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V34 Command List
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1995-03-01
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NOTE: This file includes commands, result codes, and display codes
NOT AVAILABLE on all models and revisions. Some commands are
new or were omitted from Reference Manual. NOT ALL commands
are available or functional in all modes and states (including
COUNTRY CODE configuration). This document is provided for
reference only and is NOT certified to be free from errors.
This document is produced and editted by Supra's Technical
Support Staff as a customer service.
V34_LIST.TXT Rev 1.6 (PHM 3/1/95) from Supra BBS (503)967-2444
This document covers the following SupraFAXModem products:
SupraFAXModem 288 (External Through v1.000-15-V34_DS)
SupraFAXModem 288i (PC Internal Through v1.000-15-V34_DP)
FLASHER Utility Commands:
Usage: FLASHER <options>
Options: bios = use BIOS calls for screen
debug= save debug information in flasher.log
fast = talk to modem at 115.2Kbps (default is 57.6k)
help = this message
? = same as "help"
mono = use monochrome graphics
slow = talk to modem at 9600bps
The command string buffer on the SupraFAXModem is limited to 200 characters.
DIRECT Commands (Commands NOT preceded by other characters)
A/ Re-execute Last Command
nnn Escape Code per setting in register S2 (Default is ANSI character 43,
the "+" symbol) (This command must be preceded and followed by a
minimum period of no transmission set is register S12.)
<CR> (A carriage return) - Terminate connection attempt in progress during
the dialing or protocol neg. process.
DIALING Commands (Commands that follow ATD)
-()i These symbols and spaces are ignored (or invalid and therefore ignored)
and maybe be used in the dialing string.
0-9 DTMF code for the given number
A-D DTMF code for the given letter
L Dial the last dialing string (limitted to the first 40 characters).
J Perform MNP10 link negotiation at 1200bps (one-shot)
K Enable power level adjustment during MNP10 link negotiation (one-shot)
P Pulse dial the following digits
(Some country codes may not allow this command after the first digit)
R Accepted, but no action occurs.
Sn Use dialing string stored in register n (0 to 3)
T Tone dial the following digits
(Some country codes may not allow this command after the first digit)
W Wait for dialtone (Within the time set in S6 and/or S7)
* DTMF code for "star"
# DTMF code for "gate"
& Wait for "bong" Credit Card billing tone.
@ Wait for "quiet answer" (A 5 second silence.)
, Pause (time set in S8) before finishing dialing string
! Hook flash (go on-hook for 700ms)
^ Turn on 1300Hz call originating pulse
; Return to command state without going "on-hook"
AT Commands (Commands that follow AT)
=x Write value x to the last S register viewed.
? Displays current setting for the last S register accessed.
A Answer Phone Line
Bn BELL/V.2x mode switches for 300 & 1200 bps
B0=V.21 (300 bps) & v.22 (1200 bps)
B1=BELL 103 (300 bps) & Bell 212A (1200 bps) (default in NA)
C1 Carrier Control Selection
Provided for backward compatibility only. Does nothing but return "OK"
D Dial Command
Dials any mixed string of dialing commands. (See Dialing Commands)
Note: If a number is "Blacklisted" or "Delayed" this command will
ERROR rather than processing the dailing attempt. This will
also happen if the S1 register has not yet cleared.
En Command Echo
E0=not echo
E1=do echo (default)
Fn Provided for backward compatibility only. Does nothing but return "OK"
Hn Hook Control
H0=On-Hook (Hang Up)
H1=Off-Hook (pick up phone line) for the time period set in S7.
(In US country code setting the Off-Hook time is unlimitted.)
In Identification Codes
I0=SupraFAXModem product ID code
I1=Programmed ROM Checksum Used in Test
I2=Test Checksum (OK if correct, ERROR if not)
I3=ROM revision code / Model name / Firmware build date
I4=Encrypted report of supported protocols
I5=Supra Copyright / Model
I6=Country Code for country PSTN Signals are Configured for.
I7=DSP Model & Version Code
I8=<Unknown, but it returns 8>
I10=Supported Feature Code List / Model Name / Code Definitions
Ln Speaker Volume
L0,L1 Low
L2 Medium (default)
L3 High
Mn Speaker Control
M0 OFF
M1 On until carrier is received (default)
M2 Always On
M3 On when answering/On only after dialing & until carrier detect
Nn AutoMode Selection (Carrier Rate when Originating Call)
{Function not available or active}
On Return from COMMAND MODE to ONLINE state
O0=Return to ONLINE state
O1=Request a retrain & Return to ONLINE state
P Set dialing mode to PULSE (Sets S14 bit 5 to 1)
Qn Result Code Mode
Q0=Enabled (Default)
Q1=Disabled
Q2=Enabled when Originating, Disabled when answering
Sr? Reports value in S register r
SCr? Reports value is SC register r
Sr=n Write value n into S register r
SCr=n Write value n into SC register r
T Set dialing mode to TONE (Sets S14 bit 5 to 0)
Vn Result Code mode select
V0=Numeric
V1=Verbose (default)
Wn Error Correction Result Code Selection
W0=CONNECT XXXX (DTE rate) (default)
W1=Report Error Correction Mode
W2=CONNECT XXXX (DCE rate)
Xn Dialing mode/CONNECT result codes
X0=Blind Dial (ignore Dialtone & Busy), send CONNECT (no rate)
X1=Blind Dial, send codes set by Wn and S95
X2=follow Dialtone, but ignore Busy, send codes set by Wn and S95
X3=follow Busy, but ignore Dialtone, send codes set by Wn and S95
or BUSY
X4=send codes set by Wn and S95, BUSY, or NO DIALTONE (default)
Yn Long Space Disconnect
Y0=Not active (default, S27 bit7 set to 0)
Y1=Active (S27 bit7 set to 1, see manual for function)
Zn Soft reset and Load Stored profile n (last functional command on line)
Z0=resets modem & loads stored profile 0
Z1=resets modem & loads stored profile 1
&Cn DCD (RLSD) signal control
&C0=DCD always on
&C1=DCD follows carrier state (ON when carrier present)
&Dn Modem reaction to DTR on to off transition greater than S25 setting
a b c (Settings of &Qn)
&D0= N 2 1
&D1= 3 3 1
&D2= 1 1 1
&D3= 4 4 1
List of modem reactions:
N=No Action
1=Hang up if off-hook & auto-answer is disabled
2=Hang up if off-hook & auto-answer not disabled
3=Switch to asynchronous command state
4=Perform soft reset (like ATZ and profile is set by &Y setting)
List of &Q states:
a. &Q0,&Q5,&Q6
b. &Q1,&Q4
c. &Q2,&Q3
&Fn Load Factory Default Configuration
&F0 No flow control, No error correction, No data compression
&F1 MAC hardware flow control, correction & compression active
&F2 Hardware flow control, correction & compression active
(&F2 is default for DOS, WINDOWS, AMIGA, & STAND ALONE units.)
