GAI-Tronics 370-400 UHF and VHF Page/Party Radio Couplers - Manual (Page 8)

Pub. 42004-432D
Model 370-400 UHF and 370-420 VHF Page/Party
®
Radio Couplers Page: 8 of 13
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Audio and Control Signals
The Page/Party ® Radio Coupler allows access to the audio lines along with relay outputs.
Table 3. P8 - Page/Party ® Interface
Pin
Number
Pin Name
Function
1 P AGE L2 Bi-directional audio for 33-ohm page line
2 P AGE L1 Bi-directional audio for 33-ohm page line
3 P ARTY L2 Bi-directional audio for 33-ohm party line
4 P ARTY L1 Bi-directional audio for 33-ohm party line
Table 4. P7 - Carrier Detect Output
Pin
Number
Pin Name
Function
1 NC Normally closed connection of carrier detect
2 COM Common connection of carrier detection
3 NO Normally open connection of carrier detection