TELIKOU
WS-4A Two-Channel 4-Wire Speaker Station
2
WS-4A Rear Panel
1. Headset connector
4-pin XLR Male or 5-pin XLR female connector
EARPHONE: Dynamic 50-2000 ohm
MICROPHONE: Dynamic 100-600 ohm
The wiring of headset is as follows:
Pin 1--Mic common
Pin 2--Mic hot
Pin 3--headphone common
Pin 4--headphone hot
Pin 5—Null
2. Panel Mic Connector
WS-4A(G) uses a double-purpose connector which supports XLR plug or 1/4inch plug
unbalanced microphone.
The wiring of 3-pin XLR microphone is as follows:
Pin 1 -- Mic common
Pin 2 -- Mic hot
Pin 3 -- Null
WS-4A(P) uses an internal microphone.
3. Talk Light and B Channel Call Light
This LED lights Green when Talk button is pushed ON.
This LED lights Red when Pin7 of Channel B intercom cable receives a high level.