B&B Electronics 485SD9RJ line-powered RS-232 to RS-485 converter.

This unit is open box / new old stock and has been tested working.

The converter allows RS-232 serial communication to interface with a 2-wire RS-485 network using an RJ11 connection. It is line powered from the RS-232 side, so no separate external power supply is required.

Features

* Brand: B&B Electronics

* Model: 485SD9RJ

* RS-232 to RS-485 converter

* RS-232 connector: DB9 female

* RS-485 connector: RJ11

* 2-wire half-duplex RS-485

* Line powered

* No external power supply required

* Automatic transmit/receive control

* Supports serial communication up to 115.2 kbps

Condition / Testing

Open box, tested working.

Unit has been bench tested and is functioning properly.

Original B&B Electronics packaging is included. Packaging shows normal wear from storage.

Included

* B&B Electronics 485SD9RJ converter

* Original labeled packaging

No cables, adapters, power supply, or other accessories are included unless specifically shown in the photos.

Compatibility

This is legacy serial communication hardware. Buyer is responsible for confirming compatibility with their existing RS-232/RS-485 equipment, wiring, baud rate, and application.

Product information

* Manufacturer: B&B Electronics

* Model / MPN: 485SD9RJ

* Type: Serial Data Converter

* Interface 1: RS-232

* Interface 2: RS-485

* Connector: DB9 Female to RJ11

* Power: Line powered

Tested and working. Sold exactly as pictured.

B&B Electronics, MPN: 485SD9RJ, Type: Serial Converter, Interface: RS-232 / RS-485, Connector A: DB9 Female, Connector B: RJ11, and Condition: Open Box.