User's Manual

For details about the internal interfaces available in the cable bay, see Cisco ASR 901S Series Aggregation
Services Router: Top and Bottom View, on page 5.
Cisco ASR 901S Series Aggregation Services Router: Back View
The Cisco ASR 901S Series Aggregation Services Router has an conduction-cooled fanless design. The back
panel of the router acts as the heat sink for all the components.
The following figure illustrates the back view of the router, with heat sink fins.
Figure 4: Cisco ASR 901S Series Aggregation Services Router — Back View
Heat sink fins1
Cisco ASR 901S Series Aggregation Services Router: Top and Bottom View
At the top of the Cisco ASR 901S Series Aggregation Services Router is an antenna connector and a handle
that helps to easily carry or remove the router.
The antenna connector provides support for integrated or external antennas. For detailed information about
the router antenna, including installation instructions, see Antenna Installation and Replacement, on page
58.
Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide
OL-29732-01 5
Introduction
Cisco ASR 901S Series Aggregation Services Router: Back View
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