SIMA TECHNOLOGY CO., LTD.
V.34SV
Card Type |
Modem (synchronous/asynchronous) |
Chip Set |
Unidentified |
I/O Options |
Voice, speaker out, microphone in |
Maximum Data Rate |
33.6Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Bus |
Serial |
Fax Class |
Class I & II |
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell V.FC |
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
Line out |
CN1 |
RS-232/422 |
CN5 | |||
Line in |
CN2 |
DC power |
CN6 | |||
Speaker out |
CN3 |
Power switch |
SW1 | |||
Microphone in |
CN4 |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
MR |
Red |
On |
Power is on |
MR |
Red |
Blinking |
Modem is in test mode |
MR |
Red |
Off |
Power is off |
HS |
Red |
On |
Modem is operating at 4800bps or faster |
HS |
Red |
Off |
Modem is operating at slower than 4800bps |
AA |
Red |
On |
Auto-answer enabled |
AA |
Red |
Off |
Auto-answer disabled |
AA |
Red |
Blinking |
Phone is ringing |
CD |
Red |
On |
Carrier signal detected |
CD |
Red |
Off |
Carrier signal not detected |
OH |
Red |
On |
Modem is off-hook |
OH |
Red |
Off |
Modem is on-hook |
SD |
Red |
On |
Modem is transmitting data |
SD |
Red |
Off |
Modem is not transmitting data |
RD |
Red |
On |
Modem is receiving data |
RD |
Red |
Off |
Modem is not receiving data |
TR |
Red |
On |
DTR signal is high |
TR |
Red |
Off |
DTR signal is low |
SUPPORTED STANDARD COMMANDS |
Basic AT Commands |
+++, comma, A/ |
A, B, D, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z |
&C, &D, &F, &G, &K, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z |
Extended AT Commands |
\A, \B, \G, \K, \L, \N, \W |
%C, %F, %L, %Q, %T |
Special AT Commands |
#CID, :E, *H, -K, )M, @M, +MS, -Q |
S-Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S24, S25, S27, S29 |
S30, S31, S32, S33, S36, S38, S39, S40, S46, S48, S86, S91, S92, S95, S201 |
Note: See MHI documentation for complete information. |
Proprietary AT Command Set
AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |
Type: |
Configuration |
Format: |
AT [cmds] %En [cmds] |
Description: |
Controls auto-retrain, auto-fall-back/fall-forward, and the line quality monitor. |
Command |
Function |
í %E0 |
Line quality monitor and auto-retrain disabled. |
%E1 |
Line quality monitor and auto-retrain enabled. |
%E2 |
Line quality monitor and auto-fallback/fall-forward enabled. |
%E3 |
Line quality monitor, auto-retrain, and fast hangup enabled. |
AUTOSYNC | ||
Format |
AT [cmds] S19=n [cmds] | |
Default: |
0 | |
Range: |
0 - 31 | |
Unit: |
Bit-mapped | |
Description: |
Sets options for Hayes AutoSync functions. | |
Bit |
Value |
Function |
0 |
0 |
Not used. |
1 |
í 01 |
BSC enabled. HDLC enabled. |
2 |
í 01 |
HDLC address detection disabled. HDLC address detection enabled. |
3 |
í 01 |
NRZI bit encoding enabled. NRZ bit encoding enabled. |
4 |
í 01 |
Mark idle enabled. Flag or sync idle enabled. |
BIT-MAPPED REGISTER S28 | ||
Format |
AT [cmds] S28=n [cmds] | |
Default: |
0 | |
Range: |
0 - 154 | |
Description: |
Controls V.23 split speed mode, pulse dialing ratio, and MNP10 cellular link negotiation speed. | |
Bit |
Value |
Function |
0 |
0 |
Not used |
1 |
í 01 |
75bps transmit, 1200bps receive enabled 1200bps transmit, 75bps receive enabled |
2 |
0 |
Not used |
4, 3 |
í 0001 10 11 |
