Avaya Bogen Universal Paging Access Module Manuel De Montage
[20]
Connecting the UPAM to an Amplifier's Lo-Z/600-ohm Input (cont’d)
1.
Make sure that the amplifier is turned off or unplugged.
2.
Connect one side of the amplifier’s input to the UPAM PT terminal.
3
Connect the other side of the amplifier’s input to the UPAM PR terminal.
4.
Connect any background music source to the BGM IN jack (RCA-type) on UPAM.
5.
Connect the N.O. and COM terminals to the control pair of the amplifier, if
required.
required.
CAUTION
If the amplifier's input is unbalanced (one side of the input terminal connected
to ground), you must connect the PR terminal on the UPAM to the grounded
amplifier terminal. Reversing these connections can short the BGM source
output. (The LUWMT1A transformer can be used to "float" the unbalanced
input and eliminate this problem.)
6.
Connect speaker loads to amplifier output terminals, if necessary.
NOTE:
Use 22 AWG shielded, twisted pair on all wire runs (COM Code 401882956, PEC
Code: 2734-SPK).
Code: 2734-SPK).
7.
Turn amplifier volume control counterclockwise to minimum.
8.
Turn amplifier on.
9.