&Gn Guard Tone Selection
&G0 Do Not generate guard tones (US Default)
&G1 Generate 550Hz guard tone (not supported)
&G2 Generate 1800Hz quard tone (World Wide support models only)
&Jn Phone Jack Selection
&J0 Select RJ-11, RJ-41, & RJ-45S (Default)
&J1 Select RJ-12 & RJ-13 (not supported)
&Kn Serial Port Flow Control
&K0=None
&K3=Bidirectional Hardware (RTS/CTS)
&K4=Software (XON/XOFF)
&K5=Transparent Software flow control
&K6=Software (XON/XOFF) & Hardware (RTS/CTS) flow control
&Ln Line Type Selection
&L0 Dial-up line (Default)
&L1 Leased Line (not supported)
&Mn Same function as &Q(0-3) settings.
&Pn Pulse dialing MAKE/BREAK ratio (Only valid as per country code.)
&P0 39%/61% make/break ratio at 10PPS {US/CANADA} (Default)
&P1 33%/67% make/break ratio at 10PPS {UK/Hong Kong}
&P2 39%/61% make/break ratio at 20PPS
&P3 33%/67% make/break ratio at 20PPS {Japan}
&Qn Asynchronous/Synchronous Mode Selection
&Q0 Asynchronous Direct mode
&Q1 * Synchronous Mode 1 (Terminal must support both modes.)
Call placed Async, modem switches to Sync. When DTR is dropped
modem returns to Async.
&Q2 * Synchronous Mode 2 Modem dials number in stored location 0
when DTR goes from LOW to HIGH.
&Q3 * Synchronous Mode 3 Dial number manually on a telephone, and
then bring DTR high to let the modems connect.
* CAUTION! Be VERY careful when issuing these commands! Once you enter
&Q(1-3) and save it to memory, there are only three known
ways to return to Asynchronous Mode:
1. Issue AT &Q(0,5-9) &W from a Synchronous Terminal to restore
the modem to Asynchronous Mode.
2. Connect modem to an Asynchronous Terminal with the DTR
signal (line 20) disabled (a "break-out" box works very
nicely for this) and issue the configuration you want or
AT &Q(0,5-9) &W to return the modem to Asynchronous Mode.
3. Send the modem in to our repair department.
&Q4 Not Used
&Q5 Asynchronous Reliable Mode (most common default)
&Q6 Asynchronous Normal Mode
&Rn RTS Synchronous Mode
(In Asynchronous mode CTS is always ON unless &K3 is set.)
&R0 CTS responds to RTS (default)
&R1 CTS always on unless &K3 is set
&Sn DSR Action Select
&S0 Always on (default)
&S1 Follows EIA specification (Active following carrier tone, and
until carrier is lost.)
&Tn Modem test modes for trained technicians (you must set the serial port
at 2400 or 9600, set the modem with AT&F0, and set S18 between 1 and
255if you wish the tests to stop on their own.)
AT&T0 Terminate test in progress
AT&T1 Local Analog Loopback (+++ then &T0 to stop)
AT&T2 Returns ERROR
AT&T3 Local Digital Loopback for remote modem
AT&T4 Grant request for Remote Digital Loopback (default)
AT&T5 Prohibit request for Remote Digital Loopback
AT&T6 Remote Digital Loopback
AT&T7 Remote Digital Loopback with self-test
AT&T8 Local Analog Loopback with self-test (+++ then &T0 to stop)
&V Display Configuration Profiles
&Wn Write ACTIVE Profile to Stored Profile n
&W0 Writes to profile 0
&W1 Writes to profile 1
&Xn Synchronous Transmit Clock Source
&X0=Modem generated (default)
&X1=DTE supplied
&X2=Derived from the data carrier received from the remote modem.
&Yn Select Configuration Loaded at power-up
&Y0=Load profile 0 (default)
&Y1=Load profile 1
&Zx=n Write telephone number n into register number x (0-3).
\An Maximum MNP Block Size for Stream Links
\A0 64 characters
\A1 128 characters
\A2 192 characters
\A3 256 characters (default)
\Bn Transmit Break of length n x 100ms where n is 1 to 9 in non-error
correction state. (Sends Link Attention in MNP mode)
\F Display Telephone Directory (As stored via AT&Zn)
\Gn Modem-to-Modem XON/XOFF flow control (Normal and Direct Mode Only)
\G0=Disabled (default)
\G1=Enabled
\Jn Enable DTE Auto Rate Adjustment
\J0 Disabled
\J1 DTE rate is adjusted to match carrier rate.
\Kn Break Processing Control (controls remote modem during MNP mode)
When received from local DTE & Modem is in Data Transfer Mode:
\K0,\K2,\K4 Enter command state without sending BREAK to remote
\K1 Clear Modem & Terminal Buffers & send BREAK to remote
\K3 Don't clear Buffers, but send BREAK to remote
\K5(default) Send BREAK to remote in sequence with any transmitted
data (default)
In Escape (Online Command) mode:
\K0,\K1 Clear data buffers and sends break to remote modem.
\K2,\K3 Send break to remote modem immediately.
\K4,\K5(default) Send break to remote modem in sequence with data.
When received from remote modem in non-error correction mode:
\K0,\K1 Clear data buffers and sends break to DTE
\K2,\K3 Send break to DTE immediately.
\K4,\K5(default) Send break in sequence with received data to DTE.
\Ln MNP Block Transfer Control
\L0 Use Stream Mode for MNP Links (default)
\L1 Use Block Mode for MNP Links
\N Operating Mode
\N0 Normal Mode (carrier and port rate may differ - No MNP or V42,
forces &Q6)
\N1 Direct Mode (carrier rate "matches" port rate - No MNP or V42,
forces &Q0)
\N2 Reliable Mode (a V42 or MNP connection must be made or the
modem will hang up, forces &Q5 S36=4 S48=7)
\N3 AutoReliable Mode (default mode where ALL connection are
supported, forces &Q5 S36=7 S48=7)
\N4 LAPM Mode (a V42 connection must be made or the modem will
hang up, forces &Q5 S48=0)
\N5 MNP Mode (a MNP connection must be made or the modem will
hang up, forces &Q5 S36=4 S48=128)
\S Report Active Configuration
%Cn Data Compression Enable/Disable
%C0 Disabled
%C1 MNP5 Enabled
%C2 V.42bis (BTLZ) Enabled
%C3 MNP5 & V.42bis (BTLZ) Enabled
%En Auto Retrain & Fallback/Fall Forword based on line quality monitoring
%E0=Disabled (Default)
%E1=Enable Auto Retrain based on line quality
%E2=Does Nothing...Rockwell Function Mapped in %G1 register.
