Auto Data Flow Control for RS485/422
Surge protection for RS485/422
Auto-detect/switching between RS485 and RS422
4-wire RS485
Photo Couple and DC to DC Isolation

Specifications

Connector
RS232 : DB9 Female
RS422/485 : 4-screw Terminal Block

RS-232
ESD Protection : 15KV
Signal Isolation : Photo couple 2KVrms
Power Isolation : 3KVdc
Pin Configuration
Pin #1~#5 : DCD , RXD , TXD , DTR , GND
Pin #6~#9 : DSR , RTS , CTS , RI

RS422/485
ESD Protection : 15KV
Surge Protection : Yes
Signal Isolation : Photo couple 2KVrms
Power Isolation : 3KVdc
Topology : Half/Full Duplex Auto Detect
Terminator : Select for 120 Ohm
Pin Configuration
RS485 : Data+, Data-
RS422 : Rx+, Rx-, Tx+, Tx-

Cable Length : 1,200m (4,000′) (max.)
Data Rate : Up to 100Kbps Under 1,200m (4,000′)
Baud Rate : Auto Detection
LED Red : Power
LED Green : Tx/Rx Transmission Direction
Power Range : DC 9V to 24V
Power Consumption : < 0.5W
Power Protection : Wrong Polarity Input Protection
Housing : Plastic case
Dimension : 70 x 100 x 25 mm (W x D x H)
Operating Temperature : 0ºC ~ 60ºC, 5~95% RH
Storage Temperature : 0ºC ~ 70ºC, 5~95% RH
Approvals : CE, FCC

Package Contents
1 x RS232 to RS422/485 unit
1 x DB9 Male-Female Pin-to-Pin extension cable
1 x Power supply