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1. Ground
2. RS-485B
3. RS-485A
4. Relay input
5. Relay output
6. +5 VDC, 200 mA max. output for relay drive
0 — External device
l
* — Relay
l
** — Switch
l
Note: The 5 V connection can be used to energize a relay coil with up to 200 mA. If more than 200
mA is required, an external power supply up to 25 VDC at 120 mA can be used.
The pinout for the connector is shown in the following diagram:
The wiring for the connector pinout is shown in the following table:
Pin
1
3
Connecting to External Devices
Purpose
Audio IN
GND
Wire
Red
Yellow
12
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