Nortel Modular Ics 6.0 Installer Guide

Problems with lines / 561
P0992638 03Modular ICS 6. 0 Installer Guide
Possible problem
The line has been disabled for maintenance purposes.
Solution
Enable the line.
OR
If the line will be out of service for some time, configure 
another line to replace it on the telephone.
Possible problem
The loop or line has not been provisioned.
Solution
Provision the loop or line.
Selected line pool displays: No free lines 
If the user selects a line pool and the telephone displays No 
free lines, refer to this...

562 / Problems with optional equipment
Modular ICS 6.0 Installer GuideP0992638 03
Problems with optional equipment
Analog Terminal Adapter
1. Check the connections to the jack.
2. Check the connections to the ATA.
3. Disconnect the ATA and replace it with a working 
telephone. If the telephone still works properly, the ICS 
and/or the SM are operating properly.
4. Verify that the programming has been done as described in 
the Programming Record and the Norstar Analog 
Terminal Adapter Installation Card...

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Auxiliary ringer
1. If the auxiliary ringer is used for Schedules (Night, 
Evening, or Lunch service), ensure that Schedules is 
activated from the control telephone.
2. Check the wiring between the auxiliary ringer generator 
and the ringing device. Refer to the auxiliary ringer wiring 
chart.
3. Check the wiring between the auxiliary ringer generator 
and the distribution block:
Auxiliary ringer wiring
4. Ensure that the...

564 / Problems with optional equipment
Modular ICS 6.0 Installer GuideP0992638 03
External paging
1. Use the Button Inquiry feature (²¥â) to verify the 
feature of a programmable memory button.
2. Check the wiring between the 50-pin connector and the 
paging amplifier or between the connections shown in the 
external paging wiring chart.
External paging wiring
3. Test external paging ²ßÛ to ensure that it is 
working. The nominal output signal from the Norstar ICS 
is 100 mV across 600 Ω.
Music on...

Problems with optional equipment / 565
P0992638 03Modular ICS 6. 0 Installer Guide
5. Ensure that the music source is turned on, is operational, 
and the volume control is set properly.
6. Any music source with a low-output impedance, less than 
3,300 Ω, can be connected. The output level must be less 
than one volt. 

566 / Problems with trunk cartridges service
Modular ICS 6.0 Installer GuideP0992638 03
Problems with trunk cartridges 
service
Check first for user problems, then wiring and programming 
errors before replacing Norstar equipment.
1. Check that the cartridge is properly inserted in the ICS or 
Trunk Module.
2. Run a Maintenance session to ensure that the cartridge is 
not disabled.
If the problem persists:
If the Trunk Cartridge is installed in the ICS and the AC power 
is present and the LED indicator...

Problems with trunk cartridges service / 567
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Refer to Installation on page 209 for information about 
replacing components.
Digital Trunk Interface trouble
1. Run a Maintenance session to verify that the Trunk 
Cartridge is enabled and that the lines are provisioned.
2. Check the LEDs on the front of the DTI:
Alarm:  steady yellow LED upon LOS
Error:   steady yellow LED during
Alarm:  steady red LED during transmit 
Error:   steady yellow LED upon 
Steady green...

568 / Problems with trunk cartridges service
Modular ICS 6.0 Installer GuideP0992638 03
Receive Alarm — yellow LED on indicates a problem 
with the digital transmission being received. This half-
duplex link is unusable.
Receive Error — yellow LED indicates a minor error as a 
result of degraded digital transmission. Possible causes are 
an ohmic connection, water ingress, or too long a loop.
Transmit Alarm — red LED on indicates an inability to 
transmit. Alarm indication signal (AIS) is being...

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If through-fed repeaters are used on the T1 span, disable 
the internal CSU and connect the DTI to an external CSU.
6. If the problem persists, replace the DTI.
Monitoring the T1 or PRI signal
If you are finding minimal faults with the T1 or PRI signal, 
you can monitor the signal to try and isolate the problem. The 
monitor jack on the DTI faceplate provides non-intrusive, 
bridged in-service monitoring of the T1 or...

570 / Problems with BRI service
Modular ICS 6.0 Installer GuideP0992638 03
Problems with BRI service
Each LED on front of a BRI-ST or BRI-U Card corresponds 
with a loop, or indicates an overall state of the BRI 
connections.
The BRI card is connected to the ISDN network (U loop) 
but the LED for one of more loops is not lit
Possible problem
The physical connection or configuration for the network 
connection is not correct (no Layer 1).
Solution
1. Verify the wiring from the network to the distribution...