%E3=Undefined
%Fn Split-Speed Direction Select
%F1 75TX/1200RX
%F2 1200TX/75RX
%Gn Rate Renegotiation (Fall Back/Forward) based on line quality monitor
readings (Fall Forward only if "good" quality for period set in S190)
%G0=Disabled
%G1=Enabled (Default)
%L Reports Received Signal Level (at connection to DSP) nnn in -dBm.
nnn=9 or stronger reports as 9
nnn=10 to 45 reports as value directly
nnn=46 or weaker reports as 46
%Q Report Received signal Quality aka EQM (nnn range 0 to 127)
These values are for V.32 / V.32bis connections. VFC rates are not
the same, but follow the same concept. For detailed data on what
the %Q value is, please download the file %L_&_%Q.TXT
nnn=0 to 7 current signal quality excellent (higher rate may be used)
nnn=8 to 20 current signal good (best carrier rate for line condition)
nnn=21 to 30 current signal poor (lower carrier rate should be used)
nnn=31 to 127 signal very bad (or gone), try forcing a lower rate
NOTE: Modem uses 8 and 20 as rate renegotiation watermarks.
%TTnn PTT Testing Utilities {Some settings not valid as listed}
(Set S10=255 to transmit data in the absence of a received signal)
00-09 DTMF tone dial digits 0 to 9
0A DTMF digit *
0B DTMF digit A
0C DTMF digit B
0D DTMF digit C
0E DTMF digit #
0F DTMF digit D
10 v.21 channel #1 mark (originate) symbol
11 v.21 channel #2 mark symbol
12 v.23 backward channel mark symbol
13 v.23 forward channel mark symbol
14 v.22 originate signalling at 600 bps
15 v.22 originate signalling at 1200 bps
16 v.22bis originate signalling at 2400 bps
17 v.22 answer signalling (guard tone if PTT required)
18 v.22bis answer signalling (quard tone if required)
19 v.21 channel #1 space symbol
1A v.21 channel #2 space symbol
1B v.23 backward channel space symbol
1C v.23 forward channel space symbol
1D v.27ter carrier
1E v.29 carrier
20 v.32 at 9600 bps
21 v.32bis at 14400 bps
22 v.17 at 14400 bps
30 Silence (on-line) - i.e. go off-hook
31 v.25 answer tone
32 1800 Hz guard tone
33 v.25 calling tone (1300Hz)
34 Fax calling tone (1100Hz)
40 V.21 Channel 2
50 V.FC at 14400 bps
51 V.FC at 16800 bps
52 V.FC at 19200 bps
53 V.FC at 21600 bps
54 V.FC at 24000 bps
55 V.FC at 26400 bps
56 V.FC at 28800 bps
60 V.34 at 2400 bps ?
61 V.34 at 4800 bps ?
62 V.34 at 7200 bps ?
63 V.34 at 9600 bps ?
64 V.34 at 12000 bps ?
65 V.34 at 14400 bps ?
66 V.34 at 16800 bps ?
67 V.34 at 19200 bps ?
68 V.34 at 21600 bps ?
69 V.34 at 24000 bps ?
6a V.34 at 26400 bps ?
6b V.34 at 28800 bps ?
6c V.34 ?
6d V.34 ?
*B Return Blacklisted Numbers
Displays a numbered chart of currently BLACKLISTED numbers {Except
permanently forbidden numbers based on country setting} "OK" is
returned if no temporary numbers are BLACKLISTED.
*D Return Delayed Numbers
Displays a numbered chart of DELAYED numbers and the length of delay
in the format HH:MM:SS "OK" is returned if no numbers are delayed.
*Hn Link Negotiation Speed (MNP 10)
*H0 Link negotiation occurs at highest supported rate (Default)
*H1 Link negotiation occurs at 1200 bps.
(Mainly used for Celluar Connections)
*H2 Link negotiation occurs at 4800 bps.
{Do NOT use the )M1 setting with *H2 mode set.}
(Mainly user for poor quality telephone network connections)
*NC? Displays All Country Codes & Configurations Currently Supported
(ATi6 reports currently configured setting)
*NCn Country Select (Only some of the possible countries are supported)
Sets country PSTN parameters to the code number specified.
You MUST reset (ATZ or power cycle) the modem for change to take occur.
*NC000 United States
*NC001 Austria
*NC002 Belgium
*NC003 Denmark
*NC004 Finland
*NC005 France
*NC006 Germany
*NC007 Ireland
*NC008 Italy
*NC010 Netherlands
*NC011 Norway
*NC012 Portugal
*NC013 Spain
*NC014 Sweden
*NC015 Switzerland
*NC016 United Kingdom
*NC017 Greece
*NC020 Canada
*NC021 Mexico
*NC022 United States
*NC040 Australia
*NC043 Japan
*NC047 Singapore
*NC048 New Zealand
*Zn Change Dialing Codes (Used in countries like NORWAY that support two
methods of pulse dialing.)
*Z0 Use dial code 0 (default)
*Z1 Use dial code 1
#CID? Displays current CallerID mode (0-2)
NOTE! Command IS stored in NVRAM, and IS NOT set by ATZn or AT&Fn
#CID=n Caller ID Mode
#CID=0 Disable Caller ID (Default)
NOTE! Command IS stored in NVRAM, and IS NOT set by ATZn or AT&Fn
#CID=1 Enable Formatted Caller ID Mode
NOTE! Command IS stored in NVRAM, and IS NOT set by ATZn or AT&Fn
Result code syntax is as follows:
DATE=MMDD (where MM is month number 01-12 & DD is day 01-31)
TIME=HHMM (where HH is hour 00-23 & MM is minute 00-59)
"Single Page Mode"
NMBR= number code or statement*
* The NUMBER CODE is normally either the subscriber's area code,
local exchange, and subscriber loop number, OR a code unique to
that individual subscriber. STATEMENTs are used for calls from
non Caller ID Areas and subscribers requesting no display.
NAME= listed subscriber name <this is an option not always supported>
"Multiple Page Mode"
MESG= formatted number string * **
* Here is an example string: 030A35303339363732343030
The string uses this code: CCLL#0#1#2#3#4#5#6#7#8#9
CC (03) is the code meaning this is "Multiple Page" Caller ID
LL is the hexadecimal length of the data in the string.
(in this case 0A hex - 10 decimal)
#n's are the ASCII digits dialed (in hexadecimal)
A neat trick to convert these to decimal is to note that
the first digit is always a number "3" and the second digit
is the decimal number dialed, so the formatted string:
030A35303339363732343030 converts directly to 5039672400
** At the time of this printing, conversion of "Multiple Page"
Caller ID string coversion is not supported in the modem,
so the data is displayed in the raw hexadecimal format.
