Datasheet

Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 8 of 13
Product Specifications
Table 3 gives the specifications of the Cisco 3825 and 3845 Series Integrated Services Routers.
Table 3. Specifications of Cisco 3825 and 3845
Cisco 3800 Series Features Cisco 3825/3825-NOVPN Cisco 3845/3845-NOVPN
Physical Specifications
Dimensions (H x W x D)
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3.5 x 17.1 x 14.7 in.
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2 rack units (2RU)
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5.25 x 17.25 x 16 in.
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3RU
Weight (minimum) 23 lb 35 lb
Rack-mounting Yes, 19- and 23-in. options Yes, 19- and 23-in. options
Wall-mounting No No
Power Specifications
AC input voltage 100–240 VAC, autoranging 100–240 VAC, autoranging
AC input frequency 47–63 Hz 47–63 Hz
AC input current
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3A (110V)
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2A (230V)
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Startup current 50A maximum (one cycle)
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4A (110V)
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2A (230V)
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Startup current 50A maximum (one cycle)
AC IP input current
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8A (110V)
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4A (230V)
●
Startup current 50A maximum (one cycle)
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8A (110V)
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4A (230V)
●
Startup current 50A maximum (one cycle)
DC input voltage 24–60 VDC, autoranging positive or negative 24–60 VDC, autoranging positive or negative
DC input current
●
12A (24V)
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5A (60V)
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Startup current 50A<10 ms
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18A (24V)
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7A (60V)
●
Startup current 50A<10 ms
Output
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AC or DC power supply:
210W for system
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AC IP power supply:
210W for system
360W for IP phones (–48V)
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AC or DC power supply:
300W for system
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AC IP power supply:
300W for system
360W for IP Phones (–48V)
Redundant power supply (RPS) External only (Cisco RPS 675 Redundant
Power System)
Internal AC, AC IP, or DC RPS
Recommended RPS unit Cisco RPS 2300 (recommended) and RPS 675
Redundant Power System
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Power Dissipations
Typical power dissipation (no modules) 52W (177 BTU/hr) 79W ( 269 BTU/hr)
AC without IP phone support 300W (1025 BTU/hr) 435W (1485 BTU/hr)
AC with IP phone support: System only 370W (1262 BTU/hr) 555W (1890 BTU/hr)
AC with IP phone support: IP phones 360W (1128 BTU/hr) 360W (1128 BTU/hr)
DC 325W (1100 BTU/hr) 460W (1570 BTU/hr)
Environmental Specifications
Operating temperature 32 to 104°F (0 to 40°C) 32 to 104°F (0 to 40°C)
Nonoperating temperature –40 to 158°F (–40 to 70°C) –40 to 158°F (–40 to 70° C)
Relative humidity (noncondensing) 5–95% noncondensing 5–95% noncondensing
Maximum operating temperature at altitude 40°C at sea level
40°C at 6,000 ft (1,800m)
30°C at 13,000 ft (4,000m)
27.2°C at 15,000 ft (4,600m)
Note: Derate 1.4°C per 1,000 ft above 6,000 ft
40°C at sea level
40°C at 6,000 ft (1,800m)
30°C at 13,000 ft (4,000m)
27.2°C at 15,000 ft (4,600m)
Note: Derate 1.4°C per 1,000 ft above 6,000 ft
Noise level (minimum) 50 dBa typical, 53 dBa maximum 56 dBa typical, 58 dBa maximum