Loudspeaker Paging With Universal Coupler - Avaya CMC1 Installation Manual

Adding or Removing Hardware
Install paging and announcement equipment

Loudspeaker paging with universal coupler

An information outlet provides access to loudspeaker paging. The system side of the main distribution
frame connects to a 909A/B universal coupler. Make provisions for the DC power that the 909A/B
universal coupler requires, such as a 1151A, 1151A2, or other approved -48VDC power supply.
Six leads (T, R, SZ, SZ1, S, and S1) connect the adapter to an auxiliary trunk circuit pack located in a port
carrier.
1
Determine port assignment of paging zone(s) from loudspeaker Paging form.
2
Identify carrier slot and label both ends of an A25D (male to male) cable.
3
Connect a cable from the 909A/B to the system side of the main distribution frame. A wiring
block must be locally engineered.
4
Install 909A/B universal coupler
909A/B universal coupler and the wiring blocks.
CAUTION:
Damage to the 909A/B may occur if the cable is plugged into J3 before all cross-connects
are completed.
5
On the 909A/B universal coupler:
•
Connect seizure control voltage of from -9 to -70 volts to the PG2/BZ2 connection (pin 2
of J1). Switching voltage to the PG2/BZ2 connection can be from the 909's -48-volt
supply.
•
Connect a -48 VDC power source to the -48 and GRD terminals on the 909A/B.
6
Install patch cord/jumper wires at the main distribution frame.
7
Connect a 2-pair line cord (modular plug at one end) from the information outlet to the
loudspeaker system.
8
Install loudspeaker equipment according to the manufacturer's instructions.
9
Connect an approved -48 VDC power source to the -48 and GRD terminals (pins 5 and 2,
respectively, of J3).
10
Administer the switch for the new equipment.
NOTE:
For additional installation information, refer to 909A/909B Universal Coupler Installation
Instructions, which is normally shipped with the 909A/909B Universal Coupler.
328
on page 318 provides details of the connections between the
Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
June 2004