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422pp9tb b&b logo

Two Channel, Port Powered Converter RS-232 to RS-422

US Prices
CDN Prices

Privacy and Security Policy

General Product Information

Get 4,000 Foot Range With 9-Pin, Port-Powered Converters B&B's port-powered RS-422 converters change TD and RD RS-232 signals to balanced RS-422 signals. Model 422PP9TB is powered from the RS-232 handshake lines DTR and RTS, regardless of whether these lines are high or low. No handshake control is necessary to operate the unit and the RS-422 driver and receiver are both always enabled.

The 422PP9TB can be externally powered with a 12 VDC power supply. RS-232 Connector, DB9 Female. RS-422 Connector, Terminal Blocks.

For DB25 female version see 422LPCOR .

Features and Details

  • DB9 Female on RS-232 Side
  • Terminal Block on RS-422 Side
  • Powered from RS-232 DTR or RTS - One of these must be present, either high or low, to power the converter
  • Data rates up to 115.2 Kbps
  • FCC Class B
  • CE


Power Range AC: 0 to 0 Temp Range: 0 to 70
Mounting / Packaging: In Line UL: No
Class 1 Division 2: No Modbus: No
Power Max AC: No Automatic Send Data Control: No
Power Range DC: 12 to 16 Power Source: Port, External
RS-232: No RS-422: No
RS-485 2 Wire: No RS-485 4 Wire: No
TTL: No Current Loop: No
Multi-mode Fiber: No Single Mode Fiber: No
Isolation: No 3-Way Isolation: No
Brand: B&B Electronics    

Buy 422PP9TB on-line:
USA Office

Address: 1480 Gulf Road, Suite 837,
PO Box 1364
Point Roberts, WA 98281

Western Canada - Vancouver BC

Tel:1.800.663.6001 or 1.604.925.6150
Address: 2454 Haywood Ave
West Vancouver, BC V7V 1Y1

Eastern Canada - Markham, Ontario

Tel:1.800.465.0164 or 1.905.513.7027