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# DIGICOM SPA
TIZIANO 56 (EXTERNAL), TIZIANO 56 MAC (EXTERNAL)
Card Type Modem
Chip Set Unidentified
I/O Options RJ-11 line in, audio in, audio out,
microphone, 25-pin serial port, power
Maximum Modem Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation ITU-T V.21, V.22, V.22bis,V.23, V.32,
Protocol V.32bis, V.34+, V.FC
Fax Modulation V.17, V.29, V.27
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I & II
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in (RJ-11) | CN1 | 25-pin serial port | CN5 |
|----------------------+---------+--------------------+------|
| Audio out | CN2 | Power | CN6 |
|----------------------+---------+--------------------+------|
| Audio in | CN3 | Power switch | SW1 |
|----------------------+---------+--------------------+------|
| Microphone in | CN4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------------+--------+------------------------------|
| PWR | Unidentified | On | Power is on |
|-----+--------------+--------+------------------------------|
| PWR | Unidentified | Off | Power is off |
|-----+--------------+--------+------------------------------|
| DTR | Unidentified | On | Computer is ready to |
| | | | transmit/receive data |
|-----+--------------+--------+------------------------------|
| DTR | Unidentified | Off | Computer is not ready to |
| | | | transmit/receive data |
|-----+--------------+--------+------------------------------|
| TD | Unidentified | On | Modem is transmitting data |
|-----+--------------+--------+------------------------------|
| TD | Unidentified | Off | Modem is not transmitting |
| | | | data |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | On | Modem is receiving data |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | Off | Modem is not receiving data |
|-----+--------------+--------+------------------------------|
| DCD | Unidentified | On | Network connection |
| | | | established |
|-----+--------------+--------+------------------------------|
| DCD | Unidentified | Off | Network connection not |
| | | | established |
|-----+--------------+--------+------------------------------|
| OH | Unidentified | On | Modem is off hook |
|-----+--------------+--------+------------------------------|
| OH | Unidentified | Off | Modem is on hook |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, A/ |
|------------------------------------------------------------|
| A, B, E, H, L, M, O, P, Q, T, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &G, &P, &T, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT commands |
|------------------------------------------------------------|
| \A, \B, \K, \N |
|------------------------------------------------------------|
| %C, %E, %L, %Q |
|------------------------------------------------------------|
| #CID |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6 ,S7, S8, S9, S10, S12, S18, |
| S29, S30, S32, S33, S95 |
|------------------------------------------------------------|
| Special commands |
|------------------------------------------------------------|
| +MS, -K |
|------------------------------------------------------------|
| Voice AT commands |
|------------------------------------------------------------|
| #VBT, #VRX, #VSP, #VSR, #VSS, #VTS, #VTX |
|------------------------------------------------------------|
| |
|------------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+------------------------------------------------------------+
PROPRIETARY AT COMMAND SET
+------------------------------------------------------------+
| AUTO-MODE DETECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various options for the automatic |
| | detection and negotiation of protocols |
| | during the handshake process if the modem |
| | is communicating with a remote modem of |
| | dissimilar speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| N0 | Auto-mode detection disabled |
|--------------+---------------------------------------------|
| í N1 | Auto-mode detection enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode options |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &Q0 | Asynchronous mode, serial port speed |
| | follows connect speed. |
|--------------+---------------------------------------------|
| í &Q5 | Error correction mode |
|--------------+---------------------------------------------|
| &Q6 | Buffered asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &D0 | DTR override |
|--------------+---------------------------------------------|
| &D1 | DTR toggle causes online command mode |
|--------------+---------------------------------------------|
| í &D2 | Normal DTR operations |
|--------------+---------------------------------------------|
| &D3 | Resets on receipt of DTR |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials telephone number according to any |
| | modifiers included in the string |
|--------------+---------------------------------------------|
| Note: | Any combination of modifiers can be used to |
| | produce the desired dial functions in |
| | sequence. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| DL | Re-dial last number |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled |
|--------------+---------------------------------------------|
| DS=n | Dial stored telephone number n |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection |
