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Cisco 1800 Series
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Cisco 1841
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Target Applications
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Secure data
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Chassis
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Form Factor
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Desktop, 1-rack-unit (1RU) height (4.75 cm high with rubber feet)
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Chassis
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Metal
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Wall-Mountable
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Yes
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Rack-Mountable
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Yes (Optional Rackmount kit: ACS-1841-RM-19=)
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Dimensions (W x D)
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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)
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Weight
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Maximum: 6.2 lb (2.8 kg);
with interface cards and modules
Minimum: 6.0 lb (2.7 kg)
(no interface cards and modules)
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Architecture
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DRAM
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Synchronous dual in-line memory module (DIMM) DRAM
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DRAM Capacity
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Default: 256 MB
Maximum: 384 MB
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Flash Memory
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External compact Flash
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Flash Memory Capacity
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Default: 64 MB
Maximum: 128 MB
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Modular Slots-Total
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Two
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Modular Slots for WAN Access
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Two
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Modular Slots for HWICs
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Two
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Modular Slots for Voice Support
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None-The Cisco 1841 does not support voice
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Analog and Digital Voice Support
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No
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VoIP Support
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Voice-over-IP (VoIP) pass-through only
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Onboard Ethernet Ports
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Two 10/100
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Onboard USB Ports
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One (1.1)
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Console Port
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One-up to 115.2 kbps
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Auxiliary Port
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One-up to 115.2 kbps
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Onboard AIM Slots
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One (internal)
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Packet-Voice-DSP-Module (PVDM) Slots on Motherboard
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None-The Cisco 1841 does not support voice
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Integrated Hardware-based Encryption on Motherboard
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Yes
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Encryption Support in Software and Hardware by Default
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DES, 3DES, AES 128, AES 192, AES 256
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Software
Support
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First Cisco IOS Software Release
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12.3(8)T
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Cisco IOS Software default Image, Release
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IP BASE, 12.4(15)T
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