Cisco CAtalyst 4500 Series Installation Manual page 177

Appendix A Specifications
Table A-8 1400 W DC-Input Power Supply Specifications (continued)
Item
DC-input current
Input power
Current draw At –40.5 V (min voltage)
Current draw at –72 V (max voltage)
Max heat dissipation at 1866 W
Maximum KVA rating
Power supply output (DC supply)
DC input terminal block
Output holdup time
Max heat dissipation
78-14409-08
Specification
Data only: 31 A @ –60 VDC
Data and inline devices: 180 A maximum @ –48 VDC input
The input power is configurable in the CLI. The Cisco
Note
IOS command is power dc input. The Catalyst
Operating Sysytem command is set power DC input.
Configure the switch software to match the
requirements of your switch. To learn how to calculate
the DC input current for your system, refer to the
"Calculating DC Input Current" section on page
1866 W (Data only)
46 A
25.9 A
5760 BTUs
179 A max @ 48 VDC
1.87 (data)
9.15 (data and voice)
Data: 12 V @120 A, 3.3 V @ 10 A
Inline devices: 140 A total maximum (35 A maximum each
per 5 channels) @–48 to 60 VDC input
1367 W+ 40 W redundant mode (Data)
2267 W maximum in combined mode (Data)
7500 W maximum each in redundant mode (PoE)
7280 W maximum in combined mode (PoE)
Accepts FCI p/n YAV25L2TC14FX90 or equivalent,
barrel-type lug terminals with 90-degree angle, two- hole
tongue, which accommodates 1/0 AWG size copper wire. The
connector tongue width is 0.82 in, the stud hole spacing is 5/8 in,
and the hole size is 1/4 in.
4 ms
1591 BTUs/hr (data)
2905 BTUs/hr (data and voice)
Catalyst 4500 Series Switches Installation Guide
Catalyst 4500 Series Power Supplies
2-14.
A-13