|--------------+---------------------------------------------|
| D, | Dialing paused |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D@ | Wait for Quite Answer function enabled. |
| | Modem waits until a "quiet answer," a |
| | ring-back signal followed by 5 seconds of |
| | silence |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
|--------------+---------------------------------------------|
| D^ | Toggle calling tone |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &F [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &F0 | Factory default profile 0 |
|--------------+---------------------------------------------|
| &F1 | Factory default profile 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| í &K3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K5 | Transparent XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K6 | RTS/CTS and XON/XOFF flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GUARD TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands the modem to transmit a guard tone |
| | in V.22/V.22bis |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &G0 | Guard tone disabled |
|--------------+---------------------------------------------|
| &G2 | 1800Hz guard tone enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE MODULATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects line modulation. Not used; for |
| | compatibility only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports maximum line speed |
|--------------+---------------------------------------------|
| I1 | Reports product type |
|--------------+---------------------------------------------|
| I2 | Reports checksum firmware |
|--------------+---------------------------------------------|
| I3 | Reports product name |
|--------------+---------------------------------------------|
| I4 | Reports firmware release |
|--------------+---------------------------------------------|
| I5 | Reports active Country Code |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS/CTS options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &R0 | In asynchronous mode, CTS is controlled |
| | according to V.25 handshake recommendation |
|--------------+---------------------------------------------|
| í &R1 | In synchronous mode, CTS follows flow |
| | control |
+------------------------------------------------------------+
SPECIAL COMMANDS
+------------------------------------------------------------+
| MNP10 - POWER LEVEL ADJUST |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SEC=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-30 |
|--------------+---------------------------------------------|
| Unit: | -1dBm |
|--------------+---------------------------------------------|
| Description: | Controls automatic transmit power level |
| | adjustment during MNP 10 link negotiation |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -SEC=0 | MNP10 disabled. Transmission level is set |
| | in the S91 register |
|--------------+---------------------------------------------|
| -SEC=1, | MNP10 enabled. Set transmit level |
| [tx_lev] | |
+------------------------------------------------------------+
AT VOICE COMMANDS
+------------------------------------------------------------+
| COMMUNICATION SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|------------------------------------------------------------|
| Format: | AT [cmds] #CLS=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Chooses between: data, fax, and voice-audio |
| | mode |
|------------------------------------------------------------|
| Command | Function |
|----------------------------+-------------------------------|
| #CLS=0 | Data mode |
|----------------------------+-------------------------------|
| #CLS=1 | Fax mode |
|----------------------------+-------------------------------|
| #CLS=8 | Voice-audio mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA BAUD RATE SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #BDR=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 1-48 |
|--------------+---------------------------------------------|
| Unit: | n x 2400bps |
|--------------+---------------------------------------------|
| Description: | Sets the speed of the serial interface. 0 |
| | enables autobaud |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKERPHONE OPTIONS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #SPK=x,y,z [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets various options for speakerphone |
| | functions. |
|------------------------------------------------------------|
| Command | Function |
|--------------------+---------------------------------------|
| x=0 | Microphone mute |
|--------------------+---------------------------------------|
| í x=1 | Microphone on |
|--------------------+---------------------------------------|
| x=3 | Room monitor |
|------------------------------------------------------------|
| y=0 | No speaker attenuation (maximum volume) |
|--------------+---------------------------------------------|
| y=15 | Speaker attenuation (minimum volume) |
|--------------+---------------------------------------------|
| y=16 | Speaker muted |
|------------------------------------------------------------|
| z=0 | Microphone gain set to 0dBm. |
|--------------------+---------------------------------------|
| í z=1 | Microphone gain set to 10dBm. |
