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# NETCOMM LIMITED
ROADSTER ULTRA SVD (AM3470, AM3470M)
Card Type Modem (asynchronous)
Chipset Unidentified
I/O Options Microphone in, speaker out, voice,
speakerphone, SVD
Maximum Data Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A, 212A
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.27ter, V.29
Error MNP5, MNP10EC, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus Serial
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------------+-------+---------------+-------|
| AC power in | CN1 | Speaker out | CN4 |
|----------------------------+-------+---------------+-------|
| Serial port via 9-pin | CN2 | Microphone in | CN5 |
| mini-DIN | | | |
|----------------------------+-------+---------------+-------|
| Telephone line out | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| POWER SWITCH |
|------------------------------------------------------------|
| Setting | SW1 |
|---------------------------------+--------------------------|
| Standby; wait for incoming call | Position 1 |
|---------------------------------+--------------------------|
| Power is off | Position 2 |
|---------------------------------+--------------------------|
| Power is on | Position 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|---------+---------+-----------+----------------------------|
| TD | Red | Blinking | Modem is transmitting data |
|---------+---------+-----------+----------------------------|
| TD | Red | Off | Modem is not transmitting |
| | | | data |
|---------+---------+-----------+----------------------------|
| RD | Red | Blinking | Modem is receiving data |
|---------+---------+-----------+----------------------------|
| RD | Red | Off | Modem is not receiving |
| | | | data |
|---------+---------+-----------+----------------------------|
| OH | Red | On | Modem is off-hook |
|---------+---------+-----------+----------------------------|
| OH | Red | Off | Modem is on-hook |
|---------+---------+-----------+----------------------------|
| CD | Red | On | Carrier signal detected |
|---------+---------+-----------+----------------------------|
| CD | Red | Off | Carrier signal not |
| | | | detected |
|---------+---------+-----------+----------------------------|
| AA | Red | On | Auto-answer enabled |
|---------+---------+-----------+----------------------------|
| AA | Red | Off | Auto-answer disabled |
|---------+---------+-----------+----------------------------|
| AA | Red | Blinking | Phone is ringing |
|---------+---------+-----------+----------------------------|
| TR | Red | On | DTR signal is high |
|---------+---------+-----------+----------------------------|
| TR | Red | Off | DTR signal is low |
|---------+---------+-----------+----------------------------|
| POWER | Red | On | Power is on |
|---------+---------+-----------+----------------------------|
| POWER | Red | Off | Power is off |
|------------------------------------------------------------|
| Note: The exact locations of the individual LEDs are |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &K, &Q, &R, &S, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \G, \L, \N, \V |
|------------------------------------------------------------|
| %C, %E, %L, %Q |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| :E, *H, -K, )M, @M, +MS, -Q |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S24, S25, S29, S30, S32, S33, S38 |
|------------------------------------------------------------|
| S48, S82, S86, S95 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| UNIDENTIFIED COMMANDS |
|------------------------------------------------------------|
| Command | Default |
|----------------------------+-------------------------------|
| \K | Unidentified |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| DISTINCTIVE RING |
|------------------------------------------------------------|
| Format: | AT [cmds] -SDR=a,b [cmds] |
|----------------+-------------------------------------------|
| Default: | a = 0, b = 0 |
|----------------+-------------------------------------------|
| Range: | a = 0 - 7, b = 0, 1 |
|----------------+-------------------------------------------|
| Description: | Selects which distinctive ring signals |
| | the modem will respond to and how it will |
| | respond. |
|------------------------------------------------------------|
| a Bit | a | Function |
| | Value | |
|----------+-------+-----------------------------------------|
| 0 | í 0 | Modem will not answer ring type 1. |
| | | |
| | 1 | Modem will answer ring type 1. |
|------------------------------------------------------------|
| 1 | í 0 | Modem will not answer ring type 2. |
| | | |
| | 1 | Modem will answer ring type 2. |
|-------------+-----+----------------------------------------|
| 2 | í 0 | Modem will not answer ring type 3. |
| | | |
| | 1 | Modem will answer ring type 3. |
|------------------------------------------------------------|
| Value | Meaning |
|--------------------+---------------------------------------|
| í b=0 | Modem will display all ring types 2 |
| | and 3 as RING. |
|--------------------+---------------------------------------|
| b=1 | Modem will display ring type 1 as |
| | RING1, ring type 2 as RING2, and ring |
| | type 3 as RING3. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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=1 | Modem will operate in fax class 1 mode. |
|--------------+---------------------------------------------|
| #CLS=8 | Modem will operate in voice mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKERPHONE OPTIONS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #SPK=x,y,z [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets various options for speakerphone |
