In {TAIL ~ the receive direction}, {HEAD ~ the interface} receives a 155.52 Mbps serial data stream, removes the ATM cells from the STS 3c framing, and verifies the HEC code 
In
In { TAIL ~ the receive direction } , { HEAD ~ the interface } receives a 155.52 Mbps serial data stream , removes the ATM cells from the STS 3c framing , and verifies the HEC code
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH