64*E1 integrated data access device,FXS,FXO,E&M,MS,MSA,HFA optional;V.35, ... &M,8*MS,8*MSA,4*HFA optionalData:4*V.35,10*V.24,10*X.50,4*RS485,4*RS422,8*G.703 ... ,4*UIF(ISDN 2B+D),4*10Base-T optionalSupport work under ... into any slot of the device at any sequence or types;SNMP Network Management 64*E1 Integrated Data Access Device DXC comprssion E1