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Overview of Cisco 2800 Series Routers
OL-5783-01
Specifications
Table11 Cisco 2821 Router Specifications
Description Specification
Dimensions (H x W x D) 3.5 x 17.25 x 16.4 in. (88.9 x 438.2 x 416.6 mm), 2 RU height
Weight 25 lb (11.36 kg) if fully populated with modules
AC input power
•Input voltage
•Frequency
•Input current
•Inrush surge current
100 to 240 VAC, autoranging
47 to 63 Hz
3 A (8 A for IP phone support)
50 A maximum, one cycle (–48 V power included)
DC input power
•Input voltage
•Input current
•Inrush surge current
24 to 60 VDC, positive or negative
12 A
50 A, maximum, <10 ms
Power dissipation
(maximum)
•AC without
IP phone support
•AC with
IP phone support:
–
System only
–
IP phones
•DC
280 W (955 BTU/hr)
310 W (1058 BTU/hr)
240 W (820 BTU/hr)
300 W (1024 BTU/hr)
Console and auxiliary ports RJ-45 connector
Operating humidity 5 to 95%, noncondensing
Operating temperature 32 to 104°F (0 to 40°C)
Nonoperating temperature –4 to 149°F (–20 to 65°C)
Noise level 44 dBA in normal ambient temperature;
52 dBA in maximum ambient temperature
Safety compliance UL 60950; CAN/CSA C22.2 No. 60950-00; IEC60950;
EN 60950-1; AS/NZS60950
For detailed compliance information, refer to the Cisco2800 and
Cisco 3800 Series Integrated Services Routers Regulatory
Compliance and Safety Information document.
Immunity compliance EN300386; EN55024/CISPR24; EN50082-1; EN61000-6-2
For detailed compliance information, refer to the Cisco2800 and
Cisco 3800 Series Integrated Services Routers Regulatory
Compliance and Safety Information document.