RS232 and RS485 are both fitted but provide independent operation
RS232 Serial
port
Non – Isolated port
Max Baud rate 115200 baud subject to S/W
TX, RX, RTS, CTS, DSR, DTR, DCD
Male 9 way D type connector
Max distance 15m (50 feet)
RS485 Serial
port
Isolated
Data connection 2 wire + common
Half Duplex
Data direction control for Transmit (by s/w protocol)
Max Baud Rate 115200
External termination required (120Ω)
Max common mode offset 70V (on board protection transorb)
Max distance 1.2km (¾ mile)
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