Moxa Technologies C168P user manual Introduction, RS-422 Mode, RS-422/485 Port Switch of Opt8J

Introduction

Opt8J

vRS-422/485 connection box with 8 port female DB25 connectors.

v1.5 meter DB62 to DB62 cable.

v110V or 220V adapter.

C168 P

Rx Tx

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Opt8J

Opt8J is the RS-422/485 connection box with 8 port female DB25 connectors for MOXA 8 port boards, including the C168P. There are 8-DIP switches on the side of the Opt8J. Each switch controls the communication mode (RS-422 or RS-485) of each port, respectively.

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DIP ON

RS-422/485 Port Switch of Opt8J

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DIPON

RS-422 Mode

Set the respective switch to OFF position to use RS-422 interface. This means the port is always ready to transmit and receive data simultaneously (full-duplex).

C168P User’s Manual 1-7