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 at 24 V
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.
