Nortel Compact Ics 6.1 Installer Guide

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Problems with the NT1
The table describes the indicators found on the standalone NT1 
manufactured by Nortel. Other models or makes of NT1 may have different 
indicators. For more information about the NT1, see the ISDN chapter.
NT1 status indicators  
 IndicatorStateMeaning
off
on
flashingpower is unavailable
power is available
system is on backup power
S or Toff
on
flashingnormal operation
no synchronization with terminal...

292 / ICS down
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ICS down
If AC power is present and the indicator light on the ICS is off, replace the 
fuse in the ICS (see illustration on next page). 
1. Disconnect all central office and station lines from the ICS. Power 
down the ICS by unplugging it.
2. After powering down the ICS, use fingernails or screwdrivers to pinch 
the tabs on the fuse drawer and remove it from the ICS. The cables 
easily and safely can be pushed aside to reach the fuse drawer.
3....

ICS down / 293
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Changing a fuse    
Fuse drawer
Bottom view of ICS Fuse 

294 / Problems for network or remote users
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Problems for network or remote 
users
Remote feature code gets no response
Possible problem
A Norstar user has called into another Norstar system and is trying to 
activate a remote feature but gets no response after dialing the feature code.
Solution
1. If a COS password is needed for remote access, make sure the user has 
entered the appropriate password.
2. Make sure that the remote caller is dialing the feature...

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Solution
1. Verify that the switch is sending the correct number of digits for the 
Received number length defined in your system.
2. Verify all the digit strings that the switch should be sending.
3. Check that you have defined the corresponding Received number for 
every target line in your system.
4. Make sure that the published telephone numbers for your network are 
correct.
Dialed number gets stuttered dial tone...

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Solution
1. Verify all the digit strings that the switch should be sending.
2. Check that you have defined the corresponding Received number for 
every target line in your system.
3. Check that you have defined the correct Auto DN for your system.
4. Make sure that the published telephone numbers for your network are 
correct.
Dialed number gets busy tone
Possible problem
The target line that the incoming digits map...

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4. Check that you have defined a Received number for every target line 
in your system.
5. Make sure that the published telephone numbers for your network are 
correct.
Possible problem
The Norstar system did not receive some or all of the incoming digits.
Solution
1. Check that the system hardware is receiving signals properly.
2. Verify that the switch is sending the correct number of digits for the 
Received number...

298 / Problems for network or remote users
Compact ICS 6.1 Installer GuideP0603539  02
Dialed DISA number gets dial tone instead of 
stuttered dial tone
Possible problem
The remote caller has dialed a DISA number, but has reached the Norstar 
system instead. The Norstar system has mapped the incoming digits from 
a switch onto the Auto DN.
Solution
1. Verify that the switch is sending the correct number of digits for the 
Received number length defined in your system.
2. Verify all the digit strings that...

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Solution
Instruct remote callers to enter their COS password correctly: enter six 
digits.
Possible problem
The remote caller may have entered a number sign (#) as one of the six 
digits.
Solution
Instruct remote callers to enter their COS password correctly: enter six 
digits. The number sign (#) may be entered after the sixth digit, but is not 
required.
Possible problem
The remote caller may have waited more than 15...

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Dialed feature code gets overflow tone
Possible problem
The remote caller does not have access to that feature.
Solution
1. If the call came in on a trunk with DISA, check the Class of Service 
that is associated with the remote callers COS password. If it is too 
restrictive, modify the remote package assigned to the COS password, 
or assign another COS password that is more suitable.
2. If the call came in on a trunk...