39ms make/61ms break at 10pps 33ms make/67ms break at 10pps 39ms make/61ms break at 20pps 33ms make/67ms break at 20pps |
5 |
0 |
Not used |
7, 6 |
í 0001 10 |
MNP10 link will be negotiated at highest possible speed. MNP10 link will be negotiated at 1200bps. MNP10 link will be negotiated at 4800bps. |
BIT-MAPPED REGISTER S41 | ||
Format |
AT [cmds] S41=n [cmds] | |
Default: |
131 | |
Range: |
0 - 219 | |
Description: |
Controls compression type, auto-retrain and fall-back/fall-forward, flow control, and MNP mode. | |
Note: |
Be aware that bit 6 is out of order. | |
Bit |
Value |
Function |
1, 0 |
00 01 10 í 11 |
Data compression disabled. MNP5 enabled. V.42bis enabled. MNP5 and V.42bis enabled. |
6, 2 |
í 0001 10 |
Auto-retrain disabled. Auto-retrain enabled. Fall-back/fall-forward enabled. |
3 |
í 01 |
Flow control disabled. Flow control enabled. |
4 |
í 01 |
Stream mode for MNP. Block mode for MNP. |
5 |
0 |
Not used. |
7 |
0 í 1 |
Fall-back to V.22bis and V.22 disabled. Fall-back to V.22bis and V.22 enabled. |
COUNTRY CODE | |
Type: |
Configuration |
Format: |
AT [cmds] *NCnn [cmds] |
Description: |
Sets the country code for the modem. |
DISPLAY CONFIGURATION AND STATISTICS | |
Type: |
Immediate |
Format: |
AT [cmds] \S [cmds] |
Description: |
Displays the settings of all commands and statistics about the current connection. |
DISPLAY DELAYED NUMBERS | |
Type: |
Immediate |
Format: |
AT [cmds] *Dn [cmds] |
Description: |
Displays all numbers on the delayed list. |
DISPLAY FORBIDDEN NUMBERS | |
Type: |
Immediate |
Format: |
AT [cmds] *Bn [cmds] |
Description: |
Displays all numbers on the forbidden list. |
DISPLAY MANUFACTURER | |
Type: |
Immediate |
Format: |
AT [cmds] #MFR? [cmds] |
Description: |
Displays the manufacturers name. |
DISPLAY MODEL NAME | |
Type: |
Immediate |
Format: |
AT [cmds] #MDL? [cmds] |
Description: |
Displays the model name of the modem. |
DISPLAY REVISION | |
Type: |
Immediate |
Format: |
AT [cmds] #REV? [cmds] |
Description: |
Displays the revision level of the modem. |
HDLC ADDRESS | |
Type: |
Register |
Format: |
AT [cmds] S20=n [cmds] |
Default: |
0 |
Range: |
0-255 |
Unit: |
1 ASCII character |
Description: |
Sets the HDLC address and BSC character. |
LINE SPEED | |
Type: |
Configuration |
Format |
AT [cmds] Fn [cmds] |
Description: |
Sets the desired line connection speed. |
Command |
Function |
í F0 |
Auto-detect connect speed. |
F1 |
Connect at 300bps with V.21 or Bell 103. |
F3 |
Connect at 1200/75bps with V.23. |
F4 |
Connect at 1200bps with V.22 or Bell 212A. |
F5 |
Connect at 2400bps with V.22bis. |
F6 |
Connect at 4800bps with V.32 or V.32bis. |
F7 |
Connect at 7200bps with V.32. |
F8 |
Connect at 9600bps with V.32 or V.32bis. |
F9 |
Connect at 12Kbps with V.32bis. |
F10 |
Connect at 14.4Kbps with V.32bis. |
F13 |
Connect at 14.4Kbps with V.FC. |
F14 |
Connect at 16.8Kbps with V.FC. |
F15 |
Connect at 19.2Kbps with V.FC. |
F16 |
Connect at 21.6Kbps with V.FC. |
F17 |
Connect at 24.4Kbps with V.FC. |
F18 |
Connect at 26.4Kbps with V.FC. |
F19 |
Connect at 28.8Kbps with V.FC. |
LINE SPEED | |
Type: |
Register |
Format |
AT [cmds] S37=n [cmds] |
Description: |
Sets the desired line connection speed. |
Command |
Function |
í S37=0 |
Auto-detect connect speed. |
