Professional Cable manufactures serial cables, extensions, and adapters. Serial cables use DB9, DB25, PS/2, Din 5, and MD6 connectors. RS232 is a serial data transmission that is still commonly used in medical devices, fitness equipment, printers, keyboards, and mice to name a few. USB or Universal Serial Bus has replaced some of the DB9 and DB25 connections because of its smaller size and high-speed and large data-tranmission capacity.
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| Serial Extension Cables - RS232 - DB9, DB25, & PS/2 |
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| PS/2, DB9, DB25, MD6, Din 5, Serial Adapters |
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| DB9 and DB25 Adapters and Cables |
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