ZyXEL Elite 2864 User Guide - Page 74

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