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BB-485PTBR RS-232 to RS-485 Converter – pluggable terminal block

  • Converts RS-232 signals to RS-485 signals
  • Extends data communication up to 1219 meters (4000 ft)
  • Multi-drop capability - up to 32 receivers per driver
  • Pluggable terminal block for easy wiring
  • Data rate: up to 115.2 kbps
  • Quick, easy inline installation
  • 12 VDC power supply required (not included, sold separately)
Certifications CE FCC RoHS

6 Pc(s) (In Stock)
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More Description

Model BB-485PTBR converts unbalanced RS-232 signals to balanced, full or half-duplex RS-485 signals. RS-485 is an enhanced version of the RS-422 Standard allowing multiple drivers and receivers on a two-wire system. The RS-232 port has a female DB9 connector with pins 2(RD), 3(TD), and 5(SG) supported. Pins 7(RTS) and 8(CTS) are tied together. Also pins 6(DSR), 1(CD), and 4(DTR) are tied together, but not passed through the converter. The RS-485 port has an 8-position pluggable terminal block connector. Model BB-485PTBR supports baud rates from 300 to 115.2K. 12VDC power supply required (not included, sold separately).

Accessory Products



RS-232 to RS-485 Converter – pluggable terminal block

Accessory Products

  • Serial Cable, RS-232 DB9 M to DB9 F, 1.8 m / 6 ft



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Extended Specifications


  • Technology Serial
  • Power 12VDC
  • Mounting Inline
  • Serial Type RS-422/485
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