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# MOTOROLA, INC.
VOICESURFR 33600 EXTERNAL
Card Type Modem (asynchronous)
Chip Set Unidentified
I/O Options Fast’RVu connectors (2)
Maximum Modem Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Protocol Bell 103/212A
V.34, V.32bis, V.32, V.22bis, V.21
Fax Modulation Protocol ITU-T V.17, V.29, V.27ter, V.21 CH2
Error V.42, V.42bis, MNP5
Correction/Compression
Fax Class Class I
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in (RJ-11) | CN1 | Speaker out | CN4 |
|-----------------------------+---------+-------------+------|
| Line out (RJ-11) | CN2 | RS-232/422 | CN5 |
|-----------------------------+---------+-------------+------|
| Microphone | CN3 | DC power | CN6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | On | Modem is receiving data |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | Off | Modem is not receiving data |
|-----+--------------+--------+------------------------------|
| SD | Unidentified | On | Modem is transmitting data |
|-----+--------------+--------+------------------------------|
| SD | Unidentified | Off | Modem is not transmitting |
| | | | data |
|-----+--------------+--------+------------------------------|
| CD | Unidentified | On | Carrier signal detected |
|-----+--------------+--------+------------------------------|
| CD | Unidentified | Off | Carrier signal not detected |
|-----+--------------+--------+------------------------------|
| OH | Unidentified | On | Modem is off-hook |
|-----+--------------+--------+------------------------------|
| OH | Unidentified | Off | Modem is on-hook |
|-----+--------------+--------+------------------------------|
| TR | Unidentified | On | DTR signal is high |
|-----+--------------+--------+------------------------------|
| TR | Unidentified | Off | DTR signal is low |
|-----+--------------+--------+------------------------------|
| RI | Unidentified | On | The modem is receiving an |
| | | | incoming call |
|-----+--------------+--------+------------------------------|
| RI | Unidentified | Off | The modem is not receiving |
| | | | an incoming call |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, E, H, M, O, S, V, X, Z |
|------------------------------------------------------------|
| &F, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \K, \Q |
|------------------------------------------------------------|
| %A |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S25, S26, S38 |
|------------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO FALLFORWARD/FALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &An [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls auto fallforward/fallback |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &A0 | Auto fallforward/fallback disable |
|--------------+---------------------------------------------|
| &A1 | Auto fallforward/fallback enable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA CARRIER DETECT (DCD) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the DCD option is enabled |
| | or disabled |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &C0 | DCD enabled |
|--------------+---------------------------------------------|
| &C1 | DCD enabled after carrier signal detected |
|--------------+---------------------------------------------|
| &C2 | Force DCD on and toggle DCD on disconnect |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high, off at disconnect |
|--------------+---------------------------------------------|
| í &S1 | DSR forced high in data or online mode, off |
| | in command or idle mode |
|--------------+---------------------------------------------|
| &S2 | DSR follows carrier detect |
|--------------+---------------------------------------------|
| &S3 | DSR is forced high in all modes |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &D0 | Modem does not respond to DTR |
|--------------+---------------------------------------------|
| &D1 | Modem goes to command mode after DTR goes |
| | is off |
|--------------+---------------------------------------------|
| &D2 | Modem goes to command mode and disconnects |
| | (hangs up) after DTR goes off; Auto-Answer |
| | is disabled. |
|--------------+---------------------------------------------|
| &D3 | Modem is initialized after DTR goes off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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/Pulse dialing disabled |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection |
|--------------+---------------------------------------------|
| D, | Dialing paused for amount of time specified |
| | in S8 register |
|--------------+---------------------------------------------|
| 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 silence up to |
| | the time specified in S7, is received prior |
| | to executing the rest of the dial string. |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| JACK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects maximum connect speed |
|--------------+---------------------------------------------|
| Command | Jack Type |
|--------------+---------------------------------------------|
| í &H0 | Auto-detect |
|--------------+---------------------------------------------|
| &H1 | V.34 |
|--------------+---------------------------------------------|
| &H2 | V.32bis automatic |
|--------------+---------------------------------------------|
| &H3 | V.32bis only |
