Bolin Technology BC-7 Series User Manual page 29

d) RS485 Connection: RJ45 to RS422/232 Phoenix terminal contact adaptor: Use extension
cables included to make RS485 connection for your control device.
NOTE: Use RS422 ports for RS485 connection. Only use TX+ and TX- for RS485 connection.
•
Make the RS485 connection as following pinout definition instruction:
•
If you have more than one HDBaseT receivers to make multiple camera connection for RS485 daisy
chain control
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