ZyXEL Communications 2864 Series, Руководство пользователя, Страница: 101 / 267

8–15
S36 Bit-mapped register (Security function control): default: 0:
(6) 1 64 Enables password protection to profile sav-
ing. When
AT&W0
is issued and profile 0 in
the EEPROM has this bit set, the supervisory
password will be requested. This bit in profile
0 also protects the supervisory password
from a hardware reset.
(5) 1 32 SREJ option: Enables Selective Reject in
V.42. (Default)
(4) 1 16 Effective only on models with a DATA/VOICE
switch. When the DATA/VOICE switch is
pressed, the modem will dial the default
number. (See also
*Dn
,
S29
)
(3) 1 8 Add 12dBm attenuation to the leased-line
transmission power. (See
also *Pn
,
S17b1
,
S49b0
)
(2) 1 4 V.26bis alternative A.
(1) 1 2 Disables aborting from connection during
modem handshaking.
(0) 1 1 Uses CELL 4800T trellis coded 4800 for
V.32 4800.
Code Bits Bin. Dec. Description
*G0 (7,6,5) 000 0 No security function. (Default)
*G1 001 32
Type 1
*
security, with password check.
*G2 010 64
Type 1
*
security, with password check and
call back.
*G3 011 96
Type 2
*
security, with password check.
*G4 100 128
Type 2
*
security, with password check and
call back.
*G5 101 160
Type 2
*
security, with password check and
call back; call-back number from remote.
Note: In security type 1, the remote site must be a ZyXEL modem. In
security type 2, the remote site can be any other brand of modem.
Code Bits Bin. Dec. Description