Adjuncts and Peripherals
Music-on-hold
838
SI Installation and Upgrades
June 2004
7
Connect -48V to pin 5 and -48V RET to pin 2 of J3 on the 909A/B. The power source may be an
1151A, 1151A2, or other approved power supply.
8
Administer the switch for the new equipment.
Figure 328: Typical nonregistered equipment connections (auxiliary access) for an
MCC1, SCC1, or CMC1Media Gateway
NOTE:
A wiring block must be locally engineered.
Figure notes
1
Customer-supplied music source
2
A25D 25-pair cable to auxiliary trunk circuit
pack
3
909A/B universal coupler
4
Part of main distribution frame
5
Power supply for universal coupler
6
103A or modular wall jack
7
4-pair modular cord
8
Tip and ring wires
J2
J3
J1
5
2
4
5
4
5