[shortdesc] Expansion module T1/E1 X 8 for ISR 4221 4321 4331 4351 4431 [/shortdesc] [specifications] Product Description 8 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module Number of Ports 8 Clear-Channel Data Yes MFT Packet Voice Yes Unstructured E1 (G.703) Support No Channelized Data No Dimensions (H x W x D) 1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 cm) Weight 0.52 lb (236g) Environmental Operating temperature: 0 to 50C (32 to 122F) Storage temperature: -20 to +65C (-4 to 148F) Relative humidity: 10 to 85% noncondensing operating; 5 to 95% noncondensing, nonoperating T1 Compliance (partial list) TIA-968-A CS-03 Jate ANSI T1.403 E1 Compliance (partial list) TBR4, TBR12, and TBR13 ITU-T G.703, G.704, G.823, and I.431 S016 (Australia) [/specifications] Cisco NIM-8MFT-T1/E1 Expansion Module Supports Data & Voice Applications Cisco NIM-8MFT-T1/E1 Expansion Module is the fourth generation Multiflex Trunk Voice and WAN Network Interface Module. Key Benefits of Cisco NIM-8MFT-T1/E1 Expansion Module Cisco NIM-8MFT-T1/E1 Expansion Module is built to support data and voice applications on the Cisco 4000 Integrated Services Routers. These cards combine WAN interface card, voice interface card, ISDN primary rate interface, dial access integration, and channelized data functions to offer enhanced flexibility, versatility, and investment protection through their multiple uses. Those who want to integrate voice and data in multiple steps must find this super useful. Cisco NIM-8MFT-T1/E1 Expansion Module Overview Product Description 8 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module Number of Ports 8 Dimensions (H x W x D) 1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 cm) Weight 0.52 lb (236g)