ZyXEL Communications U-336SA - Manual (Page 134)

120 Status Registers & Result Codes
Command bit dec hex Function and description Ref.
speed fixed at 9600 if link speed
is 7200, DTE speed follows link
speed. When selected with &B1,
DTE speed fixed at current rate
when an ARQ connection is
made, when a non-ARQ
connection is made, DTE speed
follows the link speed. (See also
S18)
7 128 80 Enable UK (Australian,
Singapore, Indian, etc.,) type
short-to-short (discontinuous)
ring-back detection.
S45= dec
0-
255 hex
0-FF Delay during which the CND
silence detection is disabled, in
20 ms units. (See also S46) +087
S46= dec hex CND silence detection interval +003
0-
255 0-FF To process the CND, silence
must be detected for the
specified interval, in 20 ms units
S48= bit dec hex Bit-mapped register +000
0 1 1 Cause CND information to be
reported in raw format
1 2 2 Enable DATA ONLY mode.
Auto-detect
V.34/ZyX/V.32bis/V.22bis/V.2
3/V.21 Bell 103 when
answering. If the connection try
fails, the modem will continuously
recycle the handshaking
procedure until the S7 register