Cisco Nim 2Mft T1/E1= Fourth Generation Multi Flex Trunk Voice/Clear Channel Data T1/E1 Expansion Module

The Cisco Fourth-Generation T1E1 Multiflex Trunk Voice And Wan Network Interface Modules (Nims) Support Data And Voice Applications On The Cisco 4451-X Integrated Services Routers These Cards Combine Wan-Interface-Card (Wic), Voice-Interface-Card (Vic), Isdn Primary Rate Interface (Pri), Dial-Access Integration, And Channelized-Data (Ce1T1) Functions To Provide Unparalleled Flexibility, Versatility, And Investment Protection Through Their Many Uses Customers Who Choose To Integrate Data And Voice In Multiple Steps Preserve Their Investment In A T1E1 Wan Interface The T1E1 Modules Contain An Onboard Cisco Packet Voice Digital Signal Processor Module 4 (Pvdm4) Slot, Which Requires A Fourth-Generation Pvdm4 Module A Pvdm4 On The T1E1 Module Is Necessary For The Voice Features The Pvdm4 Also Provides For Echo Cancellation Of Up To 128-Ms Echo-Tail Length For Demanding Network Conditions