S37=1 |
Connect at 75bps. |
S37=2 |
Connect at 110bps. |
S37=3 |
Connect at 300bps. |
S37=4 |
Connect at 600bps. |
S37=5 |
Connect at 1200bps with V.22. |
S37=6 |
Connect at 2400bps with V.22bis. |
S37=7 |
Connect at 1200/75bps with V.23. |
S37=8 |
Connect at 4800bps with V.32 or V.32bis. |
S37=9 |
Connect at 9600bps with V.32 or V.32bis. |
S37=10 |
Connect at 12Kbps with V.32bis. |
S37=11 |
Connect at 14.4Kbps with V.32bis. |
S37=12 |
Connect at 7200bps with V.32bis. |
S37=15 |
Connect at 14.4Kbps with V.FC. |
LINE SPEED (CONT) | |
Command |
Function |
S37=16 |
Connect at 16.8Kbps with V.FC. |
S37=17 |
Connect at 19.2Kbps with V.FC. |
S37=18 |
Connect at 21.6Kbps with V.FC. |
S37=19 |
Connect at 24.4Kbps with V.FC. |
S37=20 |
Connect at 26.4Kbps with V.FC. |
S37=21 |
Connect at 28.8Kbps with V.FC. |
MODE SELECTION | ||
Type: |
Immediate | |
Format: |
AT [cmds] #CLS=n [cmds] | |
Description: |
Selects which mode the modem will operate in. | |
Command |
Function | |
#CLS=0 |
Modem will operate in data mode. | |
#CLS=2 |
Modem will operate in fax class II mode. | |
#CLS=8 |
Modem will operate in voice mode. |
MODULATION SELECTION | |
Type: |
Configuration |
Format: |
AT [cmds] +MS=x,y,z,a,b,c [cmds] |
Description: |
Sets options for active protocol; the transfer rates specified by z, a, b, and c must be valid for the protocol selected. |
Note: |
The z and a parameters specify the minimum and maximum originate mode connect speeds, respectively; the b and c parameters specify the minimum and maximum answer mode connect speeds, respectively. |
Command |
Function |
x=0 |
Use V.21 modulation. |
x=1 |
Use V.22 modulation. |
x=2 |
Use V.22bis modulation. |
x=3 |
Use V.23 modulation. |
x=9 |
Use V.32 modulation. |
x =10 |
Use V.32bis modulation. |
í x=11 |
Use V.34 modulation. |
x =64 |
Use Bell 103 modulation. |
x =69 |
Use Bell 212A modulation. |
x =74 |
Use V.FC modulation. |
y=0 |
Automode disabled. |
í y=1 |
Auto-detect highest speed enabled without V.8 (except V.34 which always uses V.8). |
y=2 |
Auto-detect highest speed enabled with V.8. |
MODULATION SELECTION (CONT) | |
Command |
Function |
z , a, b, c=300 |
Set minimum or maximum connection speed at 300bps. |
z , a, b, c=1200 |
Set minimum or maximum connection speed at 1200bps. |
z , a, b, c=2400 |
Set minimum or maximum connection speed at 2400bps. |
z , a, b, c=4800 |
Set minimum or maximum connection speed at 4800bps. |
z , a, b, c=7200 |
Set minimum or maximum connection speed at 7200bps. |
z , a, b, c=9600 |
Set minimum or maximum connection speed at 9600bps. |
z , a, b, c=12000 |
Set minimum or maximum connection speed at 12Kbps. |
z , a, b, c=14400 |
Set minimum or maximum connection speed at 14.4Kbps. |
z , a, b, c=16800 |
Set minimum or maximum connection speed at 16.8Kbps. |
z , a, b, c=19200 |
Set minimum or maximum connection speed at 19.2Kbps. |
z , a, b, c=21600 |
Set minimum or maximum connection speed at 21.6Kbps. |
z , a, b, c=24000 |
Set minimum or maximum connection speed at 24Kbps. |
z , a, b, c=26400 |
Set minimum or maximum connection speed at 26.4Kbps. |
z , a, b, c=28800 |
Set minimum or maximum connection speed at 28.8Kbps. |
PULSE DIALING MODE | ||
Type: |
Configuration | |
Format: |
AT [cmds] *Zn [cmds] | |
Description: |
