Therefore, it is to be appreciated, that in general the variables transmitted from the modem being tested to the receiving modem can be any combination of {HEAD ~ variables} which allow for {TAIL ~ transmission} of test and diagnostic information 
allow for
Therefore , it is to be appreciated , that in general the variables transmitted from the modem being tested to the receiving modem can be any combination of { HEAD ~ variables } which allow for { TAIL ~ transmission } of test and diagnostic information
OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH