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Cisco 1721/1841 Product Comparison
Cisco 1721 Cisco 1841
Form Factor Desktop Desktop (1RU)
Chassis Type Plastic Metal
DRAM (default) 64 MB 128 MB
DRAM (maximum) 128 MB 384 MB
Flash (default) 32 MB 32 MB
Flash (maximum) 32 MB Up to 128 MB
AC Power Supply External Internal
Onboard AIM Slot 0 1
Support for High Speed WICs (HWICs) No Yes
LAN Ports 1 - 10/100 2 - 10/100
Integrated Hardware-based Encryption No Yes
USB Ports (v1.1) No 1
Console Port (Up to 115.2 kbps) 1 1
Auxiliary Port (Up to 115.2 kbps) 1 1
Cisco 1751/1760, 2600, and 2800 Product Comparison
Cisco 1751/1760 Cisco 2600 Cisco 2800
Form Factor Desktop and 19" 19" Rack Mount 19" and 23" Rack
Rack Mount (Up to 2RU) Mount Options
DRAM (default) Up to 128 MB Up to 256 MB Up to 256 MB
DRAM (maximum) 128 MB Up to 256 MB Up to 1 GB
Flash (default) 32 MB Up to 32 MB 64 MB
Flash (maximum) 64 MB (1760) Up to 128 MB Up to 256 MB
Onboard DSP slot 2 0 Up to 3
Onboard AIM slot 0 1 2
Support for High Speed WICs (HWICs) No No Yes
LAN Ports 1 - 10/100 Up to 2 - 10/100 2 - 10/100 or
10/100/1000
Integrated Hardware-based Encryption No No Yes
Integrated Inline Power/PoE Support No No Yes
USB Ports (v1.1) No No Yes, Up to 2
Console Port (Up to 115.2 kbps) 1 1 1
Auxiliary Port (Up to 115.2 kbps) 1 1 1
Product Transition Matrix
TRANSITION MATRIX continued
Product Transition Matrix
Cisco 3700/3800 Product Comparison
Cisco 3700 Cisco 3800
Form Factor 19" and 23" Rack 19" and NEBS/ETSI Rack
Mount (2 and 4 RU) Mount (2 and 4 RU)
DRAM (default) 256 MB 256 MB
DRAM (maximum) Up to 256 MB Up to 1 GB
Flash (default) 32 MB 64 MB
Flash (maximum) 128 MB Up to 256 MB
Onboard DSP Slot 0 Up to 4
Onboard AIM Slot 2 2
Support for High Speed WICs (HWICs)
or Enhanced Network Modules No Yes
LAN Ports 2 - 10/100 2 - 10/100/1000
Integrated Hardware-based Encryption No Yes
Integrated Inline Power/PoE Support Yes, 3745 (No PoE) Yes
USB Ports (v1.1) No Yes, 2
Console Port (Up to 115.2 kbps) 1 1
Auxiliary Port (Up to 115.2 kbps) 1 1