2-16 Install and Configuration
&En n = 0 to 15 &E0 means V.42 normal mode.
***&E1 means V.42 auto-redial mode.
&E2 means V.42 reliable mode.
&E3 means no modem-initiated flow control.
&E4 means CTS modem-initiated flow control.
***&E5 means Xon/Xoff modem-initiated flow control.
***&E6 means Xon/Xoff not passed through.
&E7 means Xon/Xoff passed through.
***&E8 means Enq/Ack pacing off.
&E9 means Enq/Ack pacing on.
&E10 means normal mode flow control off.
***&E11 means normal mode flow control on.
&E12 means pacing off.
***&E13 means pacing on.
&E14 not used.
&E15 not used.
$EBn n = 0 or 1 ***$EB0 enables 10 bit mode.
$EB1 enables 11 bit mode.
%En n = 0 to 3 %E0 means modem will not escape.
***%E1 means +++ method.
%E2 means break method.
%E3 means either +++ or break methods.
#Fn n = 0 to 2 #F0 means no fallback when on-line.
#F1 means fallback from 14400 to 4800 bps when on-line.
***#F2 means fallback to 4800 bps from 14400 bps/fall forward if
line improves.
&F &F loads factory default values from ROM.
$Fn n = 0 or 1 $F0 means do not fallback to normal connect if CR received.
***$F1 means fallback to normal connect if CR received.
&Gn
(Not applicable
in the U.K)
n = 0 to 2 ***&G0 turns off CCITT guard tones. (except for Italy and New Zealand)
&G1 turns on CCITT 550 Hz guard tone.
&G2 turns on CCITT 1800 Hz guard tone. (default for Italy and New
Zealand)
Hn
(Not applicable
in France)
n = 0 or 1 H0 means hang up (go on hook).
H1 means go off hook.
In n = 0 to 2 I0 requests modem ID#.
I1 requests firmware revision #.
I2 for MTS internal use.
L5 L5 lists all current operating parameters.
L6 L6 lists all current S-registers values.
L7 L7 lists additional parameters.
#Ln n = 0 to 3 ***#L0 means modems negotiate V.42 mode.
#L1 means MNP on and LAP-M off.
#L2 means LAP-M on and MNP off.
#L3 means no detection phase but go directly to LAP-M.
Table 2-5. HP AT Command Set
Command Values Description
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