How to Make a T1/PRI Loopback Plug
Aug 3rd, 2009 | By Jason Isaacs | Category: NEC Aspire, NEC DSX, NEC UX5000, SamsungStart by cutting off about a 12 inch piece of 1 pair cross connect wire or some other type of phone wire. The length isn’t really important, just give yourself enough to work with. Next you will need an RJ45 crimp on plug and a RJ45 crimping tool. The pin-out for a T1 loop back is pin [...]