Crossover Cable Guide

 The pinouts for an Ethernet crossover cable are as follows:
Connector 1
Pinout		 Connector 2
Pinout		 [Diagram of crossover pinout]
1 3
2 6
3 1
4 OPEN
5 OPEN
6 2
7 OPEN
8 OPEN

The TIA-568B Color Standard is: 1 - Orange/White, 2 - Orange, 3 - Green/White, 4 - Blue, 5 - Blue/White, 6 - Green, 7 - Brown/White, 8 - Brown, (From the top left side of the RJ-45 - Backside, Clip down)

T1's use different pins for RJ-48's: Pin 1 = Transmit (Ring) Pin 2 = Transmit (Tip) Pin 4 = Receive (Ring) Pin 5 = Receive (Tip) Crossover for this (T1 loopback plug) is: 1-4 and 2-5

Crossover for DDS 56k is: 1-2 and 7-8

T1's terminated with 15 pin connectors: Pin 1 = Transmit (tip) Pin 9 = Transmit (Ring) Pin 3 = Receive (Tip) Pin 11 = Receive (Ring)

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