Nortel Compact Ics 6.1 Installer Guide

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5. Run a maintenance session to ensure the I-ATA is not disabled. Refer 
to Port/DN status on page 308.
Calls cannot be answered (or dial tone is not 
present when making calls)
1. Check that the I-ATA connections have been made correctly.
2. Replace the analog device with a single-line analog telephone and 
check for dial tone.
3. Ensure that the analog device is not faulty by connecting it directly to 
an external line and...

282 / Problems with the I-ATA
Compact ICS 6.1 Installer GuideP0603539  02
5. Check the internal wiring at the modular jack and the distribution 
cross-connect. The I-ATA port should have about 31 Vdc across the 
Tip and Ring when the telephone is disconnected. The voltage should 
drop when the analog telephone is connected and a call is attempted.
6. Check the requirements of the analog device to see if it is compatible 
with the I-ATA specifications. Refer to Specifications on page 343. 

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Problems with optional 
equipment
Auxiliary ringer
1. If the auxiliary ringer is used for Schedules (Night, Evening, or Lunch 
schedule), 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....

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Compact ICS 6.1 Installer GuideP0603539  02
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 rms across  
600 Ω.
Music on...

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4. Check the wiring between the music source and the 50-pin connector. 
See the wiring charts in the Installation section.
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 (for example, less 
than 3,300 ohms) can be connected. The output level must be less than 
one volt.
KIM not working
The key interface module (KIM) that...

286 / Problems with optional equipment
Compact ICS 6.1 Installer GuideP0603539  02
• KIM single-module coldstart
If you just want to coldstart an 
individual module:
While the reset icons are still flashing, 
simultaneously press the two top and 
two bottom buttons on the lower button 
set. 
The KIM displays a random pattern of 
icons as the KIM resets.
KIM multi-module coldstart
If you want to coldstart all the KIMs 
attached to your telephone:
While the rest icons are still flashing, 
on the first...

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Problems with Trunk Cartridges
Check first for user configuration problems, then wiring and programming 
errors before replacing Norstar equipment.
Trunk Cartridge trouble
1. Check that the cartridge is properly inserted in the ICS.
2. Run a Maintenance session to ensure that the cartridge is not disabled.
If the problem persists:
1. If AC power is present and the LED indicator on the ICS is off, see the 
section on ICS down...

288 / Problems with BRI service
Compact ICS 6.1 Installer GuideP0603539  02
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...

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6. Verify that the loop is properly configured, including the proper loop 
type, SPIDs, and Network DNs.
7. Disable and re-enable the BRI Card.
8. Disable and enable the module for the Card.
Out of service is displayed when a BRI line is 
selected (LED for loop is lit)
Possible problem
The loop is configured incorrectly. Layer 1 is present but Layers 2 and 3 
are not working.
Solution
1. Verify that the SPIDs and Network DNs are...

290 / Problems with BRI service
Compact ICS 6.1 Installer GuideP0603539  02
2. Replace the card with another card of the same type.
Caller hears one ring and then a fast busy signal 
when placing a call on a BRI line
Possible problem
CACH or EKTS, which are not supported by Compact ICS, is included in 
the ISDN services package.
Solution
1. Contact your service provider and ensure that CACH or EKTS are not 
part of the ISDN services package. These services must be turned off 
at the switch.
2. Verify...