TEXT View Source
# ACER, INC.
FM56-RS
Card Type Modem/Fax (asynchronous)
Chip Set Unidentified
I/O Options Sound card interface, motherboard
interface, line out, line in,
microphone in, speaker out
Maximum Modem Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A,
Protocol
ITU-T V.21, V.22, V.23, V.22bis, V.32,
V.32bis, V.34, K56flex
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error ITU-T V.42, V.42bis, MNP5
Correction/Compression
Fax Class Class I
Data Bus 8-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Speaker out | CN4 |
|-------------------+---------+-----------------------+------|
| Line in | CN2 | Sound card connector | JP13 |
|-------------------+---------+-----------------------+------|
| Microphone in | CN3 | Motherboard connector | JP18 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B |
|--------------------+-------------------+-------------------|
| COM1 (3F8h) | On | On |
|--------------------+-------------------+-------------------|
| COM2 (2F8h) | On | Off |
|--------------------+-------------------+-------------------|
| COM3 (3E8h) | Off | On |
|--------------------+-------------------+-------------------|
| í COM4 (2E8h) | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP1/C | JP1/D | JP1/E | JP1/F | JP1/G |
|-------+----------+----------+----------+---------+---------|
| í 3 | Closed | Open | Open | Open | Open |
|-------+----------+----------+----------+---------+---------|
| 4 | Open | Closed | Open | Open | Open |
|-------+----------+----------+----------+---------+---------|
| 5 | Open | Open | Closed | Open | Open |
|-------+----------+----------+----------+---------+---------|
| 7 | Open | Open | Open | Closed | Open |
|-------+----------+----------+----------+---------+---------|
| 9 | Open | Open | Open | Open | Closed |
|-------+----------+----------+----------+---------+---------|
| 10 | Open | Open | Open | Open | Open |
|-------+----------+----------+----------+---------+---------|
| 11 | Open | Open | Open | Open | Open |
|-------+----------+----------+----------+---------+---------|
| 12 | Open | Open | Open | Open | Open |
|-------+----------+----------+----------+---------+---------|
| 15 | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION CONTINUED |
|------------------------------------------------------------|
| IRQ | JP1/H | JP1/I | JP1/J | JP1/K |
|---------+------------+------------+------------+-----------|
| í 3 | Open | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 4 | Open | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 5 | Open | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 7 | Open | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 9 | Open | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 10 | Closed | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 11 | Open | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 12 | Open | Open | Closed | Open |
|---------+------------+------------+------------+-----------|
| 15 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, B, E, H, M, O, P, Q, S, T, V, X, Y, Z |
|------------------------------------------------------------|
| &C, &M, &P, &Q, &R, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \G, \K, \N, \V, |
|------------------------------------------------------------|
| %C, %E, %L, %Q, %7, %8 |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S16, S18, S21, S24, S25, S29, S30, S31, |
|------------------------------------------------------------|
| S32, S33, S38, S91, S92, S95 |
|------------------------------------------------------------|
| Special Commands |
|------------------------------------------------------------|
| +MS?, +H, "V, -K, _SEC, #CLS, #MFR, #MDL, #REV, #VBQ, #VCI |
| , #VSD, #VRX, #VSK |
|------------------------------------------------------------|
| |
|------------------------------------------------------------|
| 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 |
|--------------+---------------------------------------------|
| N1 | Auto-mode detection enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONFIGURATION PROFILES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays active and stored configuration |
| | profiles |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &V1 | Display last connection status |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|---------------+--------------------------------------------|
| Description: | Selects modem response to DTR |
|------------------------------------------------------------|
| Note: The action each variant of &D causes depends on the |
| setting of &Q |
|------------------------------------------------------------|
| &Q Setting | &D0 | &D1 | &D2 |
|------------------+-------------+-------------+-------------|
| &Q0, &Q5, &Q6 | NONE | Command 3 | Command 3 |
|------------------+-------------+-------------+-------------|
| &Q1, &Q4 | Command 1 | Command 3 | Command 3 |
|------------------+-------------+-------------+-------------|
| &Q2, &Q3 | Command 2 | Command 2 | Command 2 |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| Command 0 | Modem does not respond to DTR |
|---------------+--------------------------------------------|
| Command 1 | Modem goes to command mode after DTR goes |
| | is off |
|---------------+--------------------------------------------|
| Command 2 | Modem goes to command mode and disconnects |
| | (hangs up) after DTR goes off; Auto-Answer |
| | is disabled. |
|---------------+--------------------------------------------|
| Command 3 | 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 |
|--------------+---------------------------------------------|
| 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* | Dials the star digit on tone dialing mode |
|--------------+---------------------------------------------|
| D# | Dials the gate digit on tone dialing mode |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Restore factory configuration 0 |
|--------------+---------------------------------------------|
| &F1 | Restore factory configuration 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| &K3 | RTS to CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K5 | Transparent XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K6 | RTS/CTS & 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 |
