Avaya MM710B T1/E1 Media Module, #700394737
The Avaya MM710 T1/E1 Media Module terminates a T1 or an E1 connection to either private enterprise network trunks or to trunks to the public network. It features a built-in Channel Service Unit (CSU); software-selectable T1 or E1 operation; echo cancellation; D4, ESF, or CEPT framing; ISDN PRI capability: 23 B-channel + 1 D-channel or 30 B-channel + 1 D-channel; AMI, ZCS, B8ZS (T1) or HDB3 (E1) line coding; and fractional T1 support. It is supported in G350, G450, and G700 Media Gateways.