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Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
OL-13208-11
Chapter 2 Cisco ASR 1000 Series Routers Component Overview
Power Supplies for the Cisco ASR 1002 Router
Power Supplies for the Cisco ASR 1002 Router
Note Unless otherwise noted, the Cisco ASR 1002-F Router and the Cisco ASR 1002-X Router supports all
the general-purpose routing and security features of the Cisco ASR 1002 Router and uses the same
internal control and data-plane architecture as Cisco ASR 1002 Router. The Cisco 24 V power supply is
currently supported only on the Cisco ASR 1002 Router and the Cisco ASR 1002-X Router but not on
the Cisco ASR 1002-F Router.
The Cisco ASR 1002 Router supports an AC or –48 VDC power supply and a +24 VDC power supply:
• Cisco ASR 1002 Router AC Power Supply, page 2-36—The AC power supply operates between
85VAC and 264VAC. AC power input is an IEC 320-type power inlet, 15A service connector. The
AC input side contains a front panel with provisions for mounting screw, two built-in handles to
extract the power supply, three status LEDs, and fans for power supply and system cooling.
• Cisco ASR 1002 Router –48 VDC Power Supply, page 2-38—The –48 VDC power supply operates
between –40.5VDC and –72VDC. Three-position Euro-style terminal block, with labeled
connections for – (–48/60 V input) and + (–48/60 V Return) and the GND symbol for grounding.
The –48 VDC input side contains a front panel with provisions for mounting screw, built in handles
to remove the power supply, three status LEDs, and fans for power supply and system cooling.
• Cisco ASR 1002 Router +24 VDC Power Supply, page 2-41—The +24 VDC power supply for only
the Cisco ASR 1002 Router operates between +21VDC and +36VDC.
Cisco ASR 1002 Router Power Supply Fans
Cisco ASR 1002 Router system level cooling is provided by two 12 VDC type fans in each power supply
module. The fans in each module provide system cooling back-up in the event of a single fan failure. In
addition, the fans in each of the power supplies can be powered from a single supply when only one unit
is operational. The airflow direction is front to back.
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than: AC power supplies for the Cisco Aggregation Services
Routers: 120 VAC, 20A U.S. maximum. DC power supplies for the Cisco ASR 1006 Router: 50A U.S.
maximum; Cisco ASR 1004 Router: 40A U.S. maximum: Cisco ASR 1002 Router: 30A U.S. maximum.
Statement 1005
Cisco ASR 1002 Router AC Power Supply
This section provides information about the AC power supplies on the rear of the Cisco ASR 1002
Router.
The Cisco ASR 1002 Router system level cooling is provided by two 12 VDC type fans in each of the
two power supply modules. The fans in each module are intended to provide system cooling back-up in
the event of a single fan failure. In addition, the fans in each of the power supplies can be powered from
a single supply when only one unit is operational. The airflow direction is front to back. The power
supplies plug directly into the Cisco ASR1000-RP1 and distributes power back to the midplane.
Guide pins located at the rear of these modules help center locate the modules and reduce stress to the
midplane and module mounted connectors. Two captive screws (tool operated latches) are provided on
the modules face plate (chassis rear) to secure these modules into the chassis.
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