The Company

Media Converter-RS 485 to 232

CMS NETEX-101 is a RS232 to RS 485 converter is designed for high-speed data transmission between computer system and or peripherals over long distance under high noise conditions. They provides dual line interface per signal.


Applications

Application for these converters can be for factory automation, programmable logic controllers, attendance recording systems, Barcode Readers, remote data transmission, remote terminals, EPABX etc.


Technical specifications

 
Input (RS 232C) RS232C - TxD, RxD, DSR (for control), GND
Output (RS485) RS485 – Tx+, Tx-, Rx+, Rx-
Signal Protection Each signal is protected by spike suppressor, Opto-Isolation, Fuse protection
Selection Switch – 1 Rear side has 2 way Select switch for Selecting 2 wire or 4 wire mode in RS422 / RS485.
Selection Switch – 2 1.  Rear side has 3 way Select switch for selecting AUTO Mode (no Handshaking Signal),
2.  DSR+ Mode (+12V Control) for controlling data flow
3.  DSR– Mode ( -12V Control) for controlling data flow
Maximum Distance 1.2 Kms. @ 19,200 bps
Output Cable Shielded twisted pair cable –90 Ohms/km. (Not supplied)
Transient Protection 2500 V Peak
Indication Power LED, LED Rx, LED Tx, DSR
Power Supply 230 V, 50 Hz
Size 117 mm x 105 mm x 55mm