{HEAD ~ The invention} may be used in {TAIL ~ many different types} of applications including communication interface devices that convert DS3 to STS 1, and STS 1 to DS3 
used in
{ HEAD ~ The invention } may be used in { TAIL ~ many different types } of applications including communication interface devices that convert DS3 to STS 1 , and STS 1 to DS3
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH