
Figure 4 shows the wiring diagram for connecting microphones to an Avaya Telephone Paging Amplifier.
  | 
  | 
  | MIC VOLUME  | 
  | |
  | 
  | 
  | TEL VOLUME  | 
  | |
  | 
  | 
  | ALC  | 
  | 
  | 
  | 
  | APHEX  | MUSIC IN  | ||
  | 
  | 
  | 
  | ||
  | CONTROLS  | 
  | MIC  | 
  | 
  | 
  | COM  | BAL  | 
  | GND  | |
TEL  | MIC  | 
  | |||
+  | 
  | 
  | |||
  | BRIDGING  | 
TEL  | CONTACT  | 
BAL  | RING  | 
T  | R  | 
TEL
RING
Figure 4. Typical Connections to a Telephone Paging Amplifier
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