Sets the number of pulses per digit dialed while in pulse mode. | |
Command |
Function | |
í *Z0 |
Number of pulses generated is equal to the dialed digit value (0 digit generates 10 pulses). | |
*Z1 |
Number of pulses generated is equal to the dialed digit value plus one (0 digit generates 1 pulse). |
REPORT INFORMATION | |
Type: |
Immediate |
Format: |
AT [cmds] In [cmds] |
Description: |
Displays requested information about the modem. |
Command |
Function |
I0 |
Reports product identification code. |
I1 |
Reports ROM checksum. |
I2 |
Tests and reports ROM checksum. |
I3 |
Reports firmware version and interface type. |
I4 |
Reports OEM response. |
I5 |
Reports country code. |
I6 |
Reports data pump model and version. |
TONE DETECTION | |||||
Format: |
AT [cmds] #VTD=x,y,z [cmds] | ||||
Default: |
x ,y,z 63 | ||||
Range: |
0 - 63 | ||||
Description: |
Sets which tones the tone detection will report. | ||||
Note: |
The value of x sets the tone detection modes in voice transmit mode, y sets them in voice receive mode, and z sets them in voice command mode. | ||||
Bit |
Value |
Function | |||
0 |
0 í 1 |
DTMF tones are not detected. DTMF tones are detected. | |||
1 |
0 í 1 |
V.25 1300Hz calling tone is not detected. V.25 1300Hz calling tone is detected. | |||
2 |
0 í 1 |
T.30 1100Hz fax tone is not detected. T.30 1100Hz fax tone is detected. | |||
3 |
0 í 1 |
V.25/T.30 2100Hz answer tone is not detected. V.25/T.30 2100Hz answer tone is detected. | |||
4 |
0 í 1 |
Bell 2225Hz answer tone is not detected. Bell 2225Hz answer tone is detected. | |||
5 |
0 í 1 |
Call progress tones are not detected. Call progress tones are detected. |
TONE GENERATOR - DIRECT ENTRY | |
Type: |
Immediate |
Format: |
AT [cmds] #VTS=[m, n, x] |
Range: |
m 200-3000, n 200-3000, x 0-255 |
Unit: |
m 1 Hz, n 1 Hz, x .1 second |
Description: |
Generates a dual-frequency tone for duration x at frequencies m and n. |
TONE GENERATOR - TIMED PHONE KEYS | |
Type: |
Immediate |
Format: |
AT [cmds] #VTS={a, n} |
Range: |
a 0-9, A-D, #, *; x 0-255 |
Unit: |
x .1 second |
Description: |
Generates the DTMF tone for duration x for the character a. |
TONE GENERATOR - PHONE KEYS | |
Type: |
Immediate |
Format: |
AT [cmds] #VTS=a |
Range: |
0-9, A-D, #, * |
Description: |
Generates the DTMF tones for the characters in the string for the duration set with +VBT. |
TONE GENERATOR LENGTH | |
Format |
AT [cmds] #VBT=n [cmds] |
Default: |
10 |
Range: |
0 - 40 |
Unit: |
0.1 second |
Description: |
Sets the length of DTMF tones that are generated. |
VOICE BUFFER SPACE | |
Type: |
Configuration |
Format: |
AT [cmds] #VSK=n [cmds] |
Default: |
255 |
Range: |
0 - 255 |
Unit: |
1 byte |
Description: |
Sets the amount of free space there must be in the transmit buffer before the XON signal is sent. |
VOICE DEVICE | |
Type: |
Configuration |
Format: |
AT [cmds] #VLS=n [cmds] |
Description: |
Selects the I/O device for the DSP chip. |
Command |
Function |
í #VLS=0 |
Telephone line and handset used for voice I/O. |
#VLS=1 |
Telephone handset used for voice I/O. |
#VLS=2 |
Internal speaker only used for voice I/O. |
#VLS=3 |
External microphone only used for voice I/O. |
#VLS=4 |
Telephone line and handset used for voice I/O; internal speaker enabled. |