|--------------+---------------------------------------------|
| &H4 | V.32 automatic |
|--------------+---------------------------------------------|
| &H5 | V.32 only |
|--------------+---------------------------------------------|
| &H6 | V.22 only (2400-1200bps) |
|--------------+---------------------------------------------|
| &H7 | V.22 only (1200bps) |
|--------------+---------------------------------------------|
| &H8 | Bell 212 only |
|--------------+---------------------------------------------|
| &H9 | Bell 103 only |
|--------------+---------------------------------------------|
| &H10 | V.21 only |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODEM TO MODEM SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the modem to modem speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &G5 | 4.8Kbps |
|--------------+---------------------------------------------|
| &G6 | 7.2Kbps |
|--------------+---------------------------------------------|
| &G7 | 9.6Kbps |
|--------------+---------------------------------------------|
| &G8 | 12.0Kbps |
|--------------+---------------------------------------------|
| &G9 | 14.4Kbps |
|--------------+---------------------------------------------|
| &G10 | 16.8Kbps |
|--------------+---------------------------------------------|
| &G11 | 19.2Kbps |
|--------------+---------------------------------------------|
| &G12 | 21.6Kbps |
|--------------+---------------------------------------------|
| &G13 | 24.0Kbps |
|--------------+---------------------------------------------|
| &G14 | 26.4Kbps |
|--------------+---------------------------------------------|
| &G15 | 28.8Kbps |
|--------------+---------------------------------------------|
| &G16 | 31.2Kbps |
|--------------+---------------------------------------------|
| í &G17 | 33.6Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports 000 |
|--------------+---------------------------------------------|
| I2 | Returns OK or ERROR |
|--------------+---------------------------------------------|
| I3 | Report firmware revision number |
|--------------+---------------------------------------------|
| I4 | Report configuration settings |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables modem to send result codes to the |
| | DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í Q0 | Result code sending enabled |
|--------------+---------------------------------------------|
| Q1 | Result code sending disabled |
|--------------+---------------------------------------------|
| Q2 | Call progress messages on originate |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| í L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRELLIS CODING |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Un |
|--------------+---------------------------------------------|
| Description: | Controls trellis coding |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &U0 | Trellis coding enable |
|--------------+---------------------------------------------|
| &U1 | Trellis coding disabled |
+------------------------------------------------------------+
Extended AT Commands
+------------------------------------------------------------+
| ANSWER MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %On [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the answer mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %O0 | Answer mode if ringing |
|--------------+---------------------------------------------|
| %O1 | Force to answer mode |
|--------------+---------------------------------------------|
| %O2 | Automatic answer in originate mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHARACTER ABORT DELAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the delay before character abort |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %K0 | Enable 2 second delay |
|--------------+---------------------------------------------|
| %K1 | Disable delay |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHARACTER LENGTH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the character length |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \B0 | 6 data bits, no parity, 1 stop bit |
|--------------+---------------------------------------------|
| \B1 | 7N1 |
|--------------+---------------------------------------------|
| \B2 | 7P1 |
|--------------+---------------------------------------------|
| \B3 | 8N1 |
|--------------+---------------------------------------------|
| \B4 | 7P2 |
|--------------+---------------------------------------------|
| \B5 | 8P1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| %C1 | Data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT AND PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the connect and protocol message |
| | functions |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Connect and protocol message reports modem |
| | to modem speed |
|--------------+---------------------------------------------|
| \V1 | Connect and protocol message reports |
| | computer to modem speed |
|--------------+---------------------------------------------|
| \V2 | Connect message reports computer to modem |
| | speed/V.42 error correction |
|--------------+---------------------------------------------|
| \V3 | Connect message reports computer to modem |
| | speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal operation |
|--------------+---------------------------------------------|
| \N1 | Direct operation |
