Cisco ASR 920 series Installing Manual

If you are connecting a redundant DC power supply, ensure that each power supply is connected
to a separate power source in order to prevent power loss in the event of a power failure.
Note
Install the DC Power Cables
When installing DC power supply, use 12AWG, 90°C temperature rated cable. The recommanded cable length
is 3 meters maximum from source. Up to 5 meters use 10AWG, and up to 3 meters use 12AWG, 90°C
temperature rated cable and for other length contact Cisco.
Note
• Always ensure that the building’s installation for short-circuit (overcurrent) protection does not exceed
15A.
• We recommended using a Circuit breaker or a fast acting fuse with a maximum DC rating of 10A for
over current protection.
Note
The DC connector or terminal block has an inbuilt screw and cage nut to which a torque of 1.3 to 1.8 N-m
can be applied.
Note
Figure 53: DC Connector with Inbuilt Screw
0.27 in. (0.68 cm)C0.97 in. (2.4 cm)A
0.17 in. (0.43 cm)D0.31 in. (0.78
cm)
B
0.81 in. (2 cm)M
To attach the DC power supplies:
Installing the Cisco ASR 920 Series Router
58
Installing the Cisco ASR 920 Series Router
Install the DC Power Cables

Cisco ASR 920 series Specifications

General

Form Factor	1RU
Operating System	Cisco IOS XE
Model	ASR 920 series
Memory	4 GB DRAM
Power Supply	AC or DC
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Relative Humidity	5% to 95% non-condensing
MTBF	Varies by model
Management	CLI, SNMP