Be sure that the chassis configuration complies with the required power budgets. Failure to properly verify
the configuration may result in an unpredictable state if one of the power units fails. Contact your local
sales representative for assistance.
Caution
DC Electrical Specifications
Table 24: DC Electrical Specifications
Value
Description
Up to two DC power modules per system
Power modules per system
750 W
Total DC input power per power module
–
48 VDC nominal in North America
–
60 VDC
nominal in the European Community(range:
–
40.5 to
–
72 VDC [
–
75 VDC for 5 ms])
Rated input voltage per power module
15 A maximum at
–
48 VDC nominal
15 A maximum at
–
60 VDC nominal
Input current rating
For each DC power supply module. Some
power/chassis configurations may operate
at lower current ratings than those specified
in this table. Contact your Cisco technical
representative for more information.
Note
Sufficient to supply the rated input current. Local
codes apply.
Source DC service requirement1
Power redundancy requirements vary, based on
system configuration (number and type of line cards,
etc). AC powered systems are 2N protected and DC
powered systems are N+1 protected.
Redundancy
AC Input Voltage Range
Table 25: AC Input Voltage Range (Single-Phase Power Source)
Maximum
Maximum
Nominal
Nominal
Minimum
Nominal
Minimum
Range
264 VAC
240 VAC
220 VAC
100 VAC
90 VAC
Input Voltage
63 Hz
60 Hz
50/60 Hz
50 Hz
47 Hz
Line Frequency
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Technical Specifications
DC Electrical Specifications