No.2 CH Line IN

The common unit is powered by both IDU1 and IDU 2

PASOLINK PLUS INTRODUCTION - STM1

29

PROTECTION SWITCHING

NECITR-YTC ART-FEB/04-01

Protection switching is provided in (1+1) Twin Path and Hot Standby systems. The receive side protection switching is performed by a Hitless Switch in the 150 M INTFC / OPT INTFC or 10/100BASE-T INTFC module.Priority 1: Manual switching Control Manual switching is initiated from external equipment (LCT/PNMT) Priority 2: Automatic switching control For any alarm in the online equipment, traffic will be switched to the standby equipment automatically. TX and RX switchover are performed independently.RX switching TX switching In the (1+1)HS system transmit switching is carried out by setting the standby ODU out put to off by Muting it. The data signal is transmitted in parallel to both CH1 and CH2. This apply to both HS and Twin Path configurations. When the Online RX CH fails or LOW BER Alarm is detected the ALM CONT circuit in the SW Board initiate a RX SW Control signal to switch to the standby CH provided it is in normal operating condition. Low BER Alarm FSYNC Alarm DEM Alarm

TX Switching, either initiated manually or automatically may cause a short interruption of the data. Modulator Alarm TX IF Input Alarm TX Power Alarm APC AlarmSWITCHING PRIORITY ( Provisioning)

RX LEV Alarm1.Non-Priority The switching condition used is non priority (non-homing). After switching the channel selected remains selected even if the alarmed channel is normalized

2. Priority No.1 When both channels are normal always selects CH1 as online. When CH1 is faulty automatically change to CH2 provided it is normal. When CH1 recovers return to CH1 automatically. PASOLINK PLUS INTRODUCTION - STM1 30

PROTECTION SYSTEMS

NECITR-YTC ART-FEB/04-01

AUTOMATIC LASER SHUTDOWNAUTOMATIC LASER SHUT DOWN FUNCTION

NECITR-YTC ART-FEB/04-01

When the optical signal input to the main interface is lost, the ALS function automatically shuts the main interface output laser

ALS DELAY TIME The ALS delay time can be set to 60 or 180 or 300 sec.

PASOLINK PLUS INTRODUCTION - STM1

32

Automatic Transmit power control (ATPC)ATPC setting parameters:1- TX max. = Nominal (0 ~ 20dB) 2- TX min. = Nominal (0 ~ 20dB) 3- ATPC RX threshold (Reference ) = -30 ~-70dB - ATPC will start with the TX min. power - When the RX level of the opposite site is decreased to be below the reference RX - The ATPC Will start increasing the TX power up to TX max. in one dB steps until increasing the RX level of the opposite site to be over the reference level - The ATPC will maintain the RX level within 5 dB over the reference levelTX IDU ODU RF RX Antenna RX ODU TX Antenna IF

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IDU

TX max TX min RX reference

TX max TX min

Site (A)

Site (B)PASOLINK PLUS INTRODUCTION - STM1

RX reference33

AUTOMATIC TX POWER CONTROLTx OutHigh

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Max. Tx Lev (Provisioning)

Min Tx Lev (Provisioning) Low Deep Shallow

Fading

Rx LevHigh

The ATPC Control transmits the information on the receiving level to the opposite station and controls the transmission level of its own station in accordance with the receiving level of the opposite station.ATPC hysteresis (provisioning)

ATPC Rx Threshold (provisioning)

The ATPC Control can be used in several configurations: ATPC - ATPC MTPC - ATPC ATPC - MTPC

Low Deep Shallow

Fading

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34

LOOPBACK CONTROL

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(d)

(a) STM-1 near-end loopback (STM-1 LB1) at the 150M INTFC/OPT INTFC module (b) STM-1 far-end loopback (STM-1 LB2) at the 150M INTFC/OPT INTFC module from LCT (c) IF loopback (IF-LB) at the MODEM module (Local only) (d) STM-1 far-end loopback (STM-1 LB2) at the 150M INTFC/OPT INTFC Module from PNMT/PNMS Note: While the IF loopback is in execution, monitoring of the opposite and the subsequent stations from the PNMS and PNMT are disabled.PASOLINK PLUS INTRODUCTION - STM1 35

OW COMMUNICATION

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BuzzCALL

Back-to-back connection

Buzz

Buzz

Following Order-Wire communications are possible: Communication between Local IDU and Local ODU

Communication between Local IDU and Remote IDUCommunication between Local ODU and Remote IDU Communication between Local ODU and Remote ODU When back-to-back connection for order wire is provided, OW communication between different hops are possible. When the Call button on the IDU is pressed the buzzer sounds on the remote IDU and all the other IDUs connected through back-to back connections.36

PASOLINK PLUS INTRODUCTION - STM1

EOW1 and EOW2

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37

OW/RX LEV MONITORMeter Indicates the Receive level as a dc voltage OW Indicator Lights when the OW-ON/OFF switch is set to ON. Under this condition if the indicator is not lit replace the battery.

