Cisco SCE8000 GBE Installing - Page 12

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Cisco SCE8000 GBE Installing
DC-Powered Systems
Table 4-5
Table 4-5
Specification
PWR-2700-DC/4 minimum
capability
DC-input power consumption
DC-input voltage rating
DC-input current rating
DC-input cable
DC-input circuit breaker
The DC supplies each have the provision for a dual connection to the power source in order to permit
Note
high-power operation without exceeding current ratings. For the Cisco SCE8000, it is not necessary to
connect both of these inputs to DC power sources; it is sufficient to connect only the '1' connections.
Cisco SCE8000 10GBE Installation and Configuration Guide
4-12
lists the Cisco SCE 8000 DC power specifications.
Cisco SCE 8000 DC Power Supply Specification
Acceptable Range
1350 W output (1750 W input)
•
•
-48 VDC to -40 VDC
(operating range: -40.5 VDC to -72 VDC)
45 A maximum at 120 VAC
Accepts 2-14 AWG copper conductors. Actual size of the wire
needed is determined by the installer or local electrician.
Terminal block material rated at 150°C (302°F).
For multiple DC input power supplies, each DC input must be
protected by a dedicated two-pole circuit breaker or a fuse.
The circuit breaker or the fuse must be sized according to the power
supply input power rating and any local or national electrical code
requirements.
Single SCE8000-SCM-E module:
1000 W (21 A @ 48 VDC, 17 A @ 60 VDC)
Dual SCE8000-SCM-E modules:
1430 W (30 A @ 48 VDC, 24 A @ 60 VDC)
Chapter 4 Installing the Cisco SCE8000 Chassis
OL-21054-04