This DB9 to RJ45 Adapter is used for modular RS232 RS422 and RS485 connections.

DB9 to RJ45 Modular Adapter

Connecting your computers serial port to the RJ45 console port on your Cisco router 6ft Cisco Console Cable 6 ft Serial Console Cable RJ45 (m) DB9 (f) 6 ft

2m Black DB9 Serial Cable MF

USB to RS232 DB9DB25 Serial Adapter The ICUSB232DB25 3foot USB to RS232 Serial Adapter Cable lets you connect 9pin (DB9) or 25pin (DB25) RS232 serial devices to your laptop or desktop computer...

Add an RS232 serial port to your laptop or desktop computer through USB 1 Port USB to RS232 Serial Adapter Cable MM USB to Serial Converter Windows 8 USB to Serial Port 921.6 Kbps USB to RS232...