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Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide
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Introduction
The Cisco ASR 901 Mobile Wireless Router is a cell site gateway platform specifically designed to
provide transport for both legacy TDM and Ethernet traffic over a single converged network. The
Cisco ASR 901 router is used at the cell site as a part of a 2G, 3G, or 4G radio access network (RAN)
traffic.
This chapter includes the following sections:
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Hardware Description, page 1-1
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Power Supply, page 1-5
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System Specifications, page 1-7
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Router Interface Numbering, page 1-7
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Regulatory Compliance, page 1-8
Hardware Description
Contained in a standard shelf-rack enclosure, the Cisco ASR 901 router weighs approximately 10
pounds (4 kg). It measures 1.7 inches high x 17.4 inches wide x 8.25 inches deep (4.32 cm or 1RU x 44.2
cm x 21.0 cm). These dimensions do not include the rack-mount brackets.
You can mount the router in a standard (ETSI) 19-inch (48.3 cm) equipment rack or 600mm ETSI rack
or a 23" ETSI rack.
The Cisco ASR 901 router includes the following hardware features:
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16 T1/E1 RJ45 ports
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Four ports of 100/1000 Copper Ethernet including auto-MDIX (RJ45 connector)
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Four ports of SFP only
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Four combo ports (SFP/Copper)
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Dual feed supply with redundant DC inputs plus built in redundant power supply (RPS)
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Two fans placed in the chassis (fans are redundant)
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Chassis: 1RU, 8.25 inch depth
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Operating temperature range is -40 to +149°F (-40°C to +65°C).
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Side to side airflow
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Four solid state alarm inputs
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A single built-in 1GB Meninx Flash memory