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Cisco 2800 Series 概要
Specifications
Table 11
Description
Dimensions (H x W x D)
Weight
AC input power
•
Input voltage
•
Frequency
•
Input current
Inrush surge current
•
DC input power
Input voltage
•
Input current
•
Inrush surge current
•
Power dissipation
(maximum)
AC without
•
IP phone support
AC with
•
IP phone support:
–
–
DC
•
Console and auxiliary ports
Operating humidity
Operating temperature
Nonoperating temperature
Noise level
Safety compliance
Immunity compliance
Overview of Cisco 2800 Series Routers
22
Cisco 2821 Router Specifications
System only
IP phones
Specification
3.5 x 17.25 x 16.4 in. (88.9 x 438.2 x 416.6 mm), 2 RU height
25 lb (11.36 kg) if fully populated with modules
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)
24 to 60 VDC, positive or negative
12 A at 24 V
50 A, maximum, <10 ms
280 W (955 BTU/hr)
310 W (1058 BTU/hr)
240 W (820 BTU/hr)
300 W (1024 BTU/hr)
RJ-45 connector
5 to 95%, noncondensing
32 to 104° F (0 to 40° C)
–4 to 149° F (–20 to 65° C)
44 dBA in normal ambient temperature;
52 dBA in maximum ambient temperature
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.
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.
OL-5783-01