#{ '$' + (selectedVariant.price/100).toFixed(2) } $249.00

Ethernet TCP/IP controller, 4 Serial Ports- RS232/RS422/RS485- BF-440

SKU: GC-BF-440

MPN: BF-440

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-440 is a low cost industrial 4 port RS232 or RS422 or RS485 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-440 is easy to configure using a simple Web page configuration page. The terminal blocks on the BF-440 is used for all connections except for the RJ45 Ethernet connection. The power connection (9-30VDC) can be made using wired in directly to the terminal block.

  • 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 - 230.4Kbps
Certifications CE
Characters t 5, 6, 7, 8 data bits
Connectors DB9 (female)/ RJ-45
Cpu 16 bit CPU, 100MHz
Dimensions 127 x 37 x 110 mm
Flow control XON/XOFF, RTS/CTS
Indicators led Power, Serial Transmission, Ethernet Activity
  • Network: Ethernet 10/100Base-T, half/full duplex, Auto Cross Over, 1.5 KV Magnetic protected
  • COM2 - RS232/485 - TxD,RxD,GND(RS232, D+, D-(RS485)
  • COM3 - RS232/485/422 - TxD,RxD,GND(RS232), D+, D-(RS485) T+, T-, R+, R-(RS422)
  • COM4 - RS232 - TxD, RxD, GND
  • Serial: All Terminal Block connections
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. User name & password protected for web management
Memory 256 KB ROM & 768KB SDRAM
Mpn BF-440
Parity odd, even, mark, space, none
Ports 4 serial ports
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
Serial interfaces 369
Serial types 372,370,371
Stop bits 1 or 2
Storage specifications Temperature: -20°C to +85°C
Supported os Windows XP, Windows 2000, Windows NT, Windows 95/98 ME, Linux, UNIX
Temperature range
  • Operating: 0°C to +65°C
  • Humidity: 5 to 95% RH
Watchdog timer Supported, will auto-reset if error


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.



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