Black Box 1-800-316-7107

Helping you is our priority at Black Box.

We're committed to providing the best customer service in the industry. We're here for you, 24/7, 365.

We'll call you

A technical expert will call you shortly.

Submit Connecting call...

Call Us

Customer Sales & Service Support

Black Box Brand Product Support

IT Services & Voice Support

Send us a FAX

Serial Converters

Serial converters for a wide variety of datacom applications.


Showing 1 - 2 of 2 Product results


TAA Compliance

Inteface Type

Interface Type


RS-422 and RS-485 Optical Isolator/Repeater


Protect your lines while making RS-422/RS-485 connections.

RS-232 to RS-422/RS-485 Opto-Isolated Converter, DB9 Female


Convert RS-232 to RS-442/485 while protecting your lines.

Black Box products can be conveniently purchased through a broad range of qualified distributors and resellers located around the globe