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Alarm Management
FT42726EN02GLA1 © 2010 Nokia Siemens Networks
1
Contents
1 Fault Management 3
1.1
Normal operating condition and alarms 4
1.2 Fault Management 11
1.3 Alarm Description 12
1.4 Alarm History 23
2 Battery Replacement Instructions 25
3 Removing/ Installing IDU Modules 29
3.1 Introduction 30
3.2 Removing a Module 31
3.3 Installing a Module 33
Alarm Management
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Alarm Management
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© 2010 Nokia Siemens Networks2
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Alarm Management
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1 Fault Management
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Alarm Management
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© 2010 Nokia Siemens Networks4
1.1 Normal operating condition and alarms
1.1.1 Normal Operating ConditionsThe normal operating conditions of the equipment are indicated as follows:
• Power Supply LED must be GREEN.
• Status LEDs on the front panel of the units must be GREEN.
• RF output power and RF input power are at nominal value.
1.1.2 Alarm Condi tions
An alarm condition indicates a failure in the outdoor or indoor unit. An alarm conditionin the equipment is indicated by the switching ON of a red LED on the front panel ofthe failed unit.
The alarms are also processed and managed by the Controller unit.
Its status LED, in fact, turns orange when an alarm is active.
The LCT, connected to the Controller unit, permits to easily locate failed unit.
The standard I/O and modem status LEDs are set to red when certain alarms are
posted as reported in the Alarm Description (from Fig. 7to Fig. 15).
The modem status led meaning is reported in Fig. 5.
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Power Supply
Controller
Modem
Fig. 1 LEDs position (1)
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Standard/Enhanced I/O
Gigabit I/O
42xE1 I/O
Fig. 2 LEDs position (2)
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16xE1 Expansion Module
21xE1 Expansion Module
Fig. 3 LEDs position (3)
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A green LED is on when the STM-1 signal is connected atthe input of the unit.
STM-1 Electrical Mini I/O Unit
STM-1 Optical Mini I/O Unit
Fig. 4 STM-1 Mini I/O unit
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Fig. 5 Modem status led
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1.2 Fault Management
FlexiHybrid is provided with an alarm system with different signaling modes (viasoftware, LED, connector outputs), that starting from an alarm signal allows to theoperator to identify quickly the failed module or function.
Each time an alarm is posted or cleared a log of such posting or clearing is availablein a IDU buffer (300 message deep circular buffer) and sent to a sys-log server ifconfigured.
The alarm severity is mapped to Sys-log severity as reported in Fig. 6.
Each alarm is maskable by the user via GUI or SNMP.
Each alarm posted or cleared generates an SNMP (if SNMP traps are configured).
Each alarm is mappable to the output alarms 1-4 as per user configuration.
The alarm list is reported from Fig. 7 to Fig. 15.
Fig. 6 Alarms mapped
WARNING
In order to remove or install an IDU module, please follow the instructionsreported inside chapter 8.
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1.3 Alarm Description
The controller status LED is the primary front panel indicator of alarms. An alarm is generated when a specific condition is identified and is cleared when thespecified condition is no longer detected. When an alarm is posted:
1. The controller status LED turns orange for 5 seconds
2. The controller status LED turns off for 5 seconds
3. The controller status LED flashes orange for the number of times specified by thefirst digit of the alarm code
4. The controller status LED turns off for 3 seconds
5. The controller status LED flashes orange for the number of times specified by thesecond digit of the alarm code
Steps 2-5 are repeated for each alarm posted. The entire process is repeated as longas the alarms are still posted.
It follows a complete alarm description.
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Fig. 7 Alarms (1)
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Fig. 8 Alarms (2)
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Fig. 9 Alarms (3)
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Fig. 10 Alarms (4)
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Fig. 11 Alarms (5)
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Fig. 12 Alarms (6)
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Fig. 13 Alarms (7)
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Fig. 14 Alarms (8)
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Fig. 15 Alarms (9)
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1.4 Alarm History
FlexiHybrid alarm history, lists alarms that have occurred and their description,status, and time (see Fig. 16).
A maximum of 300 alarms can be displayed.
If the alarm history exceeds 300 alarms, the oldest alarms will beremoved/overwritten. The following items are displayed via Web Interface:
• Description (name) of the alarm.
• Status of alarm (set/reset).
• The time at which the particular alarm sets/resets.
• Clear History
Fig. 16 Alarm History via Web Interface
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2 Battery Replacement Instructions
These instructions describe how to replace the battery on the Controller Module inthe IDU. It may be necessary to replace the battery after a “Low Battery Voltage”alarm.
A “Low Battery Voltage” alarm is usually generated when the battery’s charge isdepleted from use or age, or the battery contacts are loose. Both causes areaddressed by the following instructions.
Make sure you have the following items before you begin the replacement procedure.
• Small flat head screw driver
• Small needle-nose pliers
• Panasonic CR2032 or equivalent battery
• Electrostatic Discharge (ESD) safe workspace
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Procedure
1. Handling of the Controller Module should be done in an ESD safe work area.2. Remove the Controller Module from the IDU chassis.
3. The battery is located near the rear edge of the card, as shown in Figure (see:battery location and holder). The battery holder has a locking tab, a contact leverand a bottom contact plate (not shown).
