Appendix A: Technical Specifications

 

Table A-1 Pin Assignments

 

 

 

Pin

 

Assignmenta

 

 

 

1

 

Tx+

 

 

 

2

 

Tx-

 

 

 

3

 

Rx+

 

 

 

6

 

Rx-

 

 

 

a.The “+” and “-” signs are used to represent the polarity of the two wires that make up each wire pair.

A.4 STRAIGHT-THROUGH WIRING

If the twisted-pair link segment is to join two ports on a switch, and only one of the ports has an internal crossover, the two pairs of wires must be straight-through, as shown in Table A-2.

Table A-2 Straight-through RJ45 Pin Assignments

Hub

Device

 

 

 

 

1

(Tx+)

1

(Tx+)

 

 

 

 

2

(Tx-)

2

(Tx-)

 

 

 

 

3

(Rx+)

3

(Rx+)

 

 

 

 

6

(Rx-)

6

(Rx-)

 

 

 

 

Page A-4

Fast Network 10 User Guide

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Enterasys Networks Fast Network 10 manual STRAIGHT-THROUGH Wiring