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Battery use 6F22(UB) / 9V battery

OW ON/OFF SW when set to ON enables OW communication between the IDU and the ODU. VOL control Adjust the level of the OW RX signal.

Head set Jack connects the headset for OW communication RX LEV/OW IN connector connect the OW/RX Lev monitor to the ODU using the provided coaxial cablePASOLINK PLUS INTRODUCTION - STM1 38

ALARM TABLEDETECTING CIRCUIT ALARM CONDITION INPUT STM-1 SIGNAL IS LOST FROM MUX FRAME SYNCHRONIZATION OF INPUT STM-1 SIGNAL FROM MUX IS LOST BER IS WORSE THAN PRESET VALUE BER IS WORSE THAN PRESET VALUE (10-3 (10-5 TO TO 10-5 10-9 SELECTABLE) FROM MUX SIDE SELECTABLE) FROM MUX SIDE MODULE LED ALM (150/OPT INTFC) ALM (150/OPT INTFC) ALM (150/OPT INTFC) ALM (150/OPT INTFC) ALM (150/OPT INTFC) ALM (150/OPT INTFC) ALM (150/OPT INTFC) ALM (150/OPT INTFC) ALM (150/OPT INTFC) COLX/DUPLEX(BLINK) (10/100BASE-T INTFC) ALM(10/100BASE-T INTFC) ALM(WS INTFC/LAN) ALM INITIATED MAIN INTFC LOS MAIN INTFC LOS E-BER MUX SD-MUX RECEIVE STM-1 SIGNAL FROM RADIO IS LOST FRAME SYNCHRONIZATION OF THE STM-1 SIGNAL RECEIVED FROM RADIO LINK IS LOST 150 / OPT INTFC BER IS WORSE THAN PRESET VALUE (10-3 TO 10-5 SELECTABLE) FROM RADIO SIDE BER IS WORSE THAN PRESET VALUE (10-5 TO 10-9 SELECTABLE) FROM RADIO SIDE E-BER DMR SD DMR MAIN INTFC COLLISION LINK SUB INTFC MD CPU ALM MOD ALM DEM ALM HIGH BERF ALM PS MODEM TX POWER ALM TX INPUT ALM RX LEV ALM APC ALM CABLE ALM

NECITR-YTC ART-FEB/04-01LED INDICATION IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM

MAIN INTFC LOS DMR MAIN INTFC LOF DMR

150M INTFC / OPT INTFC MODULE FAILURE 10/100BASE-T INTFC WSINTFC/LAN COLLISION CONDITION OCCURS LINK OF LAN (10/100 BASE-T INTFC) AND ASSOCIATED EQUIPMENT IS NOT ESTABLISHED WS INTFC/ LAN CARD MODULE FAILURE COMMUNICATION BETWEEN MIODULES FAIL MODULATOR FAILURE MODEM DEMODULATOR FAILURE AND INPUT IF SIGNAL LOSS BER IS WORSE THAN PRESET VALUE (10-4 TO 10-6 SELECTABLE) FROM RADIO SIDE DC-DC CONV FAILURE MODEM FAILURE TRANSMIT RF POWER INCREASE/DECREASE BY APPROX. 3 dB FROM NOMINAL TX IF SIGNAL FROM THE IDU IS LOST ODU RECEIVER INPUT ;EVE; DECREASES BELOW SQUELCH LEVEL(32QAM -81dBm, 128 QAM -72 dBm) APC LOOP OF THE LOCAL OSCILLATOR UNLOCK COMMUNICATION BETWEEN IDU AND ODU IS LOST WHEN EQUIPMENT IS SET TO ONE OR MORE OF THE FOLLOWING CONDITIONS MAINTENANCE MAINTENANCE MODE FAR END / NEAR END LOOPBACK ON / ATPC MANUAL CONTROL ALS MANUAL RESTART / MOD CW ON / MUTE ON (TX OUTPUT POWER MUTED)

IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM IDU 1 & 2 ALM ODU 1& 2 ALM ODU 1& 2 ALM ODU 1& 2 ALM ODU 1& 2 ALM ODU 1& 2 ALM

