64*E1 integrated data access device,FXS,FXO,E&M,MS,MSA,HFA optional;V.35,V.24,X ... .50,RS485,RS422,G.703,UIF(ISDN 2B+D) 10Base-T 64*E1Total 16 ... 4*HFA optionalData:4*V.35,10*V.24,10*X.50,4*RS485,4*RS422,8 ... telephone;Supporting U interface: V.35, V.24 and Ethernet data can be transmitted over five ... sequence or types;SNMP Network Management 64*E1 Integrated Data Access Device DXC comprssion E1