RS-232 to RS-422/485 (BM-100CE)


SKU: BM-100CE. Category: .

Meets European CE import requirements – Declaration of Conformity  [PDF]

Converts RS-232 to RS-485/422 and automatically controls RS-485 transmitter-enable independent of baud rate, without software or jumpers. Converter includes stainless steel enclosure. To meet European CE import requirements the BM-100CE version must be powered by duTec wall-plug adapter with included ferrite rings. Operates from 9-24 Vac – Vdc wall plug adapter.

Isolation: 1200V, Equipment -to- Line -to- Power
Baud Rates: Up to 115K baud
Range: 4,000 feet (1200 meters) @ 38.4K baud with 24 AWG twisted pair
Drive: Up to 32 RS-422/485 receivers
Compliance: CE, FCC Class A
Power: 9 – 24 V ac/dc @170 mA nominal Wall-plug adapters are available from Dutec. Screw terminals are also provided for use with other power supplies.
Enclosure: Stainless Steel; weight 11oz (308 gms)
3″ h x 5″ w x 1″ d
76 mm x 127 mm x 25mm


Power Red LED
Line Side Rx, Tx Red LEDs
Equipment Side Rx, Tx Red LEDs


Equipment Side
RS-232 DB9F
RS-422/485 #16 screw terminals
Line Side
RS-422/485 #16 screw terminals
Termination resistors Not included
Biasing resistors 10K ohms
Wall-plug adapter Power Jack, 0.1″ dia
Direct #16 screw terminals


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