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Cisco 3800 Series Features Cisco 3825 Cisco 3845
Embedded VPN (hardware-based
VPN encryption acceleration)
Yes Yes
Number of console ports
(up to 115.2 kbps)
1 1
Number of auxiliary ports
(up to 115.2 kbps)
1 1
Memory—External compact Flash
and internal
DDR SDRAM with ECC
Default – 64 MB Compact Flash;
256 MB DDR SDRAM
Maximum – 256 MB Compact Flash;
1 GB DDR SDRAM
Default: 64 MB Compact Flash;
256 MB DDR SDRAM
Maximum: 256 MB Compact Flash;
1 GB DDR SDRAM
PHYSICAL SPECIFICATIONS
Dimensions (H x W x D) 3.5 x 17.1 x 14.7 in.
2 rack-unit (RU)
5.25 x 17.25 x 16 in.
3 RU
Weight (minimum) 23 lb 45 lb
Rack-mounting Yes; 19- and 23-inch options Yes; 19- and 23-inch options
Wall-mounting No No
AC: Input Voltage 100 to 240 VAC, autoranging 100 to 240 VAC, autoranging
AC: Input Frequency 47 to 63 Hz 47 to 63 Hz
AC: Input Current 3A (110V)
2A (230V)
Startup current 50A maximum
(one cycle)
4A (110V)
2A (230V)
Startup current 50A maximum
(one cycle)
DC: Input Voltage 24–60 VDC, auto-ranging positive
or negative
24–60 VDC, auto-ranging positive
or negative
DC: Input Current 12A (24V)
5A (60V)
Startup current 50A<10 ms
18A (24V)
7A (60V)
Startup current 50A<10 ms
Output AC or DC power supply:
210W for system
AC-IP power supply:
210W for system
360W for IP phones (-48V)
AC or DC power supply:
300W for system
AC-IP power supply:
300W for system
360W for IP Phones (-48V)
RPS External only (Cisco RPS 675) Internal AC, AC-IP, or DC RPS
Recommended RPS Unit Cisco RPS 675
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Cisco 3800 Series
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PLATFORM OVERVIEW continued
Cisco 3800 Series
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Cisco 3800 Series Features Cisco 3825 Cisco 3845
POWER DISSIPATIONS
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)
Non-operating Temperature -40 to 185°F (-40 to 85°C) -40 to 185°F (-40 to 85°C)
Relative Humidity (non-condensing) 5 to 95 percent 5 to 95 percent
Operation Altitude Up to 6500 ft (2000 m), derate 1C
per 1000 ft
Up to 6500 ft (2000 m), derate 1C
per 1000 ft
Noise Level (minimum) 50 dBa typical, 53 dBa maximum 56 dBa typical, 58 dBa maximum
REGULATORY COMPLIANCE
Safety UL 60950
CAN/CSA C22.2 No. 60950
EN 60950
AS/NZS 60950
UL 60950
CAN/CSA C22.2 No. 60950
EN 60950
AS/NZS 60950
EMC 47 CFR, Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI V-3
EN 300386
EN 61000
47 CFR, Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI V-3
EN 300386
EN 61000
TELCOM 47 CFR, Part 68
TIA/EIA/IS-968
CS-03
RTTE Directive
47 CFR, Part 68
TIA/EIA/IS-968
CS-03
RTTE Directive