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Overview of Cisco 2800 Series Routers
OL-5783-01
Specifications
Table12 Cisco 2851 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)
370 W (1262 BTU/hr)
360 W (1128 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.