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A-2
Cisco Catalyst 4900M Switch Installation Guide
78 -18 35 0- 0 2
Appendix A Specifications
10/100/1000BASE-T Management Port
10/100/1000BASE-T Management Port
The 10/100/1000BASE-T management port is an RJ-45 receptacle with a Link Status LED. Ta b l e A-2
lists the 10/100BASE-T port pinouts.
Catalyst 4900M Switch Power Supply Specifications
The Catalyst 4900M switch 1000 W AC-input power supply (PWR-C49M-1000AC) is shown in
Figure A-1 with the major features identified. The 1000 W DC-input power supply
(PWR-C49M-1000DC) is shown in Figure A-2 with the major features identified. Table A-3 list the
power supply specifications.
Figure A-1 1000 W AC-Input Power Supply (PWR-C49M-1000AC)
Ta ble A-2 10/100BASE-T Port Pinouts
Pin Signal Direction Description
1 RXDP input receive data
2 RXDN input receive data
3 TXDP output transmit data
4 unused
5 unused
6 TXDN output transmit data
7 unused
8 unused
1 Captive installation screw 4 AC-in connector
2 Handle 5 INPUT OK LED
3 Power on/off switch 6 OUTPUT OK LED
232129
2 2
1
1
3
5 6
4