Cisco A901-12C-F-D 

A901-12C-F-D Specifications
Description	Cisco ASR 901 Series Aggregation Services Router Chassis, Ethernet-only interfaces, DC power
System Specifications
Dimensions (H x W x D)	1.7 x 17.5 x 8.3 in. (43.2 x 444.5 x 211 mm), 1 RU
Weight	7.93 lb (3.6 kg)
Memory	Flash memory: 128 MB (onboard flash) System memory: 1 GB (DDR3)
Rack mounts	1 GE models: · 19-in. rack mount option · 23-in. rack mount option · Recessed rack mount option for 19-in. cabinets
Ethernet ports	4 100/1000 RJ-45 Gigabit Ethernet ports 4 x 1 SFP Gigabit Ethernet ports 4 x 1 Gigabit Ethernet Combo ports
Console port	1 (up to 115.2 Kbps)
External timing ports	BITS input, 10-MHz input/output, 1 PPS input/output, ToD interface, and SyncE
Fans	Dual fan, 1+1 redundancy
Air flow	Left to right airflow
Cabling	Front-panel access cabling and LED indicators
Power supplies	2 power supplies (DC only); module redundancy: 1:1
Mean Time Between Failure (MTBF)	614,790 hours
Power Specifications
Power consumption	1 GE models: dual DC DC-input power and power dissipation:40W
Power rating	1 GE models: · DC-input voltage rating: 24 VDC, -48 VDC, -60 VDC · DC-input current rating: 2.5A maximum for non-TDM variants and 3.0A maximum for TDM variants
Power connector	6-position 2-tier stacked connector comprising two feeds, A and B DC power (AMPHENOL ELVA06100), and 3‑position mating connectors for each feed (AMPHENOL ELVP03100)
Environmental Specifications
Operating temperature1	-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	13,000 ft (4000m) maximum 104°F (40°C) ambient
Acoustic noise2	66 dBA with 23 cfm fan
Air flow	46 cfm