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Advanced Integration Module Options
All Cisco 2600 Series are equipped with an internal slot to support one or two field-installable AIMs. AIMs use
function-specific hardware to off-load the main router CPU and accelerate processor- or resource-intensive services,
yieldingdramatically higherthroughput andhigher performancethan asoftware-only implementation.The AIM slot
has access to virtually all of the router's resources, including the main system bus. The TDM bus and the serial
communications controllers make this a very flexible and powerful feature. Since the AIM is internally mounted,
external slots remain available for integration of other modular components such as CSU/DSUs, WAN interfaces, or
other devices such as modems, or packetized voice/fax processors.
The Data Compression AIM provides a cost-effective option for reducing recurring WAN costs and maximizes the
benefit of the advanced bandwidth management features of the Cisco IOS software. With compression ratios of up
to 4:1, the Data Compression AIM supports 8Mbps of compressed data throughput without imposing additional
traffic latency—enough to keep two T1 or E1 circuits full of compressed data in both directions simultaneously. The
Data Compression AIM supports industry standard LZS and Microsoft Point-to-Point Compression (MPPC)
algorithms and ensures compatibility with all Cisco products supporting hardware- or software-based compression.
The Data Encryption AIM offloads encryption processing from the Cisco 2600 Series CPU, providing 10 times the
performance over software-only encryption. The AIM-VPN/BP supports a maximum number of 300 remote access
tunnels and a maximum of 800 remote access tunnels when using the Cisco 2600XM models. In comparison, the
Table 6 Cisco 2600 Series Supported Multiflex Voice/WAN Interface Cards for Use with Voice/Fax Network
Modules and as a Standalone WAN Interface
Cisco 2600 Series
Multiflex Voice/WANWICs
Product Number
Description Cisco 261x-265x Cisco 2600XM
VWIC-1MFT-T1
1
1-port T1/Fractional T1 Multiflex
Trunk with CSU/DSU
XX
VWIC-2MFT-T1
1
2-port T1/Fractional T1 Multiflex
Trunk with CSU/DSU
XX
VWIC-2MFT-T1-DI
1
2-port T1/Fractional T1 Multiflex
Trunk with CSU/DSU and Drop &
Insert
XX
VWIC-1MFT-E1
1
1-port E1/Fractional E1 Multiflex
Trunk with DSU
XX
VWIC-2MFT-E1
1
2-port E1/Fractional E1 Multiflex
Trunk with DSU
XX
VWIC-2MFT-E1-DI
1
2-port E1/Fractional E1 Multiflex
Trunk with DSU and Drop & Insert
XX
VWIC-1MFT-G703
2
1-port G.703 Multiflex Trunk X X
VWIC-2MFT-G703
2
2-port G703 Multiflex Trunk X X
1. Requires Cisco IOS 12.0(5)XK or later.
2. Requires Cisco IOS 12.1(1)T or later.
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