#CID=2 Enable Raw (ASCII printable HEX number) Mode
NOTE! Command IS stored in NVRAM, and IS NOT set by ATZn or AT&Fn
#CID=? Returns Caller ID Modes supported.
)M Cellular Power Level Adjustments (MNP 10)
)M0 Power not adjusted during MNP 10 link negotiation (Default)
)M1 Power level adjusted during MNP 10 link negotiation.
{Do NOT use the )M1 setting with *H2 mode set.}
@Mn MNP-10 Power Transmit Level (0-31, 0 default)
+MS= Configures the modulation(s), and rate(s) currently supported
Syntax: +MS=<mod>,<automode>,<minimum rate>,<maximum rate> <CR>
{Any values omitted remain at the current setting}.
Example: +MS? responds with "74,1,14400,28800" for VFC ONLY mode.
To return to "Default" USA mode of full V34,VFC,V32bis,
V22bis, Bell 212, and Bell 103 (assuming B1 is set) the
user can enter just "+MS=11,,300, <CR>" however an input
of "+MS=11,1,300,28800 <CR>" would give the same result.
<mod> specifies the PREFERRED modulation as per the list below.
<mod> Protocol Possible Carrier Rate(s) (bps)
+----+----------+---------------------------------------------+
| 0 | V.21 | 300 |
+----+----------+---------------------------------------------+
| 1 | V.22 | 1200 |
+----+----------+---------------------------------------------+
| 2 | V.22bis | 2400 or 1200 |
+----+----------+---------------------------------------------+
| 3 | V.23 | 1200 Transmit / 75 Receive (originate mode) |
| | | 75 Transmit / 1200 Receive (answering mode) |
+----+----------+---------------------------------------------+
| 9 | V.32 | 9600 or 4800 |
+----+----------+---------------------------------------------+
| 10 | V.32bis | 14400, 12000, 9600, 7200, or 4800 |
+----+----------+---------------------------------------------+
| 11 | V.34 | 28800, 26400, 24000, 19200, 16800, 14400, |
| | | 12000, 9600, 7200, 4800, or 2400 |
+----+----------+---------------------------------------------+
| 64 | Bell 103 | 300 |
+----+----------+---------------------------------------------+
| 69 | Bell 212 | 1200 |
+----+----------+---------------------------------------------+
| 74 | V.FC | 28800, 26400, 24000, 19200, 16800, or 14400 |
+----+----------+---------------------------------------------+
<automode> 0 (Disable) Limits the modem to the PREFERRED <mod>
protocol within the specified <maximum rate>
and <minimum rate> range.
1 (Enable - Default) Allows the modem to "fall back"
to other protols within the specified <maximum rate>
and <minimum rate> range for which standard automode
procedures exist using V8 or V32 Annex A.
Exampe: Failed V34 connection attempts can automode
to VFC or lesser protocols, but a Bell 103 connection
attempt cannot automode to V23.
<minimum rate> sets the lowest carrier rate that may be used.
(Default 300 bps)
<maximum rate> sets the maximum carrier rate that may be used.
(Default 28800 bps) The maximum rate is AUTOMATICALLY
adjusted down to the current serial port (DTE) rate if
the maximum rate is above the current DTE rate. This
change DOES NOT happen automatically if the DTE rate
is increased. AT&Fn, ATZn, and the +MS command itself
are the only standard methods to increase the maximum
rate setting. Setting a non-zero value in the S37
command adjusts the +MS rate commands as well.
+MS? Displays the CURRENTLY CONFIGURED +MS settings
<mod>,<automode>,<minimum rate>,<maximum rate>
+MS=? Displays the SUPPORTED +MS options/ranges
(<mod>,...),(<automode>,...),(<minimum rate>),(<maximum rate>)
-B0 MNP 10 Forced Fallback to 1200bps
-Cn MNP Mode Control
-C0 MNP10 Sync Mode
-C1 MNP10 Async Mode
-C2 MNP 2
-C3 MNP 3
-Kn MNP Extended Services (MNP 10)
-K0 Disable MNP 10 extended services (Default)
-K1 Enable MNP 10 extended services
-K2 Enable MNP 10 extended services detection
-Qn Fallback to v.22bis/v.22 in MNP10 mode
-Q0 Disabled (Fallback only allowed to 4800 bps)
-Q1 Enabled (Fallback allowed to v.22bis/v.22) (Default)
-Un Forced Transmit Level Change During MNP10 Fall Forward
-U Allows automatic attenuation to -10 dBm
-U1 Allows automatic attenuation to as low as -18 dBm
-U2 Allows automatic attenuation to as low as -22 dBm
-U3 Allows automatic attenuation to as low as -25 dBm
-U4 Forces 2400bps transmit level to -10 dBm
-U5 Forces 2400bps transmit level to -18 dBm
-U6 Forces 2400bps transmit level to -22 dBm
-U7 Forces 2400bps transmit level to -25 dBm
:En Compromise Equalizer
:E0 Disabled
:E1 Enabled
FAX AT commands of special interest to Supra Users:
+FAE=n (CLASS 1 Only) Adaptive Answer / Silent Answer Mode Control
NOTE! Command IS stored in NVRAM, and IS NOT set by ATZn or AT&Fn
0 Disable Both
1 Adaptive Answer ONLY
2 Adaptive Answer & Silent Answer
3 Silent Answer ONLY
4 Silent Answer PLUS
FAX mode if CNG Tone Detected
DATA modem if Calling Tone Detected
(Calling Tone is 1300 Hz for 600ms on
followed by 1700ms off)
+FAA=n (CLASS 2 Only) Adaptive Answer / Silent Answer Mode Control
NOTE! Command IS stored in NVRAM, and IS NOT set by ATZn or AT&Fn
0 Disable Both
1 Adaptive Answer ONLY
2 Adaptive Answer & Silent Answer
3 Silent Answer ONLY
4 Silent Answer PLUS
FAX mode if CNG Tone Detected
DATA modem if Calling Tone Detected
(Calling Tone is 1300 Hz for 600ms on
followed by 1700ms off)
S Registers
S0 Number of Rings to Auto Answer (0 to 255) (0 is disable & default)
S1 Number of Rings before last answer.
