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Command
&Rn
&RAn
&RDn
&RFn
&RN
&RP
&RR
$Rn
Sr=n
Sr?
&Sn
CommPlete Communications Server
Values
Description
n = 0, 1, or 2
Clear to Send Control
&R0 Let CTS state follow RTS state when online.
*** &R1 Force CTS high (on).
&R2 Let CTS drop on disconnect for time set by S24,
then go high again.
n = 0 or 1
Asymmetric Bit Rate
*** &RA0 Enable asymmetric bit rate operation.
&RA1 Disable asymmetric bit rate operation.
n = 0 or 1
Square Wave Ring Detect
&RD0 Full wave ring detect only.
*** &RD1 Full wave and square wave ring detect.
n = 0 or 1
CTS/RTS Interaction Control
&RF0 Let CTS follow RTS.
*** &RF1 Let CTS act independently.
n/a
Rate Renegotiation
Forces the modem to renegotiate the data rate.
n/a
Immediate Line Probe
Initiates a retrain that makes the modem read line
probe information if %DP1 is selected. Valid only
when online in V.34 mode.
n/a
Retrain
Initiates an immediate retrain without a line probe
reading.
n = 0 or 1
Retransmit Count
*** $R0 Disconnect after 12 retransmits.
$R1 Do not disconnect after 12 retransmits.
r = 0–11, 13,
Set Register Value
24, 25, 30,
Set value of S-register r to value of n, where n is
32, 34, 36,
entered in decimal format.
37, 43, 48, or
94; n varies
r = 0–11, 13,
Read Register Value
24, 25, 30,
Read value of S-register r and display value in 3-digit
32, 34, 36,
decimal form.
37, 43, 48, or
94
n = 0, 1, or 2
Data Set Ready Control
&S0 Force DSR high (on).
*** &S1 Let DSR follow CD.
&S2 DSR drops on disconnect for time set by S24,
then goes high again.
E AT Command Summary
81
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