|------------------------------------------------------------|
| Note: Used primarily for international data |
| transmission |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &G0 | Guard tone disabled |
|--------------+---------------------------------------------|
| &G1 | Guard tone disabled |
|--------------+---------------------------------------------|
| &G2 | 1800Hz guard tone enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODULATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] "Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls modulation for V.32 or V.34 |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| "V.21" | V.21 modulation |
|--------------+---------------------------------------------|
| "V.22" | V.22 or V.22bis modulation |
|--------------+---------------------------------------------|
| "V.23" | V.23 modulation |
|--------------+---------------------------------------------|
| "V.32" | V.32 or V.32bis modulation |
|--------------+---------------------------------------------|
| "V.34" | V.34 modulation |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 - FALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|---------+--------------------------------------------------|
| Format: | AT [cmds] -Qn [cmds] |
|---------+--------------------------------------------------|
| Note: | This command is included only for compatibility |
| | and performs no function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 - LINK NEGOTIATION |
|------------------------------------------------------------|
| Type: | Configuration |
|---------+--------------------------------------------------|
| Format: | AT [cmds] *Hn [cmds] |
|---------+--------------------------------------------------|
| Note: | Included only for compatibility and performs no |
| | function |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 - POWER LEVEL ADJUST |
|------------------------------------------------------------|
| Type: | Configuration |
|---------+--------------------------------------------------|
| Format: | AT [cmds] )Mn [cmds] |
|---------+--------------------------------------------------|
| Note: | This command is included only for compatibility |
| | and performs no function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PLUG AND PLAY SERIAL NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %7 [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets and stores plug and play serial |
| | number. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PLUG AND PLAY VENDOR ID AND PRODUCT NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %8 [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets and stores plug and play vendor ID and |
| | product number. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum (normally "255") |
|--------------+---------------------------------------------|
| I2 | Reports "OK" |
|--------------+---------------------------------------------|
| I3 | Reports firmware revision (VX.XXX) |
|--------------+---------------------------------------------|
| I4 | Reports OEM defined identifier string |
|--------------+---------------------------------------------|
| I5 | Reports country code parameter |
|--------------+---------------------------------------------|
| I6 | Reports modem data pump model and internal |
| | code revision |
|--------------+---------------------------------------------|
| I7 | Reports "255" |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Tn |
|--------------+---------------------------------------------|
| Description: | Selects test options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &T0 | End current test |
|--------------+---------------------------------------------|
| &T1 | Begin local analog loopback test |
|--------------+---------------------------------------------|
| &T2 | Returns ERROR |
|--------------+---------------------------------------------|
| &T3 | Begin local digital loopback |
|--------------+---------------------------------------------|
| &T4 | Grant remote digital loopback request |
|--------------+---------------------------------------------|
| &T5 | Deny remote digital loopback request |
|--------------+---------------------------------------------|
| &T6 | Request remote digital loopback |
|--------------+---------------------------------------------|
| &T7 | Request remote digital loopback and |
| | self-test |
|--------------+---------------------------------------------|
| &T8 | Begin local analog loopback and self-test |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TONE GENERATOR LENGTH |
|------------------------------------------------------------|
| Format | AT [cmds] #VBT=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0 - 40 |
|--------------+---------------------------------------------|
| Unit: | 0.1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of DTMF tones that are |
| | generated. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #VBT0 | Disables the tone generation capability |
|--------------+---------------------------------------------|
| #VBT1 | Sets tone duration time to .1 second |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL - CELLULAR |
|------------------------------------------------------------|
| Type: | Configuration |
|---------+--------------------------------------------------|
| Format: | AT [cmds] @Mn [cmds] |
|---------+--------------------------------------------------|
| Range: | 11-31 |
|---------+--------------------------------------------------|
| Unit: | -1dBm |
|---------+--------------------------------------------------|
| Note: | This command is included only for compatibility |
| | and performs no function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32 - COMPROMISE EQUALIZER |
|------------------------------------------------------------|
| Type: | Configuration |
|---------+--------------------------------------------------|
| Format: | AT [cmds] :En [cmds] |
|---------+--------------------------------------------------|
