Cisco A901-4C-F-D ASR 901 4GE PAYG Enterprise Router DC

Cisco A901-4C-F-D ASR 901 is a compact carrier-grade aggregation router with 4GE Ethernet, 4 SFP ports, PAYG flexibility, dual DC power, SyncE timing, and 1RU rack-mount design. Built for service providers, enterprise networks, mobile backhaul, WAN aggregation, and edge deployments worldwide access.

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Attribute Specification Attribute Specification
Cisco A901-4C-F-D= Specification Cisco A901-4C-F-D= Specification Model A901-4C-F-D=
Brand Cisco Description Cisco ASR 901 Series Aggregation Services Router chassis, PAYG 4 GE port, Ethernet-only interfaces, DC power
Form factor 1 RU rack-mount router Dimensions (H × W × D) 1.7 × 17.5 × 8.3 in (43.2 × 444.5 × 211 mm)
Chassis type ASR 901 Series Aggregation Services Router chassis System memory 1 GB DDR3
Flash memory 128 MB onboard flash Ethernet ports 4 × 10/100/1000 RJ-45 Gigabit Ethernet ports
Ethernet SFP ports 4 × 1G SFP Gigabit Ethernet ports Combo ports 4 × 1G Gigabit Ethernet combo ports
Console port 1 × console port (up to 115.2 Kbps) External timing ports BITS input, 10 MHz input/output, 1 PPS input/output, ToD interface, SyncE
Rack mount options 19 in rack mount, 23 in rack mount, recessed rack mount option for 19 in cabinets (1GE models) Cooling fans Dual fan, 1+1 redundancy (1GE models)
Airflow direction Left to right airflow Front-panel access Front-panel access cabling and LED indicators
Power supplies 2 × DC power supplies; module redundancy 1:1 MTBF 614,790 hours
Power consumption (A901-4C-F-D) 40 W, dual DC (1GE models) Power consumption (other models) A901-12C-F-D: 40 W; A901-12C-FT-D: 50 W; A901-4C-FT-D: 50 W
DC-input voltage rating 24 VDC, -48 VDC, -60 VDC (1GE models) DC-input current rating 2.5 A maximum for non-TDM variants; 3.0 A maximum for TDM variants (1GE models)
Power connector 6-position 2-tier stacked connector with two feeds (A and B DC power, AMPHENOL ELVA06100) and 3-position mating connectors for each feed (AMPHENOL ELVP03100) Operating temperature -40 to 149 °F (-40 to 65 °C)
Nonoperating temperature -40 to 158 °F (-40 to 70 °C) Relative humidity 10% to 85%, noncondensing, ±5%
Operational altitude Up to 13,000 ft (4,000 m) maximum at 104 °F (40 °C) ambient Acoustic noise 66 dBA with 23 cfm fan (1GE models)
Airflow (cooling capacity) 46 cfm (1GE models)

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