E1-E1 RJ45 cross-over cable

2011.10.19 - posted in cabling

Here’s how to connect 2 E1 RJ45 interfaces back-to-back:

First End

PIN 1 ORANGE 
PIN 2 WHITE/ORANGE 
PIN 4 BLUE
PIN 5 WHITE/BLUE

PIN 1 BLUE 
PIN 2 WHITE/BLUE 
PIN 4 ORANGE 
PIN 5 WHITE/ORANGE

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