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5. Press ≠. The display shows the first S or T loop (if you are 
looking at a BRI-ST Card) or first NT-loop (if you are looking at a 
BRI-U Card). Payload loopback tests are not available for S-loops.
6. Press 
‘ until you see the loop you want to test.
7. Press 
≠. The display shows Payload loopback.
8. Press 
START to begin the test. The display shows the test name 
followed by 
running.
You can exit programming or move on to other programming tasks 
while the test is running, or begin a test on another loop. 
9. Press 
STOP to end the test. 
						

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Usage Metrics
Hunt groupsInstaller password required
This feature gives you statistical information about hunt group calls.
From 
Usage Metrics, start with the display showing Hunt groups.
1. Press 
≠ the display shows Show group:
2. Enter the group number. The display shows Hg1 metrics.
3. Press 
≠ to display the date the information was last cleared.
4. Press 
‘ the display shows TotalCalls:
The displayed value is the total number of calls received by the hunt 
group, up to a maximum value of 99999.
5. Press 
‘ the display shows Ans:
The displayed values are the number of calls that were answered up to 
a maximum value of 99999 and the percentage of answer calls versus 
total calls up to a maximum value of 999.
6. Press 
‘ the display shows Avg ans: _ sec.
The displayed value is the average time in seconds that it took to 
answer a call, up to a maximum value of 999.
7. Press 
‘ the display shows Abndn:
The displayed values are the number of calls that were abandoned up 
to a maximum value of 99999 and the percentage of abandoned calls 
versus total calls up to a maximum value of 999.
8. Press 
‘ the display shows Busy:
The displayed values show the number of times the hunt group was 
busy up to a maximum value of 99999 and the percentage of busy call 
versus total calls up to a maximum value of 999.
9. Press 
‘ the display shows Ovrfl:
The displayed values show the number of calls that were sent to the 
overflow position up to a maximum value of 99999 and the percentage 
of overflow calls versus total calls up to a maximum value of 999.
10. Press 
‘ the display shows Avg Q:_ sec
The displayed value is the average time in seconds the call waited in 
the queue, up to a maximum value of 999. 
						

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Maintenance records
Maintenance records are tables used to record information you have 
obtained while running a Maintenance session.
Before you begin, photocopy the tables in this section.
Recording information on the Maintenance records
To use the following records, do the following:
1. While running a Maintenance session, enter the information on a 
photocopy of the appropriate Maintenance record. 
2. Return the completed records to your Norstar distributor.
Version number record
The Maintenance session tells you the software versions of the System 
Processor (SP), and devices connected to the Norstar system. Use the 
following table to record these version numbers when you run a 
Maintenance session. You can check the SP version number under the 
heading System version. Device version numbers are found under the 
heading Port/DN status. 
						

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Version numbers
System versionPort/DN status
SP:Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device:
Device: 
						

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System test log record
You can check under the Sys test log heading to find a list of audits, event 
messages, and alarm codes. Use the following table to record these log 
items when you run a Maintenance session.
System test log
Sys test log
Log itemTime of log itemNumber of repetitions
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
Time and date that log 
was checked
:           /           / 
						

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System administration log record
You can check under the Sys admin log heading to find a list of 
administrative events performed on Norstar. Use this table to record these 
log items when you run a Maintenance session.
System administration log
Sys admin log
Log itemTime of log itemNumber of repetitions
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
Time and date that log 
was checked
:           /           / 
						

							P0992669 03Compact ICS 6.0 Installer Guide
Specifications
Norstar system
Service tone cadences
Power specifications
*Connection to ac power rated greater than 120 V ac nominal requires an 
approved cord set for that voltage range.
ToneCadence (seconds)
Busy0.5 on / 0.5 off
Expensive route0.3 on / 0.3 off (3 bursts)
Overflow0.25 on / 0.25 off
Ringback2.0 on / 4.0 off
Confirmation1.0 on / 1.0 off (3 bursts followed by no 
tone)
Recall1.0 on / 1.0 off (3 bursts followed by steady 
tone)
Ring splash0.2 on (1 burst)
CharacteristicICS
Voltage V AC (nominal)110-120*
Current A rms (max)1.9
Frequency Hz (nominal)50-60
Crest factor4.0
Fuse250 V, 3.15A 
						

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Telephone loop specifications
Electrical requirements
CharacteristicValue
Loop resistance64 Ω (300 m of 0.5 mm wire or 975 ft of 24 
AWG wire)
Loop length300 m (975 ft) without station auxiliary 
power supply
1200 m (3900 ft) with station auxiliary 
power supply
Minimum voltage at 
telephone11 V dc
Current at telephone (idle)45 mA nominal
Current at telephone 
(active)80 mA maximum
CharacteristicSpec/Value
Electrostatic discharge
     ICS and telephonesIEC 801-2 2nd Edition, level 3
maximum of 8 kV with a 300 Ω/150 pF 
probe
     ConnectorsIEC 801-2 2nd Edition, level 2
Radiated immunityBell Canada TAD 8465 (operation in fields 
of up to 5V/m over the frequency range of 
100kHz to 1GHz)
Conducted immunityBell Canada TAD 8465 (operation with 
common mode injected voltage of up to 3V 
RMS over the frequency range of150 kHz 
to 30 MHz