Nortel Modular Ics 6.0 Installer Guide

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P0992638 03Modular ICS 6. 0 Installer Guide
2. If the E&M trunks are connected to another Norstar 
system, make sure that connections have been made as 
indicated in Installation on page 209.
3. Use the following table to check for correct voltage on the 
E&M/DISA leads:
Voltages on E&M leads
Dialed DISA number gets ringback instead of 
stuttered dial tone
The remote caller has dialed a DISA number, but has instead 
reached a target line, or has been routed to...

582 / Problems for network or remote users
Modular ICS 6.0 Installer GuideP0992638 03
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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Possible problem
The remote caller may have entered an asterisk (*) as one of 
the six digits.
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...

584 / Problems for network or remote users
Modular ICS 6.0 Installer GuideP0992638 03
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 COS password 
of the remote caller. 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...

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Dialed feature code gets busy tone
Possible problem
A resource that the remote feature uses may currently be in 
use. For example, a remote caller trying to use the paging 
feature would get a busy tone if the auxiliary speaker were 
being used at the time.
Solution
If repeated attempts to use the remote feature get busy tone, 
there may be a malfunction in a resource that the feature uses. 
Check that the remote...

586 / Problems for network or remote users
Modular ICS 6.0 Installer GuideP0992638 03
Possible problem
If the published line pool access code is invalid, the system has 
attempted, without success, to match the invalid code to a 
Norstar target line internal number, and there is no prime 
telephone for the auto-answer trunk.
Solution
1. Make sure that the published line pool access codes are 
correct.
2. Check that the line pool access codes have been entered 
correctly under Access codes in System...

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Line pool access code gets busy tone
Possible problem
There are not enough lines in the line pool to serve the number 
of users.
Solution
If the line pool contains loop start trunks, enter programming 
and move under-used loop start trunks from other line pools 
into the deficient line pool.
OR
If the line pool contains E&M trunks, order more trunks from 
the telephone company or private network vendor. Install...

588 / Problems for network or remote users
Modular ICS 6.0 Installer GuideP0992638 03
Possible problem
There may be a malfunction in the line that the remote caller 
accessed.
Solution
If the problem is persistent, check that all lines in the affected 
line pool are functioning normally.
Possible problem
There may be a malfunction in the system that the caller is 
trying to reach.
Solution
Inform the operators of the system at the far end that the dialed 
number is not getting through. 

P0992638 03Modular ICS 6. 0 Installer Guide
Specifications
Norstar system
Service tone cadences
Power specifications
Telephone loop specifications
Tone Cadence (seconds)
Busy 0.5 on / 0.5 off
Expensive Route 0.3 on / 0.3 off (3 bursts)
Overflow 0.25 on / 0.25 off
Ringback 2.0 on / 4.0 off
Confirmation 1.0 on / 1.0 off (three bursts followed by no tone)
Recall 1.0 on / 1.0 off (three bursts followed by steady tone)
Ring splash 0.2 on (one burst)
Characteristic ICS TM SM
Voltage V ac 110-120 110-120...

590 / Specifications
Modular ICS 6.0 Installer GuideP0992638 03
Electrical requirements
Environmental requirements
ISDN network synchronization
*
* These specifications only apply when the system clock is not derived from a Digital 
Trunk Interface connection to the network.
Current at 
telephone (idle)45 mA nominal
Current at 
telephone (active)80 mA maximum
Characteristic Spec/Value
Electrostatic discharge
     ICS and telephones IEC 801-2 severity level 3
maximum of 15 kV with a 300¾/150 pF probe...