3Com Switch 4500G 24-Port Switch 4500G 48-Port Switch 4500G PWR 24-Port Switch 4500G PWR 48-Port Switch User Manual


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Ethernet Port RJ-45 Pin Assignments 57
Table 11 Pin assignments
Pin Number 10/100 1000
Ports configured as MDIX
1 Receive Data + Bidirectional Data B+
2 Receive Data − Bidirectional Data B−
3 Transmit Data + Bidirectional Data A+
4 Not assigned Bidirectional Data A−
5 Not assigned Bidirectional Data D+
6 Transmit Data − Bidirectional Data D−
7 Not assigned Bidirectional Data C+
8 Not assigned Bidirectional Data C−
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