VOICE - DISPLAY BUFFER SIZE | |
Type: |
Immediate |
Format: |
AT [cmds] #VBQ? [cmds] |
Description: |
Displays the size of the voice buffer. |
VOICE - DISPLAY COMPRESSION TYPE | |
Type: |
Immediate |
Format: |
AT [cmds] #VCI? [cmds] |
Description: |
Displays the type of compression currently in use. |
VOICE - LOCAL SERIAL PORT SPEED | ||
Type: |
Configuration | |
Format: |
AT [cmds] #BDR=n [cmds] | |
Description: |
Sets the speed of the local serial port. | |
Command |
Function | |
#BDR=1 |
Set speed to 2400bps. | |
#BDR=2 |
Set speed to 4800bps. | |
#BDR=4 |
Set speed to 9600bps. | |
#BDR=6 |
Set speed to 14.4Kbps. | |
#BDR=8 |
Set speed to 19.2Kbps. | |
#BDR=16 |
Set speed to 38.4Kbps. | |
#BDR=24 |
Set speed to 57.6Kbps. |
VOICE RE-RING DETECT TIME | |
Type: |
Configuration |
Format: |
AT [cmds] #VRA=n [cmds] |
Default: |
70 |
Range: |
0-255 |
Unit: |
10 mS |
Description: |
Sets the maximum time the modem will wait for the remote station to ring again before it assumes that it has gone off-hook. |
VOICE RECEIVE | |
Type: |
Immediate |
Format: |
AT [cmds] #VRX |
Description: |
Commands the modem to begin receiving voice data. |
VOICE RING DETECT TIME | |
Type: |
Configuration |
Format: |
AT [cmds] #VRN=n [cmds] |
Default: |
Unidentified |
Range: |
Unidentified |
Unit: |
Unidentified |
Description: |
Sets the maximum time the modem will wait for the remote station to ring before it assumes that it went off-hook before it rang. |
VOICE SAMPLE QUALITY | ||
Type: |
Configuration | |
Format: |
AT [cmds] #VBS=n [cmds] | |
Description: |
Selects the number of bits per sample that the modem records. | |
Command |
Function | |
#VBS=2 |
Modem records 2 bits per sample in ADPCM encoding. | |
#VBS=3 |
Modem records 3 bits per sample in ADPCM encoding. | |
í #VBS=4 |
Modem records 4 bits per sample in ADPCM encoding. |
VOICE SAMPLING RATE | ||
Type: |
Configuration | |
Format: |
AT [cmds] #VSR=n [cmds] | |
Description: |
Sets the sampling rate used when recording voice signals. | |
Command |
Function | |
#VSR=7200 |
Selects a sampling rate of 7.2KHz. | |
#VSR=11025 |
Selects a sampling rate of 11.025KHz in PCM encoding only. |
VOICE SILENCE DETECTION | ||
Type: |
Configuration | |
Format: |
AT [cmds] #VSD=n [cmds] | |
Description: |
Selects whether the modem will attempt to recognize periods of silence when receiving a voice signal. | |
Command |
Function | |
#VSD=0 |
Silence detection disabled. | |
#VSD=1 |
Silence detection enabled. |
VOICE SILENCE DETECTION TIME | |
Type: |
Configuration |
Format: |
AT [cmds] #VSP=n [cmds] |
Default: |
Unidentified |
Range: |
Unidentified |
Unit: |
Unidentified |
Description: |
Sets the minimum amount of silence that the modem will detect. |
VOICE SILENCE DETECTION THRESHOLD | ||
Type: |
Configuration | |
Format: |
AT [cmds] #VSS=n [cmds] | |
Description: |
Sets the threshold of sensitivity that the modem uses to determine silence detection. | |
Command |
Function | |
#VSS=0 |
Silence detection disabled. | |
#VSS=1 |
Minimum silence detection sensitivity. | |
#VSS=2 |
Standard silence detection sensitivity. | |
#VSS=3 |
Maximum silence detection sensitivity. |
VOICE TRANSMIT | |
Type: |
Immediate |
Format: |
AT [cmds] #VTX |
Description: |
Commands the modem to begin transmitting voice data. |