Tuesday, July 16, 2019

General IT: Crossover, Straight through and Loopback cables

When ever I am installing a new PRI or connecting two PBX's together I always need to make a cross over cable and I always end up having to look up the pin out. So I thought I would just add it here and make it easy on myself for future reference.

Straight Through patch cable



T1 Crossover Cable



T1 Loop-back