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RS232-RS485/422 Compare

Main functions:

  • Protocols conversion: RS232 to RS485 or RS422
  • RS232 interface: DB9
  • Power supplier: 90-230V~, 50-60Hz
  • Connection data adjustable by switches




Protocol converter RS232 - RS485 / RS422 committed for convertion of RS232 signal to RS485 or RS422 and vice versa.


  • line noise protection;
  • device work is independent from sent data;
  • can be used, even with devices that has different potential;
  • reliable long distance connection.


Max number of supported devices 32
RS485/RS422 line distance 1000m
Supported data transfer modes asynchronous, hull/half duplex or simplex
Data transfer speed 100 kbit/s
Termination resistor 120 Ωm, switchable by micro switch
Direction control over RTS, CTS, DTR or automatic
Electricity insulation breakdown voltage >1,5 kV
Power consumption 3W
Power 90-230V~, 50-60Hz
Dimensions 45mm x 75mm x110mm
Weight 0,25 kg
Mounting type on DIN rail
Indication LED's on front pannel
Operating conditions from - 10 oC to + 50 oC, humiditty 80 %, non-condensing
Storage conditions from  - 20 oC to +70 oC

First interface
RS232distance up to 15m, speed up to 19,2Kbit/s
Second interface
RS485or RS422distance up to 1,2km, max 32 transivers, speed up to 19.2 Kbits/s
One-phase power56-240V~ AC, 50-60Hz
Regulatory approvals
Electromagnetic compatibilityLST EN 61000-4-5:2002+A1:2003
LST EN 55022:2000+A1+AC:2002+A2:2003
LST EN 55024:2000+A1:2003+A2:2003
LST EN 61000-4-2+A1+A2:2002
LST EN 61000-4-3+A1:2004
LST EN 61000-4-4:2005
LST EN 61000-4-5:2002+A1:2003
LST EN 61000-4-6:2002+A1:2003
SafetyLST EN 60950-1:2006
LST EN 60950-1:2006/A11:2009
LED indication
Serial ports read/write for each port+
Physical characteristics
Dimmensions45x75x110 mm
Weight250 g
Climate conditions
Operating temperature-25..+60 °C
Storage temperature-40..+60 °C
Humidity range5-95%, non-condensing
Other fuetures
24 months warranty period+

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