|--------------+---------------------------------------------|
| \N2 | MNP connection only |
|--------------+---------------------------------------------|
| \N3 | V.42 LAPM, MNP or normal mode |
|--------------+---------------------------------------------|
| \N4 | V.42 LAPM connection only |
|--------------+---------------------------------------------|
| \N5 | V.42 LAPM or MNP mode |
|--------------+---------------------------------------------|
| \N6 | Simulated controlled carrier |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Zn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the DRT function |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %Z0 | Ignore DTR signal toggle |
|--------------+---------------------------------------------|
| %Z1 | Dial stored phone number (0-3) on DTR |
| | toggle |
|--------------+---------------------------------------------|
| %Z2 | Attempt to connect on DTR toggle |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \G0 | Flow control disabled |
|--------------+---------------------------------------------|
| \G1 | XON/XOFF flow control |
|--------------+---------------------------------------------|
| \G2 | XON/XOFF flow control only for transmitting |
| | data |
|--------------+---------------------------------------------|
| \G3 | XON/XOFF flow control with pass-through |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets parity |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \P0 | Even |
|--------------+---------------------------------------------|
| \P1 | Space |
|--------------+---------------------------------------------|
| \P2 | Odd |
|--------------+---------------------------------------------|
| \P3 | Mark |
|--------------+---------------------------------------------|
| \P4 | Automatic |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RETRAIN |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the retrain |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %Q0 | Disable retrain |
|--------------+---------------------------------------------|
| %Q1 | Attempt up to 3 retrains and disconnect if |
| | unsuccessful |
|--------------+---------------------------------------------|
| %Q2 | Retrain until signal quality is good |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the computer to modem speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \T0 | Autobaud |
|--------------+---------------------------------------------|
| \T1 | Set to last AT command entry |
|--------------+---------------------------------------------|
| \T2 | 300bps |
|--------------+---------------------------------------------|
| \T3 | 1200bps |
|--------------+---------------------------------------------|
| \T4 | 2400bps |
|--------------+---------------------------------------------|
| \T5 | 4800bps |
|--------------+---------------------------------------------|
| \T6 | 7200bps |
|--------------+---------------------------------------------|
| \T7 | 9600bps |
|--------------+---------------------------------------------|
| \T8 | 12.0Kbps |
|--------------+---------------------------------------------|
| \T9 | 14.4Kbps |
|--------------+---------------------------------------------|
| \T10 | 16.8Kbps |
|--------------+---------------------------------------------|
| \T11 | 19.2Kbps |
|--------------+---------------------------------------------|
| \T12 | 21.6Kbps |
|--------------+---------------------------------------------|
| \T13 | 24.0Kbps |
|--------------+---------------------------------------------|
| \T14 | 26.4Kbps |
|--------------+---------------------------------------------|
| \T15 | 28.8Kbps |
|--------------+---------------------------------------------|
| \T16 | 31.2Kbps |
|--------------+---------------------------------------------|
| \T17 | 33.6Kbps |
|--------------+---------------------------------------------|
| \T18 | 38.4Kbps |
|--------------+---------------------------------------------|
| \T19 | 57.6Kbps |
|--------------+---------------------------------------------|
| \T20 | 76.8Kbps |
|--------------+---------------------------------------------|
| \T21 | 115.2Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIMEOUT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets timeout, fallback, data buffer |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \C0 | Timeout and fallback, speed buffer, no data |
| | buffer |
|--------------+---------------------------------------------|
| \C1 | Timeout and fallback, speed buffer, buffer |
| | receive data |
|--------------+---------------------------------------------|
| \C2 | Auto reliable, fallback with fallback |
| | character, speed buffer, no receive data |
| | buffer |
|--------------+---------------------------------------------|
| \C3 | Timeout and fallback, ITU-T V.14, buffer |
| | receive data |
|--------------+---------------------------------------------|
| \C4 | Timeout and fallback with fallback |
| | character, ITU-T V.14, no data buffer |
+------------------------------------------------------------+
S(status) -REGISTERS
+------------------------------------------------------------+
| RETRANSMISSION COUNTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S70=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 100 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Description: | Sets the number of retransmission tries |
+------------------------------------------------------------+