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1-6
Cisco AC/DC Power System User Guide, R1.0
May 2006
Chapter 1 Introduction
1.1.6 General Specifications
1.1.6 General Specifications
Table 1-2 provides cabling specifications for the Cisco AC/DC Power System.
Table 1-3 provides electrical specifications for the Cisco AD/DC Power System.
Table 1-4 provides protection specifications for the Cisco AC/DC Power System.
Table 1-1 System Configurations
Configuration Rectifiers Distribution
Output at
220V AC
Output at
110V AC
Small Systems 2 CSCO-PWR-RECT Modules 10-position GMT Fuse
Block
32A 13.3A
Medium Systems 3 CSCO-PWR-RECT Modules 10-position GMT Fuse
Block
4- position 1RU DC
Distribution Shelf
64A 26.6A
Large Systems 4 CSCO-PWR-RECT Modules 10-position GMT Fuse
Block
4- position 1RU DC
Distribution Shelf
96A 40A
Table 1-2 Cabling Specifications
From To Wire Gauge Ampacity
System Shelf 1U DC Distribution
Shelf
4 x 6AWG (16mm²)
(intra-shelf cabling)
96A (max)
Circuit Breakers Load 10 - 8AWG
(6mm² - 10mm²)
30A (max)
GMT Fuse Block Load 16 - 14AWG
(1.5mm² - 2.5mm²)
15A (max)
AC Service Panel System Shelf 3 conductor 14AWG
(2.5mm²) per AC input
9.1A x (4) inputs
<37A Total
Table 1-3 Electrical Specifications
Electrical Value
Input Voltage (A) 100-120VAC
(B) 200-250VAC
Input Frequency 44-66 Hz.
Transient Response +/- 4%, recovery time 2ms
Load Sharing +/- 5% of nominal current