S2 Escape Code character (0 to 255) (default is 43 "+")
S3 Carriage Return character (0-127) (default is 13)
S4 Line Feed character (0-127) (default is 10)
S5 Backspace character (0-32) (default is 8)
S6 Time to Wait before Blind Dial (2-255 seconds) (default is 2)
(Applies only in X,X1, or X3 dialing mode)
S7 Time to Wait for Carrier (1-255 seconds) (default is 50)
S8 Pause Time for Comma Dial Command (2-255 seconds) (default is 2)
S9 Time to Wait Before Recognizing Carrier (1-255 1/10 seconds)
(Default is 12)
S10 Delay from Lost Carrier to Hang Up (1-255 1/10 seconds) (Default is 14,
Modem assumes carrier always present if set to 255)
S11 DTMF Tone Duration/Spacing (35 to 102 1/100 seconds) (Default is 95)
S12 Escape Code Guard Time (0 to 255 1/50 seconds) (0 to disable, the
default is 50)
S13 Reserved
S14 Bit Mapped Option Status Codes
Bit(Dec)
0 (1) Reserved
1 (2) Command echo (En)
0 Disabled (E0)
1 Enabled (E1 default)
2 (4) Quiet Mode (Qn)
0 Send result codes (Q0 default)
1 No result codes (Q1)
3 (8) Result codes (Vn)
0 Numeric (V0)
1 Verbose (V1 default)
4 (16) Reserved
5 (32) Dial Mode
0 Tone (T default)
1 Pulse (P)
6 (64) Reserved
7 (128) Carrier Mode
0 Answer
1 Originate
S15 Reserved
S16 Diagnostic Test Mode setting -Bit Mapped (default 0)
0 &T1 0 Disable 1 Enable
1 Not Used
2 &T3 0 Disable 1 Enable
3 &T4/&T5 0 Off 1 In progress
4 &T6 0 Disable 1 Enable
5 &T7 0 Disable 1 Enable
6 &T8 0 Disable 1 Enable
7 Not Used
S17 Reserved
S18 Test Mode Timer (0-255 seconds, 0=Runs endlessly)
S19 Reserved
S20 Reserved
S21 Bit Mapped Option Status Codes
Bit(Dec)
0 (1) Set by &Jn command but ignored otherwise
0 &J0 (default)
1 &J1
1 (2) Reserved
2 (4) CTS Mode (&Rn)
0 CTS always on (&R0)
1 CTS follows RTS (&R1 default)
3 (8) & 4 (16) DTR behavior (&Dn)
0,0 &D0 (default)
1,0 &D1
0,1 &D2
1,1 &D3
5 (32) DCD (RLSD) behavior (&Cn)
0 &C0 (Default)
1 &C1
6 (64) DSR behavior (&Sn)
0 &S0 (Default)
1 &S1
7 (128) Long space diconnect (Yn)
0 Y0 (Default)
1 Y1
S22 Bit Mapped Option Status Codes
Bit(Dec)
0 (1) & 1 (2) Speaker volume (Ln)
0,0 Low (L0)
1,0 Low (L1)
0,1 Medium (L2 default)
1,1 High (L3)
2 (4) & 3 (8) Speaker control (Mn)
0,0 Disabled (M0)
1,0 On until carrier (M1 default)
0,1 ON Always (M2)
1,1 On during handshake (M3)
4 (16), 5 (32), & 6 (64) Dialing Mode / Result Codes (Xn)
0,0,0 X0
1,0,0 Reserved
0,1,0 Reserved
1,1,0 Reserved
0,0,1 X1
1,0,1 X2
0,1,1 X3
1,1,1 X4 (Default)
7 (128) Reserved
S23 Bit Mapped Option Status Codes
Bit(Dec)
0 (1) Grant RDL
0 RDL not allowed (&T5)
1 RDL allowed (&T4 default)
1 (2), 2 (4), & 3 (8) Assumed DTE Rate
0,0,0 0-300 bps
1,0,0 600 bps
0,1,0 1200 bps
1,1,0 2400 bps (Default)
0,0,1 4800 bps
1,0,1 9600 bps
0,1,1 19200 bps
1,1,1 38400 bps or higher
4 (16) & 5 (32) Assumed DTE parity
0,0 Even
1,0 Reserved
0,1 Odd
1,1 None (default)
6 (64) & 7 (128) Guard tone (&Gn)
0,0 None (&G0 Default)
1,0 550 Hz (&G1)
0,1 1800 Hz (&G2)
1,1 Reserved
S24 Sleep Inactivity Timer (0-255 seconds 0 default/disable)
Number of seconds before modem enters sleep mode without either DTE or
phone line activity.
S25 Delay to DTR (0-255 1/100 seconds, 5 default)
S26 RTS/CTS Delay (0-255 1/100 seconds, 1 default) (Sync mode only)
S27 Bit Mapped Option Status
Bit(Dec)
0 (1), 1 (2), 3 (8) Sync/Async Mode Selection (&Mn/&Qn)
0,0,0 &M0/&Q0
1,0,0 &M1/&Q1
0,1,0 &M2/&Q2
1,1,0 &M3/&Q3
0,0,1 &Q4
1,0,1 &Q5 (Default)
0,1,1 &Q6
2 (4) Leased line control (&Ln)
0 Dial-up line (&L0 default)
1 Leased line (&L1)
4 (16) & 5 (32) Internal Sync clock select (&Xn)
0,0 Internal (&X0 default)
1,0 External (&X1)
0,1 Slave (&X2)
6 (64) CCITT/Bell Mode (Bn)
0 CCITT (B0)
1 Bell (B1 US default)
7 (128) Reserved
S28 Bit Mapped Options
Bit(Dec)
0 (1) V.23 split screen (\Wn)
0 Disabled (\W0 default)
1 Enabled (\W1)
1 (2) V.23 split screen direction
0 75Tx (%F0 default)
1 1200Tx (%F1 default)
2 (4) V.23 half-duplex
0 Disabled
1 Enabled (%F3)
3 (8) & 4 (16)
Pulse dialing mode (&Pn)
0,0 &P0 (Default)
1,0 &P1
0,1 &P2
1,1 &P3
5 (32) Reserved
6 (64) Reserved
7 (128) Reserved
S29 Flash Dial Modifier Time (0-255 Unit 10 ms, 0=disable 70=default)
S30 Inactivity Timer (0-255 Unit 10 sec, 0=disable {default})
In Reliable mode any data transfer resets timer.
In Normal mode only sent data resets timer.
S31 Bit Mapped Options
Bit(Dec)
0 (1) Reserved
1 (2) Auto Mode Selection
0 Disabled (N0)
1 Enabled (N1 default)
2 (4), 3 (8) Error Correction Result Code (Wn)
0,0 DTE Speed only (W0 default)
1,0 Full Reporting (W1)
0,1 DCE Speed only (W2)
4 (16) Reserved
5 (32) Reserved
6 (64) Reserved
7 (128) Reserved
S32 XON Charactor (0-255, Default 17)
S33 XOFF Charactor (0-255, Default 19)
S36 Negotiation Failure Treatment (0-7 7 is default)
Fallback options when S48=128 or error correction link fails:
Bits 0-2
2 1 0 (Dec)
0,0,0 (0) Disconnect
0,0,1 (1) Establish Direct connection
0,1,0 (2) Undefined
0,1,1 (3) Establish Normal connection
1,0,0 (4) Establish MNP connection if possible, else Disconnect
1,0,1 (5) Establish MNP connection if possible, else Direct Mode
1,1,0 (6) Undefined
1,1,1 (7) Establish a MNP connection if possible, else Normal Mode
Bits 3-7 Reserved
S37 Forced Single Carrier Rate (0-1,5-12 0 is default)
{Note: All S37 values map rate(s) to the +MS command}
0 Carrier Rate at the rate the last AT command was issued.
(If rate is above highest carrier rate, then the highest
carrier rate the modem supports is used.)
