SIMA TECHNOLOGY CO., LTD.
V.34SVD
Card Type |
Modem (synchronous/asynchronous) |
Chip Set |
Unidentified |
I/O Options |
DSVD, 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
DSVD MODE | ||
Type: |
Configuration | |
Format: |
AT [cmds] -SSE=n [cmds] | |
Description: |
Select whether the modem will use DSVD mode. | |
Command |
Function | |
í -SSE=0 |
DSVD mode disabled. | |
-SSE=1 |
DSVD mode enabled. |
SIMULTANEOUS VOICE MODE | |||
Type: |
Immediate | ||
Format: |
AT [cmds] -SMS=x,y,z,a [cmds] | ||
Description: |
Selects which simultaneous voice mode the modem will operate in. | ||
Command |
Function | ||
x =0 |
Simultaneous voice mode disabled. | ||
x =1 |
DSVD mode enabled. | ||
x =2 |
SVD mode enabled. | ||
x =3 |
Auto-detect correct mode. | ||
y , z=300 |
Set minimum or maximum total speed at 300bps, respectively. | ||
y , z=1200 |
Set minimum or maximum total speed at 1200bps, respectively. | ||
y , z=2400 |
Set minimum or maximum total speed at 2400bps, respectively. | ||
y , z=4800 |
Set minimum or maximum total speed at 4800bps, respectively. | ||
y , z=7200 |
Set minimum or maximum total speed at 7200bps, respectively. | ||
y , z=9600 |
Set minimum or maximum total speed at 9600bps, respectively. | ||
y , z=12000 |
Set minimum or maximum total speed at 12Kbps, respectively. | ||
y , z=14400 |
Set minimum or maximum total speed at 14.4Kbps, respectively. | ||
y , z=16800 |
Set minimum or maximum total speed at 16.8Kbps, respectively. | ||
y , z=19200 |
Set minimum or maximum total speed at 19.2Kbps, respectively. | ||
y , z=21600 |
Set minimum or maximum total speed at 21.6Kbps, respectively. | ||
y , z=24000 |
Set minimum or maximum total speed at 24Kbps, respectively. | ||
y , z=26400 |
Set minimum or maximum total speed at 26.4Kbps, respectively. | ||
y , z=28800 |
Set minimum or maximum total speed at 28.8Kbps, respectively. | ||
z =0 |
Auto-detect correct ML288 baud rate. | ||
z =1 |
Set ML288 symbol rate to 2400 bits/baud. | ||
z =2 |
Set ML288 symbol rate to 2743 bits/baud. | ||
z =3 |
Set ML288 symbol rate to 2800 bits/baud. | ||
z =4 |
Set ML288 symbol rate to 3000 bits/baud. | ||
z =5 |
Set ML288 symbol rate to 3200 bits/baud. | ||
z =6 |
Set ML288 symbol rate to 3429 bits/baud. |
SVD DATA BURST | ||
Type: |
Configuration | |
Format: |
AT [cmds] -SMC=n [cmds] | |
Description: |
Configures the SVD data burst mode. | |
Command |
Function | |
-SMC=0 |
SVD data burst disabled. | |
í -SMC=1 |
SVD data burst enabled. |
SVD MODULATION | ||
Type: |
Configuration | |
Format: |
AT [cmds] -SQS=m,n [cmds] | |
Description: |
Selects the modulation type used by SVD mode. | |
Command |
Function | |
x =0 |
Select V.61 modulation. | |
x =1 |
Select ML144 modulation. | |
x =2 |
Select ML288 modulation. | |
y =0 |
Auto-detect modulation mode disabled. | |
y =1 |
Auto-detect modulation mode enabled. |
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. |
#VLS=5 |
Headset used for voice I/O. |
#VLS=6 |
Speakerphone used for voice I/O. |
See SIMA TECHNOLOGY CO., LTD. V.34SV for a full command summary.