User's Manual

A-4
Cisco Catalyst 4900M S witch Inst allati on Guide
78-18350- 0 2
Appendix A Specifications
Catalyst 4900M Switch Power Supply Specifications
Figure A-3 DC Power Cable Lug Dimensions
Table A-3 lists the AC-input and the DC- input power supply spec ifications.
90 degrees +/- 5 degrees
.25 in
(6.35 mm)
0.50 in
(12.7 mm)
0.09 in
(2.29 mm)
1.25 in
(31.75 mm)
0.81 in
(20.574 mm)
1.16 in
(29.464 mm)
1.47 in
(37.3 mm)
0.62 in
(15.75 mm)
0.22 in
(5.588 mm)
0.34 in
(8.64 mm)
0.27 in
(6.858 mm)
Beveled wire entry
331382
Tabl e A-3 Catalyst 4900 Series Power Supply Specifications
Item Specification
AC-input power supply
Power supply outpu t 960 W
Power supply diss ipation 240 W
AC-input 12 A maximum @ 100 VAC
5 A maximum @ 240 VAC
AC frequency 50 to 60 Hz
Output current 80 A maximum