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Industrial Serial RS232 / 422 to Ethernet Converter - BF-431

SKU: GC-BF-431

MPN: BF-431

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Delivery: Ships same or next business day

Availability: in stock

30 day Money Back Guarantee *Some Exceptions Apply

Warranty: 1 year Comprehensive support for all products

Authorized North America Distributor Stamp

BF-431 is a low cost SMALL (2.6" x 3.6") industrial Single port RS232 or RS422 serial device server that can make your industrial serial devices to be IP / Ethernet network enabled. Configuration and firmware upgrade are available using the network. PPPoE & DDNS protocol makes the user connect to Internet without static IP.

The BF-431 is easy to configure using a simple Web page configuration page. The terminal block on the BF-431 is used for power connection and/or RS422 operation. The RS232 connection is a standard DB9 male. The power connection (9-30VDC) can be made using the INCLUDED wall supply with barrel plug.

LEDs are provided for power, serial transmission and Ethernet activity.

  • DHCP Client
  • PPPoE Over Ethernet
  • Dynamic DNS
  • TCP/UDP server/client support
  • Backup and Restore configuration
  • Full Network Management via Web
  • Auto-negotiating 10/ 100M bps Ethernet
Baud rate 1200 bps to 230.4 Kbps
Certifications CE
Characters t 5, 6, 7, 8 data bits
Connectors DB9 (male)/ RJ-45
Cpu 16 bit CPU, 100MHz
Dimensions 67 x 93 x 22 mm
Flow control XON/XOFF, RTS/CTS
  • Ethernet: 10/100Base-T,half/full duplex
  • Serial RS232 Signals: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
  • Serial RS422 Signals: T+/-, R+/-
Management Support TCP/UDP Server/Client mode. Built-in HTTP/Web server for set up and remote management via any browser easily. Support backup & restore system configuration data
Memory 256 KB ROM & 768KB SDRAM
Mpn BF-431
Parity odd, even, mark, space, none
Ports Serial: 1
Protocols TCP, IP, UDP, Telnet, ARP, DHCP, ICMP, PPPoE, HTTP, DDNS
  • Magnetic Protected: Ethernet port 1.5 KV
  • Surge protection: Serial port 15 KV ESD
Stop bits 1 or 2
Storage specifications Temperature: -20°C to +85° C
Supported os Windows XP, Windows 2000, Windows NT, Windows95/98 ME, Linux, UNIX
Temperature range
  • Operating: 0°C to +65°C
  • Humidity: 5% to 95% RH
Watchdog timer Supported, auto-reset if error


BF-431 Datasheet View (PDF)
BF-431 Quick Start Guide View (PDF)


BF-431 Product CD Download (ZIP)

Tech Support

We have the best technical support engineers that know how to use our products. If our Tech Support cannot solve your problem, we will contact the design engineer or manufacturer to help find a resolution.