AT&T System 75, Wiring Diagram

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CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION
Installation—FCC Registered Music Source
Install a FCC registered music source as follows:
1.
2.
3.
4.
5.
Determine feature port assignment from Feature-Related System
Parameters Form:
EXAMPLE: Port Number
B
0 2
0 1
Carrier Slot Circuit
Install music source per the manufacturer’s instructions.
Connect a line cord (modular plug at one end) from the information
outlet to the music source (Figure 5-9).
Install patch cord/jumper wires at the cross-connect field.
Administer per AT&T System 75 and System 75 XE—Implementation
( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75
XE—Administration (555-200-500).
Installation—Non-FCC Registered Music Source
Install a nonregistered FCC music source as follows:
1.
2.
3.
4.
Determine feature port assignment from Feature-Related System
Parameters Form:
EXAMPLE: Port Number
B
02
01
Identify carrier slot and place a label on both ends of an A25D
cable.
Connect the A25D cable from the assigned port carrier slot to the
25-pair connector on the auxiliary cabinet ED-1E443-10
Carrier Slot Circuit
intra-connection panel (Figure 5-10).
Connect an A25D (for 110-type hardware) or B25A for 66-type
hardware) cable from the 25-pair connector on the ED-1E443-10
intra-connection panel to the switch side of the cross-connect field
(Figure 5-10).
5-19