Datasheet

Data Sheet
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Cisco 2800 Series Cisco 2801 Cisco 2811 Cisco 2821 Cisco 2851
Console Port
(up to 115.2 kbps)
1
Auxiliary Port
(up to 115.2 kbps)
1
Minimum Cisco IOS
Software Release
12.3(8)T
Rack Mounting Yes, 19-inch Yes, 19- and 23-in. options
Wall Mounting No Yes No No
Power Requirements
AC Input Voltage 100 to 240 VAC, autoranging
AC Input Frequency 47-63 Hz
AC Input Current 2A (110V) 1A (230V) 3A (110V) 2A (230V)
AC Input Surge
Current
50A maximum, one cycle (-48V power included)
AC-IP Maximum In-
Line Power
Distribution
120W 160W 240W 360W
AC-IP Input Current 4A (110V) 2A (230V) 8A (110V) 4A (230V)
AC-IP Input Surge
Current
50A maximum, one cycle (-48V power included)
DC Input Voltage No DC Power
Option available
24 to 60 VDC, autoranging positive or negative
DC Input Current
●
No DC Power
Option available
●
8A (24V)
●
3A (60V)
●
Startup current
50A<10 ms
●
12A (24V)
●
5A (60V)
●
Startup current 50A<10 ms
Power Dissipation-AC
without IP Phone
Support
150W (511 BTU/hr) 170W (580 BTU/hr) 280W (955
BTU/hr)
280W (955
BTU/hr)
Power Dissipation-AC
with IP Phone
Support-System Only
150W (511 BTU/hr) 210W (717 BTU/hr) 310W (1058
BTU/hr)
370W (1262
BTU/hr)
Power Dissipation-AC
with IP Phone
Support-IP Phones
180W (612 BTU/hr) 160W (546 BTU/hr) 240W (819
BTU/hr)
360W (1128
BTU/hr)
Power Dissipation-DC Not applicable 180W (614 BTU/hr) 300W (1024
BTU/hr)
300W (1024
BTU/hr)
RPS No External only, connector for RPS provided by default
Recommended RPS
Unit
No RPS option Cisco RPS-2300 Redundant Power System
Environmental Specifications
Operating
Temperature
32° to 104°F (0° to 40°C)
Non-Operating
Temperature
-4° to 149°F (-20° to
65°C)
-40° to 158°F (-40° to 70°C)
Maximum Operating
Temperature at
Altitude
●
40°C @ sea
level
●
31°C @ 6,000 ft
(1800 m)
●
25°C @ 10,000
ft (3000 m)
Note: Derate 1.5°C
per 1000 ft
●
40°C @ sea level
●
40°C @ 6,000 ft (1800 m)
●
30°C @ 13,000 ft (4000 m)
●
27.2°C @ 15,000 ft (4600 m)
Note: Derate 1.4°C per 1,000 ft above 6,000 ft
Operating Humidity 10 to 85% non-
condensing
5 to 95%, non-condensing