ZyXEL Communications 2864 Series User Manual page 74

QUALITY ACTION
AUTO RE-
TRAIN
+ ADAPTIVE
RATE
DISCONNECT
NORESPONSE AT*Q0
DEFAULT DIAL
PH0 - PH49
DIAL BACKUP
+ DISABLED
PH0 - PH49
GUARD TONE
(For V.22 and V.22bis answer mode operation).
+ NONE
RESERVED
1800 Hz
Retrains automatically when poor signal quality
AT*Q1
is detected. S41.2=1 extends retrain time out
to 5 minutes.
Falls back automatically to next lower speed
AT*Q2
when poor signal quality is detected. Falls for-
ward automatically to the next higher speed
when the signal quality is improved. (Default)
When poor signal quality is detected, the mo-
AT*Q3
dem disconnects itself.
No response to poor signal quality.
Default dial pointer. This will be the first phone
AT*D0
... number displayed in the DIAL MEMORY menu
(default: PH0). If the DTR option 108.1 is ac-
AT*D49
tive, a DTR OFF-ON transition causes the mo-
dem to dial the number stored in the memory
address selected (memory address 0 to 49).
(See also S35b4)
Leased line dial backup disabled. (Default)
AT*B0
When a leased-line cannot continue operation,
AT*B1
... the originate mode modem will automatically
dial the number stored in the memory address
AT*B50
selected. The answer mode modem also needs
to select a non-zero memory address to enable
answering at the dial-up line during dial back-
up. (See also S44b2)
No guard tone provided. (Default)
AT&G0
Reserved.
AT&G1
1800 Hz guard tone provided.
AT&G2
6–8