Here is a picture of a cable I created for a loopback.
This is the retired Shane Killen personal blog, an IT technical blog about configs and topics related to the Network and Security Engineer working with Cisco, Brocade, Check Point, and Palo Alto and Sonicwall. I hope this blog serves you well. -- May The Lord bless you and keep you. May He shine His face upon you, and bring you peace.
Sunday, January 20, 2013
T1 Crossover Cable: How To Make One
I seems like every time I do a ShoreTel install (or tie two phone systems together), I always have to make up a T1 crossover cable so that I can tie the ShoreGear equipment to the ISP device (usually a Cisco router with a T1 CSU/DSU module). And, I always have to look up the pinout so I can make the cable correctly. So, I thought Id put the pinout up here so that I can reference it later and so that it might help you all who might be looking to make one. You can also dub this as a Loopback cable. I usually do this with just one RJ45 connector and route the wire from 4 and 5 to 1 and 2.
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