ZyXEL Communications 56K - Manual (Page 46)

User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
5-8
Extended AT* Command Sets
Command Options Function & Description Ref.
*Cn Character length, including start, stop and
parity bit. S15.3-4
*C0 * 10-bit character length
*C1 11-bit character length
*C2 9-bit character length
*C3 8-bit character length
*Dn n=0-3 Set default dial pointer at telephone directory
location 'n.' S29
*D0 * (See also S35.4 and S38.0)
*En Modem error control negotiation. S21.0
*E0 * if error control negotiation fails, keep the non-
error control connection.
*E1 If error control negotiation fails, disconnect the
call (hang-up).
*Gn *G0 Disables security function. (Default)
*G1 Enables type 1 security, with password check.
*G2 Enables type 1 security, with password check
and call back.
*G3 Enables type 2 security, with password check.
*G4 Enables type 2 security, with password check
and call back.
*G5 Enables type 2 security, with password check
and call back; remote site enters the call-back
number.
*G9 Reset the supervisor password to "ZyXEL".