E1 CE 120 8 PORT The 8 Port E1 Circuit Emulation Card multiplexes/demultiplexes the circuits over a TDM channelized link and performs the necessary operations to allow the transport of these circuits through an ATM network. This card supports both structu

E1 CE 120 8 PORT The 8 Port E1 Circuit Emulation Card multiplexes/demultiplexes the circuits over a TDM channelized link and performs the necessary operations to allow the transport of these circuits through an ATM network. This card supports both structured and unstructured service as defined by the ATM Forum. Fits: 7470 or 7670 RSP ESE For 7670 RSP ESE, required adapter card is 90-7272-01.