A simple and compact product, The T1 Loopback Jack and Plug quickly and easily checks the RX/TX pairs of T1 circuit cables helping to determine if a signal exists. It can be plugged directly into a T1 CSU/DSU or can be attached to the end of a network patch cable. If a signal is present T1 Loopback
Features
Easy access with keychain attachment
Check wall jack to network switch connections
Check cables for broken or shorted wires
Color coded by network type for quick recognition
Small, convenient, and economical for network technicians
Plug the Loopback Jack & Plug into any network
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