... 64*E1 integrated data access device,FXS,FXO,E&M,MS,MSA,HFA optional;V.35,V. ... maximum occupy 8 slotsVoice:16*FXS,16*FXO,8*E&M,8*MS,8*MSA,4*HFA optionalData:4* ... 2B+D),4*10Base-T optionalSupport work under standard DXC mode(E1 Digital Cross Connection)Features:Ability to ... supports VLAN transparent cutting through;Powerful time slots expansion DXC function with a 2048×2048 exchange network array without ...