7270 E1 8 PORT CE CARD R4.3 The 8 Port E1 Circuit Emulation Card multiplexes/demultiplexes the circuits carried over a TDM channelized link and performs the necessary operations to allow the transport of these circuits through an ATM network. This card su

7270 E1 8 PORT CE CARD R4.3 The 8 Port E1 Circuit Emulation Card multiplexes/demultiplexes the circuits carried 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 unstructued service as defined by the ATM Forum. It optionally provides CAS pass-through or clear channel capability. This card is delivered with R4.3 software.