A-2
Cisco Catalyst 4900M Switch Installation Guide
78-18350-02
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. Table 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-11000 W AC-Input Power Supply (PWR-C49M-1000AC)
Table A-210/100BASE-T Port Pinouts
PinSignal DirectionDescription
1RXDPinput receive data
2RXDNinput receive data
3TXDPoutp ut transmit data
4unused — —
5unused — —
6TXDNoutput transmit data
7unused — —
8unused — —
1Captive installation screw 4AC-in connector
2Handle 5INPUT OK LED
3Power on/off switch 6OUTPUT OK LED
232129
2 2
11
3
56
4