| Note: | This command is included only for compatibility |
| | and performs no function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE - DISPLAY COMPRESSION TYPE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VCI? [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the type of compression currently |
| | in use. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE - LOCAL SERIAL PORT SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #BDR=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the speed of the local serial port |
| | when in voice mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #BDR=0 | Autobaud selected |
|--------------+---------------------------------------------|
| #BDR=1 | Set speed to 2400bps |
|--------------+---------------------------------------------|
| #BDR=2 | Set speed to 4800bps |
|--------------+---------------------------------------------|
| #BDR=4 | Set speed to 9600bps |
|--------------+---------------------------------------------|
| #BDR=6 | Set speed to 14.4Kbps |
|--------------+---------------------------------------------|
| #BDR=8 | Set speed to 19.2Kbps |
|--------------+---------------------------------------------|
| #BDR=12 | Set speed to 28.8Kbps |
|--------------+---------------------------------------------|
| #BDR=16 | Set speed to 38.4Kbps |
|--------------+---------------------------------------------|
| #BDR=24 | Set speed to 57.6Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE BUFFER SPACE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VSK=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 255 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 byte |
|--------------+---------------------------------------------|
| Description: | Sets the amount of data the modem can send |
| | into the buffer after the XOFF signal is |
| | sent. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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=1 | Telephone handset used for voice I/O. |
|--------------+---------------------------------------------|
| #VLS=2 | Internal speaker only used for voice I/O. |
|--------------+---------------------------------------------|
| #VLS=3 | External microphone only used for voice |
| | I/O. |
|--------------+---------------------------------------------|
| #VLS=4 | Telephone line and handset used for voice |
| | I/O; internal speaker enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE RECEIVE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VRX=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands the modem to begin receiving voice |
| | data. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE RE-RING DETECT TIME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VRA=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 70 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 10 mS |
|--------------+---------------------------------------------|
| Description: | Sets the maximum time the modem will wait |
| | for the remote station to ring again before |
| | it assumes that it has gone off-hook. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #VRA=0 | Ringback goes away timer disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE RING DETECT TIME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VRN=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Sets the maximum time the modem will wait |
| | for the remote station to ring before it |
| | assumes that it went off-hook before it |
| | rang. |
|------------------------------------------------------------|
| Command | Function |
|------------+-----------------------------------------------|
| #VRN=0 | Disables voice ring detect time |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE SAMPLE QUALITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VBS=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the number of bits per sample that |
| | the modem records. |
|------------------------------------------------------------|
| Note: | This modem may not support all options |
| | listed below. The #VBS? Command will |
| | display the available options. |
|------------------------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #VBS=2 | Modem records 2 bits per sample in ADPCM |
| | encoding. |
|--------------+---------------------------------------------|
| #VBS=3 | Modem records 3 bits per sample in ADPCM |
| | encoding. |
|--------------+---------------------------------------------|
| î #VBS=4 | Modem records 4 bits per sample in ADPCM |
| | encoding. |
+------------------------------------------------------------+
S(status) -REGISTERS
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format: | AT [cmds] S14=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-174 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls echo, result codes and display, |
| | dial mode, and answer/originate mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used |
|------+-------+---------------------------------------------|
| 1 | 0 | Command echo disabled |
| | | |
| | 1 | Command echo enabled |
|------+-------+---------------------------------------------|
| 2 | 0 | Result codes enabled |
| | | |
| | 1 | Result codes disabled |
|------+-------+---------------------------------------------|
| 3 | 0 | Display result codes in numeric format |
| | | |
| | 1 | Display result codes in verbose format |
|------+-------+---------------------------------------------|
| 5 | 0 | Tone dial enabled |
| | | |
| | 1 | Pulse dial enabled |
|------+-------+---------------------------------------------|
| 6 | 0 | Not used |
|------+-------+---------------------------------------------|
| 7 | 0 1 | Answer mode enabled |
| | | |
| | | Originate mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S19 |
|------------------------------------------------------------|
| Format | AT [cmds] S19=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0, 0, 0, 0 |
|--------------+---------------------------------------------|
| Range: | 0-253 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects communications protocol, address |
| | detection, NRZ mode, and idle indicator. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1 | 0 | Selects BSC format |
