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# SIMA TECHNOLOGY CO., LTD.
V.34S
Card Type Modem (synchronous/asynchronous)
Chip Set Unidentified
I/O Options None
Maximum Data Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Bus Serial
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Rockwell V.FC
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | DC power | CN4 |
|---------------------------+----------+--------------+------|
| Line in | CN2 | Power switch | SW1 |
|---------------------------+----------+--------------+------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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, -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 0 | BSC enabled. |
| | | |
| | 1 | HDLC enabled. |
|------+-------+---------------------------------------------|
| 2 | í 0 | HDLC address detection disabled. |
| | | |
| | 1 | HDLC address detection enabled. |
|------+-------+---------------------------------------------|
| 3 | í 0 | NRZI bit encoding enabled. |
| | | |
| | 1 | NRZ bit encoding enabled. |
|------+-------+---------------------------------------------|
| 4 | í 0 | Mark idle enabled. |
| | | |
| | 1 | 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 0 | 75bps transmit, 1200bps receive enabled |
| | | |
| | 1 | 1200bps transmit, 75bps receive enabled |
|------+-------+---------------------------------------------|
| 2 | 0 | Not used |
|------+-------+---------------------------------------------|
| 4, 3 | í 00 | 39ms make/61ms break at 10pps |
| | | |
| | 01 | 33ms make/67ms break at 10pps |
| | | |
| | 10 | 39ms make/61ms break at 20pps |
| | | |
| | 11 | 33ms make/67ms break at 20pps |
|------+-------+---------------------------------------------|
| 5 | 0 | Not used |
|------+-------+---------------------------------------------|
| 7, 6 | í 00 | MNP10 link will be negotiated at highest |
| | | possible speed. |
| | 01 | |
| | | MNP10 link will be negotiated at 1200bps. |
| | 10 | |
| | | 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 | Data compression disabled. |
| | | |
| | 01 | MNP5 enabled. |
| | | |
| | 10 | V.42bis enabled. |
| | | |
| | í 11 | MNP5 and V.42bis enabled. |
|------+-------+---------------------------------------------|
| 6, 2 | í 00 | Auto-retrain disabled. |
| | | |
| | 01 | Auto-retrain enabled. |
| | | |
| | 10 | Fall-back/fall-forward enabled. |
|------+-------+---------------------------------------------|
| 3 | í 0 | Flow control disabled. |
| | | |
| | 1 | Flow control enabled. |
|------+-------+---------------------------------------------|
| 4 | í 0 | Stream mode for MNP. |
| | | |
| | 1 | Block mode for MNP. |
|------+-------+---------------------------------------------|
| 5 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 7 | 0 | Fall-back to V.22bis and V.22 disabled. |
| | | |
| | í 1 | 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
|--------------+---------------------------------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODULATION SELECTION (CON’T) |
|------------------------------------------------------------|
| Command | Function |
|----------+-------------------------------------------------|
| 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. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=300 | 300bps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=1200 | 1200bps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=2400 | 2400bps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=4800 | 4800bps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=7200 | 7200bps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=9600 | 9600bps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=12000 | 12Kbps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=14400 | 14.4Kbps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=16800 | 16.8Kbps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=19200 | 19.2Kbps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=21600 | 21.6Kbps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=24000 | 24Kbps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=26400 | 26.4Kbps. |
|----------+-------------------------------------------------|
| z, a, b, | Set minimum or maximum connection speed at |
| c=28800 | 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. |
+------------------------------------------------------------+