MAINT

MAINT

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42

SUMMARY ALARM ITEMSSUMMARIZED EXTERNAL ALARMS AND HOUSE KEEPING CONTROLS EVENT RL-1 MAINT PS ALM CPU ALM ODU ALM1 ODU ALM2 CBL ALM1 CBL ALM2 TX PWR ALM 1 TX PWR ALM 2 TX IN ALM 1 TX IN ALM 2 RX IN ALM 1 RX IN ALM 2 APC ALM 1 APC ALM 2 IDU ALM 1 IDU ALM 2 MOD ALM 1 MOD ALM 2 DEM ALM 1 DEM ALM 2 SUB INTFC MAIN INTFC BER ALM 1 BER ALM 2 STM-1 LOS PORT 1&2, LINK DOWN HK CONTROL OUT 1 HK CONTROL OUT 2 HK CONTROL OUT 3 HK CONTROL OUT 4 RL-2 ALM CONNECTOR RL-3 RL-4 RL-5 RL-6 RL-7 RL-8 AUX/ALM CONNECTOR RL-9 RL-10 RL-11

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FACTORY DEFAULT SETTING CAN BE CHANGED FACTORY DEFAULT FIXED CAN BE EITHER ALARM OR CONTROL ONLY ALARMS

Installations

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Before going to any site, please be sure you completely prepared the following items: 1-The installation tools. 2-The test equipment ,materials ,and tools.( for test work only) 3-Site installation drawings. 4-All labels/stickers (hard and soft copy) 5-Frequency plan and system configuration documents. 6-Test procedure and test data sheets .( for test work only) 7-Confirm access to site/station. 8-Check the condition of the vehicle to be used. 9-Make sure you and your staff are in good conditions (physically) 10-Confirm the site/station entrance conditions. 11-Move to site/station safely.PASOLINK PLUS INTRODUCTION - STM1 45

1-INDOOR INSTALLATION

Unpacking of Accessories

Unpacking of IDU

Unpacking ofNECITR-YTC 19" ART-FEB/04-01 rack (if supplied)

IF Connector & Power Connector termination

Confirm 19" Rack Location & DC-Power Source

Follow The termination Procedure

19" rack fixing

IDU MountingRack Earthing Connection

Refer to the IDU fixing Procedure Photos

IF Cable Connection

IDU Grounding Connection

Follow Start up and set up Procedure

Connect the PowerPASOLINK PLUS INTRODUCTION - STM1

NESIC CAIRO46

IDU MOUNTFRONT POSITIONMore than one rack unit

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WALL

Align the IDU to the mount position When mounting the IDU in a 19 inch rack, leave a space of 200mm to the rear section and space of one rack unit to the top and bottom.

Fix each side of the IDU to the rack with (M5) screws

CENTER POSITION

More than one rack unit Mount the two brackets to the IDU with four screws Align the IDU to the center mount position and fix each side with (M5) screws PASOLINK PLUS INTRODUCTION - STM1 47

Cable Connection and Wiring4Connect the IF Cable 5-Connect the Power Cable

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6-Put the Label s

2-Connect the frame Earthing

3-Connect the STM-1 CablePASOLINK PLUS INTRODUCTION - STM1

1-Fix the 4 screw (2 for each side)48

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Luck NutWasher Gasket Clamp A Clamp B Insulation Center Conductor Connector Shell

IF Cable Termination1-First, Fit the Lock Nut, Washer and Gasket on the Cable as shown

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Gasket

washer Lock NutPASOLINK PLUS INTRODUCTION - STM1 50

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2-Strip Back the cable sheath, taking care not to damage the braided shield.

Fit Clamp APASOLINK PLUS INTRODUCTION - STM1

NESIC CAIRO 51

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3-Fold back the Braided shield, Separating the strands of the braid. Cut the extra length, to fit to Clamp A

PASOLINK PLUS INTRODUCTION - STM1

52

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4-Cut away the insulation from the center conductor and fit the clamp B.

Be sure not to cut or scratch the conductor while stripping the insulation

PASOLINK PLUS INTRODUCTION - STM1

NESIC CAIRO 53

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5- Cut the center conductor to fit the connector center contact (~1.2cm). Taper the end of the center conductor using a file 6- Mount the center contact onto the center conductor

7- Mount the Insulation onto the center contact.

