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
ValueDescription
Up to two DC power modules per systemPower modules per system
750 WTotal 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)
MaximumMaximum
Nominal
NominalMinimum
Nominal
MinimumRange
264 VAC240 VAC220 VAC100 VAC90 VACInput Voltage
63 Hz60 Hz50/60 Hz50 Hz47 HzLine Frequency
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Technical Specifications
DC Electrical Specifications