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Chapter 2 l l Installation
10
A50/A51 A50/A51
RJ-45 Jack Terminal Block
Connector Pinouts Signals Connector Pinouts Signals
1 nc 1 TxD B
2 nc 2 TxD A
3 GND 3 RxD B
4 TxD B 4 RxD A
5 TxD A 5 GND
6 RxD A 6 Power GND
7 RxD B 7 Power Input
8 GND
9 nc
10 nc(not connected)
Note : Pin 6 and Pin 7 of Terminal Block are for Power GND
and Power Input, which is an alternate option for power
adapter. Be careful that DO NOT confuse RS-422/RS-
485 GND with Power GND.
Note : Under half-duplex mode (SW1 in ON mode), the
couples of (TxD B, RxD B) and (TxD A, RxD A) are
shorted inside the converter for convenience. Users can
save the trouble with shorting the wires.