| | | |
| | 1 | Selects HDLC format |
|------+-------+---------------------------------------------|
| 2 | 0 | Address detection disabled |
| | | |
| | 1 | Address detection enabled |
|------+-------+---------------------------------------------|
| 3 | 0 | NRZI coding enabled |
| | | |
| | 1 | NRZ coding enabled |
|------+-------+---------------------------------------------|
| 4 | 0 | Mark idle |
| | | |
| | 1 | Flag or sync idle |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTOSYNC |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S20=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Selects the AutoSync HDLC address or BSC |
| | sync character |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-189 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Grants/denies remote digital loopback, |
| | controls DTE rate and parity, and sets |
| | guard tone. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Remote digital loopback denied |
| | | |
| | 1 | Remote digital loopback allowed |
|------+-------+---------------------------------------------|
| 3 - | 000 | Sets serial port speed to 0-300bps |
| 1 | | |
| | 001 | Sets serial port speed to 1200bps |
| | | |
| | 010 | Sets serial port speed to 2400bps |
| | | |
| | 011 | Sets serial port speed to 4800bps |
| | | |
| | 100 | Sets serial port speed to 9600bps |
| | | |
| | 101 | Sets serial port speed to 19200bps |
| | | |
| | 110 | Sets serial port speed to 38400bps |
|------+-------+---------------------------------------------|
| 5, 4 | 00 | Parity even |
| | | |
| | 01 | Space Parity |
| | | |
| | 10 | Parity odd |
| | | |
| | 11 | Mark or No Parity |
|------+-------+---------------------------------------------|
| 7, 6 | 00 | Guard tone disabled |
| | | |
| | 01 | Guard tone disabled |
| | | |
| | 10 | Guard tone 1800Hz enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-111 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects ITU-T/Bell modes. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1 | 0 | Not used |
|------+-------+---------------------------------------------|
| 2 | 0 | Not used |
|------+-------+---------------------------------------------|
| 3 | 0 | Not used |
|------+-------+---------------------------------------------|
| 4 | 0 | Not used |
|------+-------+---------------------------------------------|
| 5 | 0 | Not used |
|------+-------+---------------------------------------------|
| 6 | 0 | ITU/T mode |
| | | |
| | 1 | Bell mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format | AT [cmds] S28=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-31 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls pulse dialing and MNP link speed. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used |
|------+-------+---------------------------------------------|
| 1 | 0 | Not used |
|------+-------+---------------------------------------------|
| 2 | 0 | Not used |
|------+-------+---------------------------------------------|
| 4, 3 | 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 | 00 | Highest speed |
| | | |
| | 01 | 1200bps |
| | | |
| | 10 | 4800bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION NEGOTIATION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S36=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the action of the modem if it fails |
| | to connect with the error-correction |
| | protocol set in &Q. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S36=0 | Hang up |
|--------------+---------------------------------------------|
| S36=1 | Attempt a direct connection |
|--------------+---------------------------------------------|
| S36=3 | Attempt a buffered connection |
|--------------+---------------------------------------------|
| S36=4 | Attempt a connection at MNP2-4; if that |
| | fails, hang up. |
|--------------+---------------------------------------------|
| S36=5 | Attempt a connection at MNP2-4; if that |
| | fails, attempt a direct connection. |
|--------------+---------------------------------------------|
| S36=7 | Attempt a connection at MNP2-4; if that |
| | fails, attempt a buffered connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCE LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum allowable data exchange |
| | rate attempted during handshake process. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S37=0 | Auto-detect mode |
|--------------+---------------------------------------------|
| S37=1-3 | 300bps |
|--------------+---------------------------------------------|
| S37=5 | V.22 1200bps |
|--------------+---------------------------------------------|
| S37=6 | V.22bis 2400bps |
|--------------+---------------------------------------------|
| S37=7 | V.23 |
|--------------+---------------------------------------------|
| S37=8 | V.32bis or V.32 4800bps |
|--------------+---------------------------------------------|
| S37=9 | V.32bis or V.32 9600bps |
|--------------+---------------------------------------------|
| S37=10 | V.32bis 12000bps |
|--------------+---------------------------------------------|
| S37=11 | V.32bis 14400bps |
|--------------+---------------------------------------------|
| S37=12 | V.32bis 7200bps |
|--------------+---------------------------------------------|
| S37=15 | V.FC 14400 |
|--------------+---------------------------------------------|
| S37=16 | V.FC 16800 |
|--------------+---------------------------------------------|
| S37=17 | V.FC 19200 |
|--------------+---------------------------------------------|
| S37=18 | V.FC 21600 |
|--------------+---------------------------------------------|
| S37=19 | V.FC 24000 |
|--------------+---------------------------------------------|
| S37=20 | V.FC 24600 |
|--------------+---------------------------------------------|
| S37=21 | V.FC 28800 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S39? [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the current flow control |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | Flow control disabled |
|--------------+---------------------------------------------|
| 3 | RTS/CTS flow control enabled (&K3, Default) |