Insulation

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54

NECITR-YTC ART-FEB/04-01

8-Insert the cable into the connector shell

9- Tighten the Lock Nut. Insure the good tighten condition using the suitable wrench

PASOLINK PLUS INTRODUCTION - STM1

NESIC CAIRO 55

10- Check the connector-cable continuity suing multemeter.11- Cover the outdoor connector with rubber tape.

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12- Cover the rubber tape with all weather vinyl tape.

13- The connector is ready for use.PASOLINK PLUS INTRODUCTION - STM1

NESIC 56 CAIRO

POWER CABLE TERMINATION

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57

CONNECTOR &POWER CABLEPower Connector

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Power Cable

Socket Contact

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1-Remove 3.0 to 3.5 mm of Insulation

1 2

2- Set the socket contact to the following position onto the hand crimping tool

Crimping Type dia. of Cable 57026-5000 1.5 to 1.8 1.8 to 2.2 57027-5000 2.3 to 2.6 2.6 to 3.1

Position 1 2 1 2

Hand Crimping tool (57026-5000)59

PASOLINK PLUS INTRODUCTION - STM1

NECITR-YTC ART-FEB/04-01

3- Squeeze the handle of the hand crimping tool, insert cable into socket contact

4- Cable should fit, so insulation and bare wire are arranged as shown,

5- Squeeze the handle of the hand crimping tool until ratchet is released.

PASOLINK PLUS INTRODUCTION - STM1

60

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5-Squeeze the handle of the hand crimping tool until ratchet Is released

6- Insert socket contacts to power connector till they locked and be sure it is well fixed.

(-48 V)

(0 V)NESIC CAIRO 61

PASOLINK PLUS INTRODUCTION - STM1

The Connector is ready to use

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NESIC CAIRO 62

UNPACKING ODU

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6/7/8 GHz ODU Open the carton Take out the ODU with cushioning materials Remove the cushioning materials from the ODU Take out the ODU from the antistatic bag Inspect ODU

11- 38 GHz ODUOpen the carton Take out the ODU with the cushioning materials Remove the cushioning material from the ODU Inspect ODUPASOLINK PLUS INTRODUCTION - STM1 63

POLE MOUNTING BRACKET

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Bracket for 6/7/8 GHz Band ODU

New Type Bracket for 11-38 GHz Band ODU

Old Type Bracket for 11-38 GHz Band ODU64

PASOLINK PLUS INTRODUCTION - STM1

POLE MOUNTING BRACKET

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NEW TYPE BRACKET

NEW TYPE BRACKET

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65

DIFFERENT ODU MOUNTINGSODU 1 HYBRID

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Antenna

ODU 2

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66

V /H POLARIZATION (1+1)V - POLARIZATIONSCREWS

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NEC Hybrid

Quasar Hybrid

SCREWS

SCREWS

H - POLARIZATION

ANTENNA CONNECTION UNIT

PROCEDURE FOR SETTING V/H POLARIZATION USING HYBRID ANTENNA SIDE Loosen the four screws with allen keys and rotate the antenna connection unit to the required polarization position Tighten the four screws. HYBRID SIDE The hybrid is set to V-polarization when shipped from the factory Remove the two screws. Rotate the two plates to the position required for the required polarization and fix them in position with the screws67

PASOLINK PLUS INTRODUCTION - STM1

Antenna Direct Mount Type

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Remove the Blanking plate Mount the blanking plate here for reuse

1.Mount the Hybrid to the Antenna with screws, use the guide pins to position correctly

2.Fix the ODUs one by one to the Hybrid. Take care not to damage the o-rings.68

PASOLINK PLUS INTRODUCTION - STM1

ANTENNA DIRECT MOUNT V/H POL

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PROCEDURE FOR SETTING V/H POLARIZATION

When vertical polarization is required, rotate the IDU so that the plate marked with V is pointing up. Fix the ODU in this position

When horizontal polarization is required, rotate the IDU so that the plate marked with H is pointing up. Fix the ODU in this position

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69

USE OF O-RINGS

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Do not use both small O-ring and large O-ring simultaneously

O-ring size is different forf different frequency bands

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70

POLE MOUNTING BRACKET

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PASOLINK PLUS INTRODUCTION - STM1

71

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For Andrew VHP( )-( )-NC3 AntennaPASOLINK PLUS INTRODUCTION - STM1 72

6/7/8 GHz ODU CONNECTIONS

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USING NEC HYBRID

USING QUASAR HYBRID

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73

Antenna connection using WG

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Align the waveguide to the Hybrids Antenna port and fix it with four bolts.Take care not to damage the O - ring

