User's Manual

A-2

Cisco Catalyst 4900M S witch Inst allati on Guide

78-18350- 0 2

Appendix A Specifications

10/100/1000BASE-T Management Port

The 10/100/1000BASE-T mana gement port is an RJ-45 recept acle with a Link Status LED. Tabl e A-2

lists the 10/100BASE-T port pinou ts.

Catalyst 4900M Switch Power Su pply Specifications

The Catalyst 4900M switch 1000 W AC-input power suppl y (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 Figur e A-2 with the major features identified. Table A-3 list the

power supply specificatio ns.

Figure A-1 1000 W AC-Input Power Supply (PWR-C49M-1000AC)

Tabl e A-2 10/100BASE-T Port Pinouts

Pin Signal Direction Description

1 RXDP input receive data

2 RXDN i nput receive data

3 TXDP outp ut 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 O UTPUT OK L ED

232129

2 2

5 6