This variable indicates the variety of DS1
Line implementing this circuit. The type of
circuit affects the number of bits per second
that the circuit can reasonably carry, as well
as the interpretation of the usage and error
statistics. The values, in sequence, describe:
TITLE: SPECIFICATION:
dsx1ESF Extended SuperFrame DS1
dsx1D4 AT&T D4 format DS1
dsx1E1 CCITT Recommendation G.704
(Table 4a)
dsx1E1-CRC CCITT Recommendation G.704
(Table 4b)
dsxE1-MF G.704 (Table 4a) with TS16
multiframing enabled
dsx1E1-CRC-MF G.704 (Table 4b) with TS16
multiframing enabled