Industrial Passive RS232 To RS485 Bi-Directional Converter, Terminal Block Interface, No External Power

Interface

EIA/TIA RS232C/RS485 standard

Electric interface

RS232C—DB9 female head (hole-type)

RS485—3PIN flange head

Operation mode

asynchronous half-duplex

Transmission medium

normal line, twisted-pair or shield line

Transmission rate

300~230400bps

Transmission distance

15m (RS232C)

1200m (RS485)

Transmission protocol

transparency

Operating temperature

– 40 ℃ to 85 ℃

Humidity

5~95%RH

Signal

RS232—TXD, RXD, GND. RTS and CTS internal short-circuit.

RS485—485A, 485B, GND