Black Box MD1640A, MD1641A manual #Pn, $Rn, RFn

		APPENDIX C: Command Summary
P	In Dial Comd.	*Modem will pulse-dial numbers following
		the P.
&Pn	n = 0 or 1	*&P0 means 60-40 pulse ratio.
		&P1 means 67-33 pulse ratio.
#Pn	n = 0, 1, or 2	*#P0 selects no parity.
		#P1 selects odd parity.
		#P2 selects even parity.
* Factory Default Setting
Command	Values	Description
Qn	n = 0, 1 or 2	*Q0 means Result Codes sent.
		Q1 means Result Codes will be suppressed
		(quiet).
		Q2 means Dumb Answer Mode.
&Qn	n = 0 or 1	*&Q0 selects Series II command set.
		&Q1 selects AT command set.
Rn	n = 0 or 1	*R0 means modem will not reverse modes.
	(In Dial Comd.)	R1 means modem will reverse modes.
&Rn	n = 0, 1 or 2	&R0 lets Clear to Send act normally.
		*&R1 forces Clear to Send on.
		&R2 drops for 1 second on disconnect.
&RP		Command Initiates a Retrain that makes
		the processor read Line Probe Information
		(valid only in V.34 mode).
$Rn	n = 0 or 1	*$R0 means disconnect after 12 retransmits.
		$R1 means do not disconnect after 12
		retransmits.
&RFn	n = 0 or 1	&RF0 selects CTS follows RTS.
		*&RF1 selects CTS to act independently

* Factory Default Setting

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