Nortel Modular Ics 6.1 Installer Guide

Emergency telephone / 281
P0603534  02Modular ICS 6.1 Installer Guide
Emergency telephone
You can connect an emergency telephone to an ICS or Trunk 
Module (TM) with a Loop Start Trunk Cartridge to provide 
emergency service when there is no power to the ICS. The ICS 
has emergency telephone connections for lines 002 and 026 
(profile 1, 3 and 4) or 002 to 030 (profile 2). Each Trunk 
Module has one emergency telephone connection.
1. Wire a modular jack or equivalent to each set of 
emergency telephone...

282 / Emergency telephone
Modular ICS 6.1 Installer GuideP0603534  02
6. Disconnect the central office lines, then remove power 
from the system.
7. Replace the Trunk Cartridge in the left slot.
8. Continue with procedures for powering up the system.
Tips - The emergency telephone connections on the Trunk 
Module will not work if there is an E&M/DISA, a BRI-ST or 
BRI-U card, or a DID Trunk Cartridge in the first slot of the 
Trunk Module. The emergency telephone connections on the 
ICS will not work if...

Moving telephones / 283
P0603534  02Modular ICS 6.1 Installer Guide
Moving telephones
You can move a system telephone to a new location within the 
Norstar system without losing the programmed settings. 
When Set relocation is enabled in system programming, 
the internal numbers, autodial settings, and personal speed dial 
codes remain with the telephone when it is unplugged. 
To move a telephone, simply unplug it and plug it in again at 
another location. It may take up to 45 seconds for the ICS to...

284 / Installing ISDN BRI terminal equipment
Modular ICS 6.1 Installer GuideP0603534  02
Installing ISDN BRI terminal 
equipment
For each S or T or U-LT reference point, an eight-position 
miniature unkeyed plug from the terminal equipment (TE) is 
plugged into a jack connected to Norstar wiring. The pin 
connections for the jack and plug are shown in the following 
charts.
S or T wiring for terminal equipment
S or T extension wiring configurations
The last connection on any ISDN S or T extension wiring...

Installing ISDN BRI terminal equipment / 285
P0603534  02Modular ICS 6.1 Installer Guide
The maximum length of spur and ISDN connection cord 
(the extension from the main line or bus) is 10 m (30 ft). 
Refer to S reference point on page 57 and T reference points 
on page 58 in the Welcome to ISDN chapter for information 
about wiring arrangements for ISDN terminal equipment (TE) 
on an S or T loop.
Additional power
A Norstar S or T-loop does not provide power on Power 
Source 1 (PS1), Power Source (PS2),...

286 / Installing ISDN BRI terminal equipment
Modular ICS 6.1 Installer GuideP0603534  02
No power supply is provided for the U-LT wiring. If 
equipment attached to the U-LT loop requires optional power, 
install an approved power supply unit. See ANSI T1.601-1992 
Annex H or the documentation that comes with your TE for 
more information.
Jack and plug pin numbering     
5TT
6not usedno connection
7not usedoptional power (-)
8not usedoptional power (+)
8  7  6  5  4  3  2  1
1       2      3       4...

Installing optional equipment / 287
P0603534  02Modular ICS 6.1 Installer Guide
Installing optional equipment
This section describes the installation procedures for optional, 
customer-suppled equipment.
Auxiliary ringer (customer supplied)
The Norstar ICS provides a control contact to operate an 
auxiliary ringer. 
1. Follow the installation instructions provided by the 
manufacturer.
2. Connect the auxiliary ring generator to the 50-pin 
distribution block as shown in the wiring charts.
The pins in...

288 / Installing optional equipment
Modular ICS 6.1 Installer GuideP0603534  02
External music source (customer supplied)
The music source can be any approved low-power device such 
as a radio with a high-impedance earphone jack. The 
recommended ICS input level is 0.25 V rms across an input 
impedance of 3300 Ω.
1. Connect the music source output to the 50-pin distribution 
block, as shown in the wiring charts.
2. Adjust the volume of the music source to a comfortable 
level by activating Background...

Installing optional equipment / 289
P0603534  02Modular ICS 6.1 Installer Guide
External paging system (customer supplied)
You can connect an external paging system to provide paging 
over external loudspeakers. The paging output from the 
Norstar ICS is 100 mV rms across an input impedance of 
600 Ω.
1. Follow the installation instructions provided by the 
manufacturer.
2. Connect the paging system audio input to the 50-pin 
distribution block as shown in the wiring charts.
3. Connect the paging system...

290 / Powering up the system
Modular ICS 6.1 Installer GuideP0603534  02
Powering up the system
1. Double-check all wiring before turning the system power 
on. Ensure all outlets where you will plug in the modules 
are non-switchable, third-wire ground AC outlets.
2. Route the module power cords through the lower shelf of 
the cable trough and out through the bottom of the ICS 
cable trough.
3. Route the ICS power cord through the bottom of the ICS 
cable trough.
4. Connect each power cord to an...