1 300 bps (Bell 103 / V.21)
2-4 Undefined
5 1200 bps (Bell 212A / V.22)
6 2400 bps (V.22bis or V.34)
7 1200/75 bps (V.23)
8 4800 bps (V.32 or V.34)
9 9600 bps (V.32 or V.34)
10 12000 bps (V.32bis or V.34)
11 14400 bps (V.32bis, VFC, or V.34)
12 7200 bps (V.32bis or V.34)
S38 Delay Before Forced Disconnect (0-255 seconds, default 20)
0-254 Delay in seconds from H command, or DTR toggle ON or OFF (if
modem is set to follow DTR), before modem disconnects.
255 Modem send data out of buffer until completed or connection
is lost.
S39 Flow Control
0 None &K0
3 RTS/CTS &K3
4 XON/XOFF &K4
5 Transparent XON/XOFF &K5
6 RTS/CTS & XON/XOFF &K6
S40 Bit Mapped Option Status Codes
Bit(Dec)
0 (1) MNP Extended Services (-Kn)
0 Disable (-K0)
1 Enable (-K1)
1 (2) Power Level Adj. for Cellular Use [)Mn]
0 Auto Adj. [)M0 default
1 Force Adj. [)M1]
2 (4) MNP Link negotiation speed (*Hn)
0 At highest rate (*H0 default)
1 At 1200 bps (*H1)
3 (8), 4 (16), & 5 (32) Break Handling (\Kn)
0,0,0 \K0
1,0,0 \K1
0,1,0 \K2
1,1,0 \K3
0,0,1 \K4
1,0,1 \K5
6 (64) & 7 (128) MNP Block size (\An)
0,0 64 (\A0)
1,0 128 (\A1)
0,1 196 (\A2)
1,1 256 (\A3)
S41 Bit Mapped Option Status Codes
Bit(Dec)
0 (1) & 1 (2) Compression Selection (%Cn)
0,0 Disabled (%C0)
1,0 MNP 5 (%C1)
0,1 V.42bis (%C2)
1,1 MNP 5 & V.42bis (%C3)
2 (4) Auto Retrain (%En)
0 Disable (%E0 default)
1 Enable (%E1)
3 (8) Modem to Modem Flow Control (\Gn)
0 Disable (\G0 default)
1 Enable (\G1)
4 (16) Block mode control (\Ln)
0 Stream (\L0 default)
1 Block (\L1)
5 (32) Reserved
6 (64) Reserved
7 (128) Reserved
S46 Protocol Selection (136 or 138) (Affects v.42/v.42bis mode)
136 Disable Compression
138 Enable Compression (default)
S48 v.42 Negotiation (0,7,128)
0 Disable Negotiation, proceed with LAPM
7 Enable Negotiation (default)
128 Disable Negotiation, fallback per S36 setting
S82 LAPM Break Handling Options (3,7,128)
3 Expedited: Modem sends break immediately & data integrity is
maintained before and after break.
7 Destructive: Modem sends break immediately & data being
processed by each modem at that time is destroyed.
128 In sequence: Modem sends break in sequence with transmitted
data & data integrity is maintained before and after
the break
S86 Report Connection Failure Cause Code
0 Normal disconnect
1-3 Undefined Error Code
4 Carrier loss
5 No error correction at other end
6 No response to feature negotiation
7 This modem is ASYNC only, other is SYNC
8 No framing technique in common
9 No protocol in common
10 Bad response to feature negotiation
11 No sync information from remote
12 Normal hangup initiated by remote
13 Retransmission limit reached
14 Protocol violation occured
15-255 Undefined Error Code
S95 Extended Result Code Control (default sum is 0)
Any non-zero value in this register controls the result code without
regard to the current Wn setting.
Each bit set high in this register enables the corresponding result
code regardless of the W command setting.
Bit (Decimal Value)
0 (1) CONNECT XXXX result code gives DCE to DCE rate instead of
local DTE to DCE rate.
1 (2) Append /ARQ to verbose CONNECT result code if protocol is NONE
2 (4) Enable CARRIER XXXX result code
3 (8) Enable PROTOCOL XXXX result code
4 (16) Undefined
5 (32) Enable COMPRESSION result code
6 (64) Undefined
7 (128) Enable RINGING result code for ringback detection
S109 V32/V32bis Negotiation Rate Selection (default sum is 62)
{Function not available or active}
S110 V32/V32bis/VFC Mode & Rate Negotiation Control (Default is 14)
Note: This register does NOT affect the +MS settings.
Bit (Decimal Value)
0 (1) & 1 (2) V32/V32bis Support
0,0 V32 only w/o rate adjust
1,0 V32bis w/o rate adjust
0,1 V32bis with rate adjust (default)
1,1 V32bis, starting at lowest V.32bis rate set by +MS
{In V.FC only models S109 was used instead of +MS}
2 (4) VFC Support
0 Disabled (Disabling V.FC also DISABLES V.34)
1 Enabled (default)
3 (8) V.8/V.34 Support
0 Disabled
1 Enabled (default)
4 (16) Reserved
5 (32) Reserved
6 (64) Reserved
7 (128) "Prefer VFC Mode"
0 Disabled (default)
1 Enabled (Modem makes VFC connections over V.34
connections when handshaking with modems
supporting both protocols.)
S190 Minimum "GOOD" EQM (see %Q) Time (10-255 seconds) (60 default)
V32,V32B,VFC,& V34 connections are affected. S190 sets the minimum
period the EQM (%Q) level must be "GOOD" before attempting to "fall
forward" to a higher rate. (Affects %E2 / %G1 setting)
S191 EQM Automatic Rate Adaption Bias (0-255, Zero Bias 128, Default 130)
This adjustment affects V32,V32B,VFC,& V34 operation. The bias
offset is summed with the EQM(%Q) reading to determine the carrier
rate to select during initial TRAIN and RE-TRAINS (Rate Renegotiation
(Fall Back/Forward) & %Q reading are NOT affected by the S191 setting)
-Positive bias (values above 128) tends to DECREASE the initial carrier
rate for a given connection.
-Negative bias (values below 128) tends to INCREASE the initial carrier
rate for a given connection.
