DB-9 AB switch with 4-Male DB-9 Connectors.
To 1 DB-9 Female Port
Ideal for Switching Serial Devices.
Such as GPS, Serial Printers, Small Serial Input Devices, Digital Cameras with Serial Interfaces.
Serial Logic Programmers.
UPC:820799300309
This DB9 ABCD 4-Male 1-Female Ports Switch Box is the best I've used. The picture and sound quality are top-notch and it's built to last.