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74

WAVEGUIDE CONNECTION TYPE ODU

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Align the waveguide to the ODU Wave guide flange fix with four bolts.Take care not to damage the O - ring

PASOLINK PLUS INTRODUCTION - STM1

75

GROUNDING

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76

3- IDU Start up

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1-Be sure the power cable and IF cable are connected in Proper way 2- Carefully Poll out the Power On / Off toggle switch and put in ON position. 2- To shutdown the IDU switch the toggle switch to Off Position

1-Never switch IDU Off before at least 30 sec 2-Never connect or disconnect the IF Cable while the equipment is powered On 3-Leave the equipment to warm upPASOLINK PLUS INTRODUCTION - STM1 77

4- Equipment setting and test1- Set the HyperTerminal on your PC as follows :From start menu follow the route Programs..Accessories.Communication HyperTerminal You will need to set only one time

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HyperTerminal

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78

HyperTerminal settingType your Connection Name

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1- Double click HyperTerminal icon and follow the instructions

PTT

Select connect using direct to COM1PASOLINK PLUS INTRODUCTION - STM1 79

HyperTerminal settingSelect the setting items:1-Bits/Second: 19200

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2-Data Bits 8 3-Parity None 4-Stop bits 1

6- Press OK

5-Flow Control HardwareNESIC CAIROPASOLINK PLUS INTRODUCTION - STM1 80

HyperTerminal settingFrom File menu select Properties

NECITR-YTC ART-FEB/04-01

1-Select Terminal keys 2-Select VT100 VT100

500 3-Press ASC II setup Wrap lines that exceed terminal width

7- OK

8- OK

NESIC CAIRO81

PASOLINK PLUS INTRODUCTION - STM1

IDU Setting Connect your PC to the IDU using supplied RS232 cable. Start up your HyperTerminal connection Follow the Commands as Enter Login Name : Admin Enter Password : 12345678 Main Menu will appear as shown in below fig.

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Double Click

1-Press 4 System Configuration

PASOLINK PLUS INTRODUCTION - STM1

NESIC 82 CAIRO

IDU Setting

NECITR-YTC ART-FEB/04-01

This setting is just for test purpose From System Configuration menu For more details, please refer to instruction manual select 2

2- Setup Radio equipment Configuration

Enter TX Frequency & Press Enter Key Select TX Power Control to MTPC & Press Enter KeyPASOLINK PLUS INTRODUCTION - STM1

NESIC CAIRO 83

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Select Frame ID & Press Enter Key

Select Main Interface & Press Enter Key

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84

IDU Setting Start your antenna orientation and link test.

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1- At each station, press the 9 key twice for setting the Antenna Alignment mode of Maintenance and press the Enter key,

PASOLINK PLUS INTRODUCTION - STM1

NESIC CAIRO 85

Antenna Orientation

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At each station remove the cap from the RX LEV MON connector. At each station connect cable between the RX LEV MON connector in the ODU and OW/RX LEV IN connector in the OW/RX LEV MONITOR unit or digital multi-meter. Adjust the azimuth and the elevation so as to maximize the RX LEV voltage indicated on the voltage display, one station at a time. AZ Angle Adjustment 1. Loosen the Bolt (Nut) EL Angle Adjustment 3. Loosen Bolts

2-1. Adjust AZ angle by the two Bolts (nuts) 2-2. Secure the Bolts (nuts).

4. Adjust EL angle by the bolts (nuts)Secure the Bolts (nuts).

After adjustment disconnect the RX LEV MONITOR /Digital Multi-meter Put back the cap on the RX LEV MON connector

NEW TYPE BRACKETPASOLINK PLUS INTRODUCTION - STM1 86

ORDER-WIRE TESTS

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Connect the OW/RX LEV MONITOR to the RX LEV MON connector on the ODU.Connect Headsets to the EOW Jacks on the front panel of the local and remote IDUs and Headset Jack on the OW/ RX LEV MONITOR. Press the Call Button on the local IDU and confirm that the buzzer on the opposite IDU is activated.. Confirm that OW communication between Local IDU and the Remote IDU is possible. Confirm that OW communication between Local IDU and the local ODU and/ or opposite ODU is possible Confirm that OW communication between Local ODU and the opposite ODU is possible

Disconnect the headsets and OW/RX LEV monitors.

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87

LCI to RS232

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88

RX Level Monitoring

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Low BER and High BER are fixed to 3 x 10-7 and 3 x 10-4.PASOLINK PLUS INTRODUCTION - STM1 89

Network connections

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90