Cisco 8800 Series Hardware Installation Manual page 70

Power Module Overview
Note Use only the same capacity power module in the chassis. Do not mix different capacity power modules.
High-Voltage AC / DC Power Supplies
HVAC/HVDC power modules operate in the input range of 180 VAC to 305 VAC (nominal input level of
200 to 240 VAC, 277 VAC) and 192 to 400 VDC (nominal 240 VDC, 380 VDC).
• PSU6.3KW-20A-HV: Each 6.3 KW, 20A power module can supply up to 6.3 KW to the power tray
when it's supplied by two feeds (A and B). It can supply up to 3.15 KW with only one feed.
• PSU6.3KW-HV: Each 6.3 KW, 30A power module can supply up to 6.3 KW to the power tray when
it's supplied by two feeds (A and B). It can supply up to 4.8 KW with only one feed.
DC Power Supplies
There are two types of DC power modules supported on Cisco 8800 router series:
• PWR-4.4KW-DC-V3: The 4.4KW power supply that accepts a nominal input voltage of 48V 60A DC,
with an operational tolerance range of -40 to -72 VDC.
Figure 50: PWR-4.4KW-DC-V3
• PSU4.8KW-DC100: The 4.8KW power supply that accepts a nominal input voltage of 48V 100A DC,
with an operational tolerance range of -40 to -75 VDC.
Hardware Installation Guide for Cisco 8800 Series Routers
64
Powering on the Router