
AT Initialization Commands for the ARN
117353-B Rev. 00
E-5
&P0 Set 10 p/s pulse dial with 39%/61% make/break.
&P1 Set 10 p/s pulse dial with 33%/67% make/break.
&P2 Set 20 p/s pulse dial with 39%/61% make/break.
&P3 Set 20 p/s 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 (async) or acts per V.25 (sync).
&R1 CTS is always active.
&S0 DSR is always active.
&S1 DSR acts per V.25.
&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.
&T5 Disallow remote digital loopback request.
&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 configurations.
&W0 Store the active profile in NVRAM profile 0.
&W1 Store the active profile in NVRAM profile 1.
&X0 Select internal timing for the transmit clock.
(continued)
Table E-1. Summary of AT Modem Initialization Commands
(continued)
Command Function
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