The FD chassis model has a built-in DC-input. The DC power supply is compatible with the range of
DC input voltages specifically available at cell sites. A four-pin DC connector is provided on the router
faceplate as shown in the following figure.
Figure 6: Cisco ASR 901S Series Aggregation Services Router
—
Bottom View (A901S-4SG-F-D)
DC power input (four-pin)
4
LEDs
1
Dust caps
5
SFP ports
2
—
Cable gland interface
3
Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide
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OL-29732-01
Introduction
Cisco ASR 901S Series Aggregation Services Router: Top and Bottom View