Table 2-1. rj-45 pin-outs -3, Table 2-1 – ADC SG-1 User Manual

Page 23

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June 30, 2006

Chapter 2: Installation

SG1-UM-8500-03

2-3

Table 2-1. RJ-45 Pin-Outs

Figure 2-1

shows the pin-outs for straight-through and cross-connect cabling.

Figure 2-1. Straight-Through and Cross-Over Cable Pin-Outs

MDI Pin Number

MDI-X Pin Number

Signal

a

a.NC = no connection.

Symbol

Direction

1

3

Transmit Data (+)

TX+ (TX0+)

Out(Bidirect)

2

6

Transmit Data (-)

TX-(TX0-)

Out(Bidirect)

3

1

Receive Data (+)

RX+(TX1+)

In(Bidirect)

4

4

NC

(TX2+)

(Bidirect)

5

5

NC

(TX2-)

(Bidirect)

6

2

Receive Data (-)

RX-(TX1-)

In(Bidirect)

7

7

NC

(TX3-)

(Bidirect)

8

8

NC

(TX3+)

(Bidirect)

case

case

Chassis Ground

Cable jack

Cable jack

Cable jack

Cable jack

Receive

Receive

Transmit

Transmit

Transmit

Transmit

Straight-through cable

Cross-over cable

3

6

3

6

3

6

3

6

1

2

1

2

1

2

1

2

MDI-X port

(data network device)

MDI port

(data network device)

MDI port

(management card)

MDI port

(management card)

3

6

1

2

3

6

1

2

3

6

1

2

3

6

1

2

Receive

Receive

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