Specifications

Chapter 1 Routing
1-12
Cisco 1800 Series
• Security performance enhanced feature set—Supports optional VPN acceleration card for
VPN 3DES or AES encryption
• Allows LAN segmentation
• Integrated standard power supply—Easier router platform installation and management
Specifications
Features Cisco 1841
Form factor
Desktop, 1-rack-unit (1RU) height (4.75 cm high with rubber feet)
Target Applications
Secure data
Chassis
Metal
Wall-mountable
Yes
Rack-mountable
No
Dimensions (W x D)
13.5 x 10.8 in. (34.3 x 27.4 cm); Height without rubber feet: 1.73 in. (4.39 cm); Height with rubber feet: 1.87 in. (4.75
cm)
Weight
Maximum: 6.2 lb (2.8 kg); with interface cards and modules; Minimum: 6.0 lb (2.7 kg) (no interface cards and
modules)
DRAM
Synchronous dual in-line memory module (DIMM) DRAM
DRAM capacity
Default: 128 MB; Maximum: 384 MB
Flash memory
External compact Flash
Flash memory capacity
Default: 32 MB; Maximum: 128 MB
Modular slots - total
Two
Modular slots (WAN)
Two
Modular slots (HWICs)
Two
Modular slots (voice)
None: The Cisco 1841 does not support voice
Analog/digital voice support
No
VoIP support
Voice-over-IP (VoIP) pass-through only
Onboard Ethernet ports
Two 10/100
Onboard USB ports
One (1.1)
Console port
One -up to 115.2 kbps
Auxiliary port
One: up to 115.2 kbps
Onboard AIM slots
One (internal)
Packet-voice-DSP-module
(PVDM) slots on motherboard
None-The Cisco 1841 does not support voice
Integrated H/W-based
encryption on motherboard
Yes
Encryption support in software
and hardware by default
DES, 3DES, AES 128, AES 192, AES 256
Internal power supply
Yes
Redundant power supply
No
DC power support
No
AC input voltage
100 to 240 VAC
Frequency
50 to 60 Hz
AC input current
1.5A maximum
Output power
50W (maximum)
System Power Dissipation
153 BTU/hr
Cisco IOS Software default
image
IP BASE (12.3(8)T)
Operating temp
32 to 104×F (0 to 40×C)
Operating humidity
10 to 85% noncondensing operating; 5 to 95% noncondensing, nonoperating
Nonoperating Temp
-4 to 149×F (-25 to 65×C)
Operating altitude
10,000 feet (3000 meters) @ 77×F (25×C)
Noise level
Normal operating temperature: <78× F/25.6×C : 34 dBA; >78×F/25.6×C through; 104×F/40×C:
Safety
UL60950-1; CAN/CSA 60950-1; AS 3260; EN60950-1
EMI
EN 55022, 1998, class A; CISPR22, 1997, class A; CFR47, Part 15, Subpart B, 1995, class A; EN61000-3-2
Harmonic Current Emission (only for equipment >75W but <16A); EN61000-3-3 Voltage Fluctuation and Flicker
(only for equipment £16A)