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Extended at* command sets – ZyXEL Communications 56K User Manual

Page 46

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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".