|--------------+---------------------------------------------|
| 4 | XON/XOFF flow control enabled (&K4) |
|--------------+---------------------------------------------|
| 5 | Transparent XON/XOFF flow control enabled |
| | (&K5) |
|--------------+---------------------------------------------|
| 6 | Both methods (&K6) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S40 |
|------------------------------------------------------------|
| Format | AT [cmds] S40=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls power level and break handling; |
| | selects MNP extended services, link |
| | negotiation, and block size. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0, 1 | 00 | MNP Extended Services disabled |
| | | |
| | 01 | MNP Extended Services enabled |
| | | |
| | 10 | MNP Extended Services enabled |
|------+-------+---------------------------------------------|
| 2 | 0 | Power level adjustment enabled |
| | | |
| | 1 | Power level adjustment disabled |
|------+-------+---------------------------------------------|
| 4 | 0 | Not used |
|------+-------+---------------------------------------------|
| 5, 3 | 000 | AT\K0 |
| | | |
| | 001 | AT\K1 |
| | | |
| | 010 | AT\K2 |
| | | |
| | 011 | AT\K3 |
| | | |
| | 100 | AT\K4 |
| | | |
| | 101 | AT\K5 |
|------+-------+---------------------------------------------|
| 7, 6 | 00 | MNP block size is 64 characters |
| | | |
| | 01 | MNP block size is 128 characters |
| | | |
| | 10 | MNP block size is 192 characters |
| | | |
| | 11 | MNP block size is 256 characters |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S41 |
|------------------------------------------------------------|
| Format | AT [cmds] S41=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-31 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects compression, auto-retrain, flow |
| | control, MNP mode, and fallback mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Data compression disabled |
| | | |
| | 01 | MNP5 enabled |
| | | |
| | 10 | V.42bis enabled |
| | | |
| | 11 | MNP5 and V.42bis enabled |
|------+-------+---------------------------------------------|
| 6, 2 | 00 | Auto-retrain disabled |
| | | |
| | 01 | Auto-retrain enabled |
| | | |
| | 10 | Fallback/Fall forward enabled |
|------+-------+---------------------------------------------|
| 3 | 0 | Flow control disabled |
| | | |
| | 1 | Flow control enabled |
|------+-------+---------------------------------------------|
| 4 | 0 | Stream mode for MNP |
| | | |
| | 1 | Block mode for MNP |
|------+-------+---------------------------------------------|
| 5 | 0 | Not used |
|------+-------+---------------------------------------------|
| 6 | 0 | Not used |
|------+-------+---------------------------------------------|
| 7 | 0 | Fallback disabled |
| | | |
| | 1 | Fallback enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION/COMPRESSION |
|------------------------------------------------------------|
| Type: | Register |
|------------------------------------------------------------|
| Format: | AT [cmds] S46=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects active error correction and |
| | compression protocols |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S46=136 | LAP-M only, no compression |
|---------------+--------------------------------------------|
| S46=138 | LAP-M with V.42bis data compression |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FEATURE NEGOTIATION OPTIONS |
|------------------------------------------------------------|
| Type: | Register |
|------------------------------------------------------------|
| Format: | AT [cmds] S48=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects active error correction and |
| | compression protocols |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S48=0 | Detection negotiation disabled, XID |
| | negotiation disabled |
|---------------+--------------------------------------------|
| S48=7 | Detection negotiation and XID negotiation |
| | enabled |
|---------------+--------------------------------------------|
| S48=128 | Fall-back to options set in S36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK OPTIONS |
|------------------------------------------------------------|
| Type: | Register |
|--------+---------------------------------------------------|
| Format | AT [cmds] S82=n [cmds] |
|--------+---------------------------------------------------|
| Note: | This register for compatibility purposes only and |
| | performs no function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION FAILURE CODES |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S86? [cmds] |
|--------------+---------------------------------------------|
| Description: | Reports codes which correspond to the |
| | possible causes of a connection failure |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | Normal hang up |
|--------------+---------------------------------------------|
| 4 | Carrier signal lost |
|--------------+---------------------------------------------|
| 5 | No error-control detected for remote modem |
| | during feature negotiation |
|--------------+---------------------------------------------|
| 9 | No common protocol found |
|--------------+---------------------------------------------|
| 12 | No failure - remote modem disconnected |
| | normally |
|--------------+---------------------------------------------|
| 13 | Remote modem failed to respond after 10 |
| | re-transmissions same message |
|--------------+---------------------------------------------|
| 14 | Violation of negotiated protocol caused |
| | failure |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CELLULAR TRANSMIT LEVEL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S201=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Works in combination with the @Mn and :En |
| | commands to support cellular connection. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 - | @Mn | Initial power level setting |
| 4 | | |
|------+-------+---------------------------------------------|
| 5 | :En | Compromise equalizer enable command |
+------------------------------------------------------------+