|--------------------+---------------------------------------|
| z=2 | Microphone gain set to 15dBm. |
|--------------------+---------------------------------------|
| z=3 | Microphone gain set to 20dBm. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE DEVICE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VLS=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the I/O device for the DSP chip. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #VLS=0 | No voice device |
|--------------+---------------------------------------------|
| #VLS=2 | Internal speaker only used for voice I/O. |
|--------------+---------------------------------------------|
| #VLS=3 | External microphone only used for voice |
| | I/O. |
|--------------+---------------------------------------------|
| #VLS=6 | Speakerphone used for voice I/O. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| #VBS=4 | Modem records 4 bits per sample |
|--------------+---------------------------------------------|
| #VBS=8 | Modem records 8 bits per sample |
+------------------------------------------------------------+
SIMULTANEOUS VOICE/DATA COMMANDS
+------------------------------------------------------------+
| SVD DATA BURST |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SMC=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables SVD databurst |
|------------------------------------------------------------|
| Command | Function |
|----------------------+-------------------------------------|
| SMC=0 | Databurst disabled |
|----------------------+-------------------------------------|
| í SMC=1 | Databurst enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SVD MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SMS=x,y,z [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets various options for speakerphone |
| | functions. |
|--------------+---------------------------------------------|
| Note: | y,z default is dependant on modulation |
| | selection (-SQS) |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| x=0 | Data mode enabled |
|---------------+--------------------------------------------|
| x=1 | Simultaneous voice/data mode selected |
|---------------+--------------------------------------------|
| í x=3 | Automatic selection |
|------------------------------------------------------------|
| y=4800 | Minimum allowable SVD data speed set to |
| | 4800bps |
|--------------+---------------------------------------------|
| y=7200 | Minimum allowable SVD data speed set to |
| | 7200bps |
|--------------+---------------------------------------------|
| y=9600 | Minimum allowable SVD data speed set to |
| | 9600bps |
|--------------+---------------------------------------------|
| y=12000 | Minimum allowable SVD data speed set to |
| | 12.0Kbps |
|--------------+---------------------------------------------|
| y=14400 | Minimum allowable SVD data speed set to |
| | 14.4Kbps |
|--------------+---------------------------------------------|
| z=4800 | Maximum allowable SVD data speed set to |
| | 4800bps |
|--------------+---------------------------------------------|
| z=7200 | Maximum allowable SVD data speed set to |
| | 7200bps |
|--------------+---------------------------------------------|
| z=9600 | Maximum allowable SVD data speed set to |
| | 9600bps |
|--------------+---------------------------------------------|
| z=12000 | Maximum allowable SVD data speed set to |
| | 12.0Kbps |
|--------------+---------------------------------------------|
| z=14400 | Maximum allowable SVD data speed set to |
| | 14.4Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SVD MODULATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SQS=x,y [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets simultaneous voice/data modulation |
|------------------------------------------------------------|
| Command | Function |
|---------------------------+--------------------------------|
| x=0 | V.61 modulation mode |
|---------------------------+--------------------------------|
| x=1 | ML144 modulation mode |
|---------------------------+--------------------------------|
| í x=2 | ML288 modulation mode |
|------------------------------------------------------------|
| í y=1 | SVD automatic modulation selection enabled |
|--------------+---------------------------------------------|
| y=2 | SVD automatic modulation selection disabled |
+------------------------------------------------------------+
S(status) REGISTERS
+------------------------------------------------------------+
| TRANSMISSION LEVEL - FAX |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S92=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 3-15 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission |
| | while in fax mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL - LEASED-LINE |
|------------------------------------------------------------|
| Type | Register or Configuration |
|-------------+----------------------------------------------|
| Format | AT [cmds] S91=n [cmds] |
|-------------+----------------------------------------------|
| Range | 3-15 |
|-------------+----------------------------------------------|
| Unit | -1 dBm |
|-------------+----------------------------------------------|
| Description | Sets the signal level for transmission over |
| | leased-lines |
+------------------------------------------------------------+