This variable indicates the variety of DS3 C-bit
application implementing this interface. The
type of interface affects the interpretation of
the usage and error statistics. The rate of DS3
is 44.736 Mbps. The ds3ClearChannel value means
that the C-bits are not used except for sending/
receiving AIS. The values, in sequence, describe:
TITLE: SPECIFICATION:
ds3M23 ANSI T1.107-1988 [9]
ds3SYNTRAN ANSI T1.107-1988 [9]
ds3CbitParity ANSI T1.107a-1990 [9a]
ds3ClearChannel ANSI T1.102-1987 [8]