Reference Information Modem Reference Information 136 Reference Guide Command Function (Ambit) &F1 Restore factory configuration 1 &G0 Disable guard tone &G1 Disable guard tone &G2 Enable 1800 Hz guard tone &J0 Set S-Register response only for compatibility &J1 Set S-Register response only for compatibility &K0 Disable DTE/DCE flow control &K3 Enable RTS/CTS DTE/DCE flow control &K4 Enable XON/XOFF DTE/DCE flow control &K5 Enable transparent XON/ XOFF low control &K6 Enable both RTS/CTS and XON/XOFF flow control &L0 Select dial up line operation &M0 Select direct asynchronous mode &M1 Select sync connect with async off-line command mode &M2 Select sync connect with async off-line command mode and enable DTR dialing of directory zero &M3 Select sync connect with async off-line command mode and enable DTR to act as Talk/Data switch &P0 Set 10 pps pulse dial with 39%/61% make/break &P1 Set 10 pps pulse dial with 33%/67% make/break &P2 Set 20 pps pulse dial with 39%/61% make/break &P3 Set 20 pps pulse dial with 33%/67% make/break &Q0 Select direct asynchronous mode &Q1 Select sync connect with async off-line command mode &Q2 Select sync connect with async off-line command mode and enable DTR dialing of directory zero &Q3 Select sync connect with async off-line command mode and enable DTR to act as Talk/Data switch &Q4 Select Hayes AutoSync mode &Q5 Modem negotiates an error corrected link &Q6 Select asynchronous operation in normal mode &R0 CTS tracks RTS (sync) or CTS is normally ON and will turn OFF only if required by flow control (async) &R1 CTS is always active (sync) or CTS is normally ON and will turn OFF only if required by flow control (async) &S0 DSR is always active &S1 DSR will become active after answer tone has been detected and inactive after the carrier has been lost &T0 Terminate any test in progress &T1 Initiate local analog loopback &T2 Returns ERROR result code &T3 Initiate local digital loopback &T4 Allow remote digital loopback (RDL) &T5 Disallow remote digital loopback request &T6 Request an RDL without self-test &T7 Request an RDL with self-test &T6 Request an RDL without self-test &T7 Request an RDL with self-test &T8 Initiate local analog loop with self-test &V Display current configuration and stored profiles &V1 Display last connection statistics &W0 Store the current configuration as profile 0 &W1 Store the current configuration as profile 1 &X0 Select internal timing for the transmit clock &X1 Select external timing for the transmit clock &X2 Select slave receive timing for the transmit clock