S192 Special Function Control
Bit (Decimal Value)
0 (1) Silent Answer Snoop Mode (0 is Default when SA mode is enabled)
0 "Standard" Full CNG (1100Hz +/-40 Hz tone for 500ms +40%
/-15%, then a 3000ms +/-15% period w/o a 1100Hz +/-40 Hz
tone longer than 100ms.) "Snoop" occurs for 3 seconds
after each ring, and for 12 seconds after the last ring.)
1 "Fast" CNG Tone Only (1100Hz +/-40 Hz tone for 500ms +40%
/-15%) "Snoop" occurs for 3 seconds after each ring, and
for 5 seconds after the last ring. Voices, Music, or
Signals containing 1100Hz +/-40 Hz for 500ms may cause
false detection in this mode.
1 (2) Adaptive Answer Mode
0 Attempt Data Carrier First (FAX fallback if failed Data)
In this mode, Adaptive Answer Accept Data Carriers
primarily and switches to FAX mode if Data was not
sucessful (no CNG tone required, which means that
any and all failed data connections are handled as
valid FAX call attempts).
1 Attempt Data Carrier First (FAX if CNG Tone - Default)
In this mode, Adaptive Answer Accept Data Carriers
primarily (but delays data carrier ANSWER tone for
4 seconds to allow a possible CNG tone detect to
occur), but switches to FAX mode if and only if a
CNG tone is detected.
2 (4) Reserved
3 (8) Reserved
4 (16) Reserved
5 (32) Rate Renegotiation Display
0 Disabled (Default)
1 Enabled
REMOTELY initiated renegotiation causes the modem to
display a "R" followed by an up and down arrow symbol
during the process.
LOCALLY initiated renegotiation causes the modem to
display a "L" followed by either an up arrow (if
conditions have improved) or a down arrow (if
conditions have degraded) symbol during the process.
6 (64) "Demo" Mode
0 Disabled (Default)
1 Enabled where modem display cycles V34 288 LP DC
as if it is connected. Issue ATZ after clearing
this command to return normal operation.
7 (128) 0 Silent Answer Reason Code OFF (Default)
1 Silent Answer Reason Code ON
"CNG -- SA"
SilentAnswer or SilentAnswer Plus code detects CNG
"CNG -- Adaptive Answer"
Adaptive Answer code detects CNG
"DATA Timeout"
Data mode timed out during an Adaptive Answer
S201 Celluar Transmit Level / Configuration Status Codes
Bit (Decimal Value)
0 (1) Initial Cellular Power Level Bit 1 of 5 (Set by @Mn Command)
1 (2) Initial Cellular Power Level Bit 2 of 5 (Set by @Mn Command)
2 (4) Initial Cellular Power Level Bit 3 of 5 (Set by @Mn Command)
3 (8) Initial Cellular Power Level Bit 4 of 5 (Set by @Mn Command)
4 (16) Initial Cellular Power Level Bit 5 of 5 (Set by @Mn Command)
5 (32) Compromise Equalizer Enable Command (Set by :En Command)
6 (64) Reserved
7 (128) Reserved
S202 Remote Access Escape Character (0-255, Default 170)
{Function not available or active}
SCn=n Telephone Signal Cadence Settings (Defaults change with country code)
Each register "pair" holds the value for each setting. To set a
value, divide the setting by 256. The integer value goes in the
second (high byte) register, while the remainder (low byte) goes in
the first. (A setting of 516 for the Phase 1 Minimum BUSY ON Time
period would convert to 2 with a of remainder 4, and could be set by
sending AT SC0=4 SC1=2 to the modem.) Settings are in 1/100ths of a
second. Entries are listed as follows Minimum ON Time (2 bytes),
Maximum ON Time (2 bytes), Min. OFF Time (2 bytes), Max. OFF Time
(2 bytes), Number of valid singal cycles to occur before the signal
is accepted as valid (1 byte). Some countries codes specify a two
PHASE cadence pattern (On-Off in one pattern followed by a different
On-Off pattern) for some singals, and in such cases, the "PHASE 2"
entries would have NON-ZERO values (the US country code setting only
supports single PHASE cadence patterns or patterns that just repeat
the same On-Off pattern over and over.)
(Listed default values are for the United States values)
SC(0-8) PHASE 1 BUSY
Minimum ON Time = 42 ( SC0=42 SC1=0 )
Maximum ON Time = 58 ( SC2=58 SC3=0 )
Minimum OFF Time = 42 ( SC4=42 SC5=0 )
Maximum OFF Time = 58 ( SC6=58 SC7=0 )
Number of Cycles = 4 ( SC8=4 )
(In the US SC0=22 & SC4=22 allows CONGESTION ("FAST" BUSY signals to
be detected as a BUSY signal.)
SC(9-17) PHASE 1 RINGBACK
Minimum ON Time = 90
Maximum ON Time = 300
Minimum OFF Time = 290
Maximum OFF Time = 460
Number of Cycles = 1
SC(18-26) PHASE 1 CONGESTION
Minimum ON Time = 22
Maximum ON Time = 28
Minimum OFF Time = 22
Maximum OFF Time = 28
Number of Cycles = 4
SC(27-35) PHASE 1 DIALTONE 1
Minimum ON Time = 0
Maximum ON Time = 0
Minimum OFF Time = 0
Maximum OFF Time = 0
Number of Cycles = 1
SC(36-44) PHASE 1 DIALTONE 2
Minimum ON Time = 0
Maximum ON Time = 0
Minimum OFF Time = 0
Maximum OFF Time = 0
Number of Cycles = 1
SC(45-53) PHASE 2 BUSY
Minimum ON Time = 0
Maximum ON Time = 0
Minimum OFF Time = 0
Maximum OFF Time = 0
Number of Cycles = 1
SC(54-62) PHASE 2 RINGBACK
Minimum ON Time = 0
Maximum ON Time = 0
Minimum OFF Time = 0
Maximum OFF Time = 0
Number of Cycles = 1
SC(61-71) PHASE 2 CONGESTION
Minimum ON Time = 0
Maximum ON Time = 0
Minimum OFF Time = 0
Maximum OFF Time = 0
Number of Cycles = 1
SC(72-80) PHASE 2 DIALTONE 1
Minimum ON Time = 0
Maximum ON Time = 0
Minimum OFF Time = 0
Maximum OFF Time = 0
Number of Cycles = 1
