ZyXEL Communications 2864 Series User Manual page 103

Code Bits
(3)
(2,1)
(0)
S39 Bit-mapped register, default: 32:
Code Bits
(7,6)
(5)
(4)
(3)
(2)
(1, 0)
S40 Bit-mapped register, default: 0:
Code Bits
(7)
(6)
(5)
(4)
(3)
(2)
Bin. Dec. Description
0 0 CD tracks the carrier. (Default)
1 8 The CD on/off sequence follows the UNIX
standard. CD is turned ON before the con-
nection message is sent and CD is turned
OFF after the last DCE response is sent. (A
UNIX system needs CD ON to enable serial
port receiving.) (See &C1, S21b4.)
Reserved.
1 1 Enables repeat dialing of the default number
if not connected. (See also *Dn, S29)
Bin. Dec. Description
Reserved.
1 32 Disables scrambler/descrambler in V.26bis
mode. Enables compatibility with older
V.26bis modems which have no such unit.
1 16 Class 2 fax with DTE speed shifting; +FCON
at current DTE rate; next phase at 19200.
1 8 Class 2 fax with Bitfax compatibility; +FCON
at 2400 and shift to 19200 at next phase.
1 4 Reverses the answer; the modem answers in
originate mode.
Reserved.
Bin. Dec. Description
Reserved.
1 64 Enables type 4 ring detection.
1 32 Enables type 3 ring detection.
1 16 Enables type 2 ring detection.
1 8 Enables type 1 ring detection.
1 4 Enables caller ID detection. (See S24b2, *T)
8–17