H3C S7500 Series Ethernet Switches Installation Manual

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Installation Manual

H3C S7500 Series Ethernet Switches Chapter 4 Hardware Installation

4-12

Table 4-2 RJ-45 MDI connector pinouts

10Base-T/100Base-TX 1000Base-T

Pinout

Signal Function Signal Function

1 Tx+ Transmit data BIDA+ Bi-directional data cable A+

2 Tx- Transmit data BIDA- Bi-directional data cable A-

3 Rx+ Receive data

BIDB+ Bi-directional data cable B+

4 Reserved

— BIDC+ Bi-directional data cable C+

5 Reserved

— BIDC- Bi-directional data cable C-

6 Rx- Receive data

BIDB- Bi-directional data cable B-

7 Reserved

— BIDD+ Bi-directional data cable D+

8 Reserved

— BIDD- Bi-directional data cable D-

 Note:

Tx = Transmit data

Rx = Receive data

BI = Bi-directional data

Table 4-3 RJ-45 MDI-X connector pinouts