Appendix A Specification - Cisco Catalyst 4900 Series Installation Manual

Management Port
Management Port
Catalyst 4900 Series Switch Installation Guide
A-2
The 10/100BASE-T (Catalyst 4948) or 10/100/1000BASE-T
(Catalyst 4948-10GE) management port use an RJ-45 receptacle with a Link
Status LED. Table A-2
Table A-2 10/100BASE-T Port Pinouts
Pin Signal
1 RXDP
2 RXDN
3 TXDP
4 unused
5 unused
6 TXDN
7 unused
8 unused
Table A-3 lists the 10/100/1000BASE-T port pinouts.
Table A-3 10/100/1000 BASE-T Port Pinouts
Pin Signal
1 TXRX0P
2 TXRX0N
3 TXRX1P
4 TXRX2P
5 TXRX2N
6 TXRX1N
7 TXRX3P
8 TXRX3N
lists the 10/100BASE-T port pinouts.
Direction Description
input receive data
input receive data
output transmit data
— —
— —
output transmit data
— —
— —
Description
Bidirectional data pair 0
Bidirectional data pair 0
Bidirectional data pair 1
Bidirectional data pair 2
Bidirectional data pair 2
Bidirectional data pair 1
Bidirectional data pair 3
Bidirectional data pair 3
Appendix A Specifications
78-18039-02