4. Use the flat head screw driver to depress the locking tab on the battery holderand gently slide the battery out from underneath the contact arm, as shown inFigure (please, see: removing the battery). Be very careful not to bend thecontact arm. Also, be careful not to break the plastic locking tab.
5. Once the battery has been removed, the contact arm should make contact with
the bottom contact plate. If it does not (see figure: contact lever connection), thelever contact should be bent back into the correct position. Grasp the levercontact with the needle nose pliers next to the bend location and gently torquedown on the arm to bend it slightly, as shown in Figure. Repeat this procedureuntil the lever arm makes contact with the base contact. Figure shows the leverarm position after correction.
6. Before installing a new battery, clean the contact surfaces by scraping them withthe screwdriver.
7. To install the new battery, depress the locking tab with the screwdriver, slide thenew battery in place under the lever arm, and release the locking tab (see figure:
replacing the battery). The battery should be oriented with the positive (+) sideup. Again, be careful not to bend the lever arm or break the locking tab.
8. Slide the Controller Module back into the chassis until it is flush with the rest ofthe front panel. There will be some resistance as the board engages with theback plane.
9. Remove the thumbscrews from the threaded holes and return them to theiroriginal position on either side of the Controller Module.
10. The Controller Module should be powered on within one hour after the batteryreplacement is complete.
11. The “Low Battery Voltage” alarm will not be cleared until the Controller Module is
power cycled once more. This can be accomplished by removing the module andre-engaging it in a powered-on IDU or by power cycling the entire IDU. Allow atleast 1 minute between power cycles.
12. The time and date must be reset after battery replacement. Instructions forsetting the time and date are located in the OMN Manual.
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Fig. 17 Battery location and holder
Fig. 18 Removing the battery
Fig. 19 Contact lever correction
Fig. 20 Replacing the battery
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3 Removing/ Install ing IDU Modules
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3.1 Introduction
This chapter describes how to remove and install IDU modules. There may be up to 8modules installed in a single IDU chassis.
Fig. 21 shows the IDU Modules.
The basic procedure for removing and installing a module is common to all themodules, with slight variations for the Power Supply Module, Controller Module, andMini IO Module. These basic procedures are described below. Variations aredescribed in sub-items beneath each step.
Power SupplyModule
Second PowerSupply Module
Master I/O Module
ControllerModule
Modem (7, 14, 28, 56 MHz)4,16, 32,64, 128 QAM
and IF/Telemetry Module,
Second Modem (7, 14, 28, 56 MHz)4,16, 32,64, 128 QAM
and IF TelemetryModule
STM-1Mini I/O Module
E1 ExpansionI/O Module
= Optional= Mandadory
Fig. 21 IDU Modules
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3.2 Removing a Module
1. Modules are static sensitive and should only be handled in an ESD-safeenvironment. When packaging modules for shipment or storage place in an ESDbag.
2. Remove front panel connections to the module.
3. Remove the two thumbscrews on either side of the module.
4. Fig. 22 shows the locations of these thumb screws.
a) The thumbscrew for the Standard IO Module is located on the right side of theMini IO Module slot.
b) If a Mini IO module is installed and the Standard IO Module is to be removed,both modules will be removed as one unit.
c) When removing only the Mini IO card, remove the corner screw indicated inFigure and one thumb screw.
Thumbscrew Corner Screw
Fig. 22 Thumbscrew and Corner Screw Locations
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5. Thread thumbscrew(s) into hole(s) shown in Fig. 23. Remove the module bygrasping the thumbscrew(s) and pulling module straight out of the IDU. Boththumbscrews should be used for all modules except the Power Supply and the
Mini IO Modules.a) Power Supply and Mini IO Modules have only one threaded hole each.
b) When removing the Standard IO Module, the ground lug indicated in Fig. 23 isused as the second threaded hole. If the IDU has to remain powered on andthe ground lug is being used to ground the unit, first move the groundconnection to the ground lug located on the Controller Module.
c) The IDU retains its current configuration when a module is removed, unlessthat module is the Controller Module. In which case, the IP addresses willneed to be reprogrammed.
Threaded Hole
Ground Lug
Fig. 23 Threaded Hole Locations
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3.3 Installing a Module
1. Modules are static sensitive and should only be handled in an ESD-safeenvironment. When packaging modules for shipment or storage place in an ESDbag.
2. Line up the module board with the guides in the chassis and slide the module intothe IDU. Fig. 24 shows a photo of the guides. As the module face plate comesflush with the face of the IDU, connectors on the back of the module will engagewith the IDU backplane. It is possible to encounter interference from adjacentmodule front panels. If this occurs, loosen the thumbscrews holding theneighboring panels and shift them as necessary to ensure fit.
a) The Mini IO Module only has one guide on the right side. Take care to insertthe Mini IO module carefully and correctly engage the rear connector with its
mate on the Standard IO Module.
3. Install thumbscrews on either side of the module as shown in Fig. 22.
a) The Mini IO card has a corner screw which should be installed. This cornerscrew is shown in Fig. 22.
b) Make front panel connections to the module and power on the IDU ifnecessary. Verify proper operation of the unit.
c) If the Controller Module has been changed, reprogram the IP addresses.
Fig. 24 Guides
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