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E-1
Cisco 1760 Modular Access Router Hardware Installation Guide
78-13342-03
APPENDIX
E
Installing the Echo Canceler
Expansion Modules on Cisco Interface
Cards
This chapter provides information about the hardware-based echo canceler
expansion modules that are available on the enhanced multiflex trunk interface
cards on the Cisco 1760 router.
Multiflex Trunk Interface Cards
The following multiflex trunk interface cards on the Cisco 1760 support
hardware-based echo cancellation features through an optional echo canceler
expansion module installed on the main board of the interface card:
• 1-Port RJ-48 Multiflex Trunk T1/E1—VWIC2-1MFT-T1/E1, with
voice-only support
• 2-Port RJ-48 Multiflex Trunk T1/E1—VWIC2-2MFT-T1/E1, with
voice-only support
Note For additional information about the Cisco 1- and 2-port T1/E1
multiflex trunk interface cards, refer to the Cisco 1- and 2-port
T1/E1 Multiflex Voice/WAN Interface Cards for the Cisco 1751
and 1760 Routers.