ZyXEL Communications U-336SA - Manual (Page 131)

Status Registers & Result Codes 117
Command bit dec hex Function and description Ref.
number S29
3 8 8 DCD ON/OFF sequence
follows UNIX standard, DCD
high before connect message is
sent, DCD off after last DCE
response is sent &C1
S21.4
4 16 10 Auto-mode fax receiving
disabled &N0
5 32 20 Disable MNP5 &Kn
S39= bit dec hex Bit mapped register +000
2 4 4 Answer in originating mode ATA
3 8 8 Class 2 Fax Bitfax compatibility:
+FCON at 2400 next phase at
19200
4 16 10 Class 2 Fax mode DTE shifting:
+FCON at current DTE, shift to
19,200 when entering into the
next phase
5 32 20 Disable srambler/descrambler in
V.26bis mode. Enables
compatibility with older V.26bis
modems which have no such unit
(default)
S40= bit dec hex Bit mapped register +000
1 2 2 No result code displayed in
answer mode Q2
2 4 Enables caller ID detection
3 8 Enables type 1 ring detection
4 16 Enables type 2 ring detection
5 32 Enables type 3 ring detection