Black Box 32144, Manual

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116
MODEM 32144
Table 5-1. Hayes Compatible Commands (continued)
Command Function/Explanation
&L Modem displays OK result code; command has
no other effect. (The modem is configured for
leased line or dialup line operation via the
front-panel QUICK SETUP and/or LINE TYPE
screens.)
&M Can be substituted for &Q.
&P Modem displays OK result code; command has
no other effect. (The pulse dialing ratio is
factory-set, depending on whether the modem
is a US or international model.)
&Q ASYNCHRONOUS/SYNCHRONOUS MODE
&Q0 Asynchronous mode.
&Q1 Synchronous mode 1—
Synchronous/asynchronous mode.
&Q2 Synchronous mode 2—OFF-to-ON DTR
causes the modem to automatically dial a
stored number.
&Q3 Synchronous mode 3—Synchronous mode with
manual dial. (A manually dialed call will switch
immediately to synchronous mode.)
&R RTS AND CTS OPTIONS*
&R0 CTS follows RTS.
&R1 CTS follows DTR from the DTE.
&R2 CTS is on while the modem is on-line.
&S DATA SET READY CONTROL*
&S0 DSR always on.
&S1 DSR operates on according to RS-232
specification.
&S2 Options DSR operation for a crossover
connection.