AVer System Contrll Pro quick guide - Manual (Page 6)

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1. Cut the 4 single core wires.
2. Using the screwdriver to press down the orange tenon and insert the single core wire into the
pin hole of the I/O terminal on the System Controller. When the wire is inserted in the end of the
pin hole, release the orange tenon to fix the wire.
3. Set the DIP switch of the RS232 to RS485 converter at 4-wire RS485 setting.
4. Using the screwdriver to lose the pin hole of RS485 to RS232 converter. And then, insert
another side of single core wire into the pin hole of the RS485 to RS232 converter. Using the
screwdriver to screw tight the wire. Please refer to the below table for pin-hole matching:
RS485 pin hole of System Controller
RS485 to RS232 Converter site System Controller site
R+ T+ 1
R- T- 2
T+ R+ 3
T- R- 4