| | functions. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| x=0 | Microphone enabled. |
|---------------+--------------------------------------------|
| x=1 | Microphone disabled. |
|---------------+--------------------------------------------|
| x=2 | Microphone enabled with maximum gain, |
| | speaker disabled. |
|---------------+--------------------------------------------|
| y | Default: | 5 |
|---------------+--------------+-----------------------------|
| | Range: | 0 - 16 |
|---------------+--------------+-----------------------------|
| | Unit: | -2 dBm |
|---------------+--------------+-----------------------------|
| | Description: | Sets the attenuation level |
| | | for speaker output in voice |
| | | mode. A value of 16 will |
| | | mute the speaker. |
|---------------+--------------------------------------------|
| z=0 | Microphone gain set to 0 dBm. |
|---------------+--------------------------------------------|
| z=1 | Microphone gain set to 6 dBm. |
|---------------+--------------------------------------------|
| z=2 | Microphone gain set to 9.5 dBm. |
|---------------+--------------------------------------------|
| z=3 | Microphone gain set to 12 dBm. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SVD DATA BURST |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SMC=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will increase |
| | data throughput when no audio signal is |
| | detected during an SVD connection. |
|------------------------------------------------------------|
| Command | Function |
|------------------------+-----------------------------------|
| -SMC=0 | Data burst disabled. |
|------------------------+-----------------------------------|
| í -SMC=1 | Data burst enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SVD BANDWIDTH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SMS=a,b,c,d [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the configuration, throughput |
| | levels, and baud rate that the mode will |
| | attempt to use for SVD mode. |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| a=0 | SVD mode disabled. |
|----------------+-------------------------------------------|
| a=2 | SVD mode enabled. |
|----------------+-------------------------------------------|
| í a=3 | Auto-detect correct mode. |
|----------------+-------------------------------------------|
| b,c=4800 | Sets the minimum and maximum combined |
| | voice and data speed to 4800bps, |
| | respectively. |
|----------------+-------------------------------------------|
| b,c=7200 | Sets the minimum and maximum combined |
| | voice and data speed to 7200bps, |
| | respectively. |
|----------------+-------------------------------------------|
| b,c=9600 | Sets the minimum and maximum combined |
| | voice and data speed to 9600bps, |
| | respectively. |
|----------------+-------------------------------------------|
| b,c=12000 | Sets the minimum and maximum combined |
| | voice and data speed to 12Kbps, |
| | respectively. |
|----------------+-------------------------------------------|
| b,c=14400 | Sets the minimum and maximum combined |
| | voice and data speed to 14.4Kbps, |
| | respectively. |
|----------------+-------------------------------------------|
| í d=0 | Auto-detects correct baud rate. |
|----------------+-------------------------------------------|
| d=1 | Sets ML288 baud rate to 2400 baud. |
|----------------+-------------------------------------------|
| d=2 | Sets ML288 baud rate to 2743 baud. |
|----------------+-------------------------------------------|
| d=3 | Sets ML288 baud rate to 2800 baud. |
|----------------+-------------------------------------------|
| d=4 | Sets ML288 baud rate to 3000 baud. |
|----------------+-------------------------------------------|
| d=5 | Sets ML288 baud rate to 3200 baud. |
|----------------+-------------------------------------------|
| d=6 | Sets ML288 baud rate to 3429 baud. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SVD MODULATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SQS=m,n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects which modulation type the modem |
| | will use for SVD mode. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| m=0 | Selects V.61 modulation. |
|---------------+--------------------------------------------|
| m=1 | Selects ML144 modulation. |
|---------------+--------------------------------------------|
| í m=2 | Selects ML288 modulation. |
|---------------+--------------------------------------------|
| n=0 | Modem will not auto-detect the correct |
| | modulation. |
|---------------+--------------------------------------------|
| í n=1 | Modem will auto-detect the correct |
| | modulation. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE DEVICE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VLS=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the I/O device for the DSP chip. |
|--------------+---------------------------------------------|
| Note: | This modem may not support all options |
| | listed below. The #VLS? command will |
| | display the available options. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #VLS=0 | Telephone line and handset used for voice |
| | I/O. |
|--------------+---------------------------------------------|
| #VLS=5 | Headset used for voice I/O. |
|--------------+---------------------------------------------|
| #VLS=6 | Speakerphone used for voice I/O. |
+------------------------------------------------------------+
See NETCOMM LIMITED ROADSTER 336 (AM3460) for a full command
summary.