Black Box 32144, Manual

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CHAPTER 5: Hayes Emulation Mode
Table 5-1. Hayes Compatible Commands (continued)
Command Function/Explanation
Z0 Resets modem and recalls stored user profile 0.
Z1 Resets modem and recalls stored user profile 1.
, (comma) PAUSE. No parameters, but default pause time
(in register S8) is 2 seconds.
; (semicolon) FORCED COMMAND STATE. No parameters.
@ WAIT FOR SILENCE BEFORE DIALING. No
parameters, but default wait time (register S7) is
30 seconds.
! (exclamation) INITIATE FLASH HOOK. No parameters.
&C DATA CARRIER DETECT CONTROL*
&C0 DCD always ON when DTR is present.
&C1 DCD ON only in the presence of suitable data.
&C2 DCD ON when DTR is present; then toggles off
for 500 ms upon disconnect.
&D DATA TERMINAL READY CONTROL*
&D0 Ignore DTR.
&D1 Go on-hook, assume command state and
disable auto-answer upon DTR loss.
&D2 Disconnect upon DTR loss.
&D3 Reinitialize upon DTR loss.
&F RECALL FACTORY CONFIGURATION
No parameters.
&G GUARD TONE CONTROL*
&G0 Guard tone disabled.
&G1 Enables 550-Hz guard tone.
&G2 Enables 1800-Hz guard tone.
&J Modem displays OK result code; command has
no other effect. (The modem is configured for
A/A1 control or MI/MIC control via jumpers JP2
and JP3, as detailed in Appendix C.)