As described previously, the UP 503 operates in isochronous mode in one embodiment in which the data stream to {HEAD ~ the subscriber location} 105 is maintained at {TAIL ~ the appropriate rate} to ensure proper operation of the CPE at the subscriber location 105 
is maintained at
As described previously , the UP 503 operates in isochronous mode in one embodiment in which the data stream to { HEAD ~ the subscriber location } 105 is maintained at { TAIL ~ the appropriate rate } to ensure proper operation of the CPE at the subscriber location 105
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH