Feature

●100% Brand New, High Quality
●2 in 1 serial loop back tester for both db9 for db25 connections.
●Allows you to test transmission and receiving lines by looping the signal back from one to the other on the same connection.
●Great for troubleshooting issues on serial interfaces. Testing software not included.


Description

2in1 Serial DB9 DB 9 Female/F + DB25 DB 25 Female/F Loop Back Tester Adapter