SC(81-89) PHASE 2 DIALTONE 2
Minimum ON Time = 0
Maximum ON Time = 0
Minimum OFF Time = 0
Maximum OFF Time = 0
Number of Cycles = 1
Connection Result Codes:
Numeric Verbose
0 OK
1 CONNECT (300 bps)
2 RING
3 NO CARRIER
4 ERROR
5 CONNECT 1200
6 NO DIALTONE
7 BUSY
8 NO ANSWER
9 CONNECT 0600
10 CONNECT 2400
11 CONNECT 4800
12 CONNECT 9600
13 CONNECT 7200
14 CONNECT 12000
15 CONNECT 14400
16 CONNECT 19200
17 CONNECT 38400
18 CONNECT 57600
19 CONNECT 115200
22 CONNECT 1200/75 (V.23)
23 CONNECT 75/1200 (V.23)
24 DELAYED
32 BLACKLISTED
33 FAX
35 DATA
40 CARRIER 300
44 CARRIER 1200/75 (V.23)
45 CARRIER 75/1200 (V.23)
46 CARRIER 1200
47 CARRIER 2400 (V.22bis or V.34)
48 CARRIER 4800 (V.32, V.32bis, or V.34)
49 CARRIER 7200 (V.32bis or V.34)
50 CARRIER 9600 (V.32, V.32bis, or V.34)
51 CARRIER 12000 (V.32bis or V.34)
52 CARRIER 14400 (V.32bis or V.34)
53 CARRIER 16800 (V.34 only)
54 CARRIER 19200 (V.34 only)
55 CARRIER 21600 (V.34 only)
56 CARRIER 24000 (V.34 only)
57 CARRIER 26400 (V.34 only)
58 CARRIER 28800 (V.34 only)
59 CONNECT 16800
61 CONNECT 21600
62 CONNECT 24000
63 CONNECT 26400
64 CONNECT 28800
66 COMPRESSION: CLASS 5 (MNP 5)
67 COMPRESSION: V.42BIS (BTLZ)
69 COMPRESSION: NONE
76 PROTOCOL: NONE
77 PROTOCOL: LAP-M (V.42)
80 PROTOCOL: ALT (MNP)
81 PROTOCOL: ALT - CELLULAR (MNP 10)
95 CARRIER 14400/VFC
96 CARRIER 16800/VFC
97 CARRIER 19200/VFC
98 CARRIER 21600/VFC
99 CARRIER 24000/VFC
100 CARRIER 26400/VFC
101 CARRIER 28800/VFC
200 RINGING
+FC +FCERROR
288 EXTERNAL DISPLAY CODES
Red LED's
OH Off Hook
RD Receiving Data
SD Sending Data
TR Terminal Ready (Follows DTR per &Dn setting)
Green LED Display PANEL
AA Auto Answer (RI displayed during ring)
CD Carrier Detected
DC Data Compression in use
DI Dialing
DP Data Pump not valid for install FLASH ROM code, swap needed.
FX FAX MODE
L^ (L followed by an UP arrow) LOCALLY initiated renegotiation
downward in carrier rate. (See S192 bit 5)
Lv (L followed by a DOWN arrow) LOCALLY initiated renegotiation
downward in carrier rate. (See S192 bit 5)
LP LAPM Error Correction in use.
M2 MNP2 Error Correction in use.
M3 MNP3 Error Correction in use.
M4 MNP4 Error Correction in use.
M5 MNP5 Data Compression in use.
M10 MNP10 Mode is use.
OK Modem Powered Up Correctly and Ready for Use.
RE Receive Error
RI Ring Indicator
RT Retrain in progress
R| (R followed by an UP & DOWN arrow) REMOTELY initiated carrier
rate renegotiation (See S192 bit 5)
TE Transmit Error
TM Test Mode in use.
VF V.FastClass (Rockwell 14.4k to 28.8k)
V34 V.34 Mode (ITU 2.4k to 28.8k)
X1 Undocumented
3 300 bps connection
12 1200 bps connection
24 2400 bps connection (V34 if in V.34 mode)
48 4800 bps connection
72 7200 bps connection
96 9600 bps connection
120 12000 bps connection
144 14400 bps connection (VF if V.FC mode / V34 if V.34 mode)
168 16800 bps connection (VF if V.FC mode / V34 if V.34 mode)
192 19200 bps connection (VF if V.FC mode / V34 if V.34 mode)
216 21600 bps connection (VF if V.FC mode / V34 if V.34 mode)
24 24000 bps connection (VF if V.FC mode / V34 if V.34 mode)
26 26400 bps connection (VF if V.FC mode / V34 if V.34 mode)
28 28000 bps connection (VF if V.FC mode / V34 if V.34 mode)
Encoded Optional Feature List (ATi10)
NOTE -> These codes are being added to SupraFAXModem ROMs, but in some cases
not all codes have been added that are supported by a given product,
and codes have been assigned for features not yet available.
Code Feature Functions/Commands/Codes Added
101 Fax CLASS 1 Normal CLASS 1 FAX Command Set
104 Fax CLASS 2 Normal CLASS 2 FAX Command Set
105 Fax CLASS 2.0 Normal CLASS 2.0 FAX Command Set
115 CCITT v.17 (14.4 Fax) Adds 12k & 14.4k fax operation
120 Worldwide PSTN Support %TTnn PTT Cert. Test Signals
*NCn Country Config.
*Zn
121 CCITT v.23 %Fn
Adds These Result Codes:
Numeric Verbose
22 CONNECT 1200TX/75RX
23 CONNECT 75TX/1200RX
44 CARRIER 1200/75
45 CARRIER 75/1200
123 Blacklisting *B Display Blacklisted #'s
*D Display Delayed #'s
Adds These Result Codes:
24 DELAYED
32 BLACKLISTED
140 CCITT v.32bis (14.4 Data) Adds 7200, 12k, & 14.k carriers
141 Silent & Adaptive Answer +FAE=n
+FAA=n > CLASS 2 units only <
142 Caller ID #CID=n
143 MNP 10 -B Forced FB to 1200
-Cn MNP Mode Control
-Kn MNP10 Control
-Qn FB to v.22/v.22bis
)M Tx level control
*H0 MNP10 Link Neg.
144 MNP "Cellular" In Docs if a Supported Feature
146 Enhanced Configuration Display \S Enhanced Display Codes
147 V.FC 28.8k Maximum Carrier Rate
149 V.FC 24.0k Maximum Carrier Rate
150 Enhanced &F options
151 Enhanced Rate Control S109, S110, %E, %G
153 ITU-TSS V.34 28,800bps Data
154 SilentAnswer PLUS
157 RINGING Response
180 16550 emulation mode
181 SupraSmart
182 Rockwell High Speed Interface (RHSI) UART mode
190 AMD Flash ROM
*** WARNING ***
The following commands are accepted by some models, but are ONLY for internal
use at Supra. (Supra's staff cannot assist you in regard to these commands,
and under no case should you attempt use or adjust these settings.):
ATS91=x
ATS92=x
ATS99=x
AT*F
These commands are quite powerful and can cause unpredictable or total lack
of operation. (In many cases, service at Supra would be required to restore
normal operation.)