24
Overview of Cisco 2800 Series Routers
OL-5783-01
Specifications
Table 12 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; IEC 60950;
EN 60950-1; AS/NZS 60950
For detailed compliance information, refer to the Cisco 2800 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 Cisco 2800 and
Cisco 3800 Series Integrated Services Routers Regulatory
Compliance and Safety Information document.
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