
Trunk Port Connections - Ground Start (cont'd)
9.
Connect UPAM +24/48V terminal to PBX ground.
NOTE:
Usually the AC GND terminal on the included 48-volt power supply can be used to
provide this connection.
10.
Connect power supply + and - terminals to +24V/48V and -24V/48V terminals on
UPAM, respectively. Plug the power supply into a grounded 110V AC wall outlet.
11.
Call the system and adjust the volume of the page using the paging system's
amplifier volume control.
12.
Hang up and adjust the background music level using UPAM BGM VOL control.
13.
Call the system and adjust the volume of the pre-announce tone using UPAM
TONE VOL control.
Figure 3. Trunk Port Connection: Ground Start Trunk Port
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