(TXT) View Source
# ACER, INC.
Card Type Modem(synchronous/asynchronous), Fax
Chip Set Unidentified
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.22, V.22bis, V.32, V.32bis,
V.32terbo, V.34
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP2-5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in | CN1 | RS-232/422 | CN3 |
|-----------------------------+----------+------------+------|
| Line out | CN2 | DC power | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Status | Condition |
|------+--------+--------------------------------------------|
| MR | On | Power is on |
|------+--------+--------------------------------------------|
| MR | Off | Power is off |
|------+--------+--------------------------------------------|
| TR | On | DTR signal is high |
|------+--------+--------------------------------------------|
| TR | Off | DTR signal is low |
|------+--------+--------------------------------------------|
| SD | On | Modem transmitting data |
|------+--------+--------------------------------------------|
| SD | Off | Modem not transmitting data |
|------+--------+--------------------------------------------|
| RD | On | Modem receiving data |
|------+--------+--------------------------------------------|
| RD | Off | Modem not receiving data |
|------+--------+--------------------------------------------|
| OH | On | Modem is off-hook |
|------+--------+--------------------------------------------|
| OH | Off | Modem is on-hook |
|------+--------+--------------------------------------------|
| CD | On | Carrier signal detected |
|------+--------+--------------------------------------------|
| CD | Off | Carrier signal not detected |
|------+--------+--------------------------------------------|
| AA | On | Auto-answer enabled |
|------+--------+--------------------------------------------|
| AA | Off | Auto-answer disabled |
|------+--------+--------------------------------------------|
| EC | On | Error correction in progress |
|------+--------+--------------------------------------------|
| EC | Off | Error correction inactive |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO ANSWER RING COUNT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S0=n [cmds] |
|--------------+---------------------------------------------|
| Unit: | 1 ring |
|--------------+---------------------------------------------|
| Description: | Sets the number of rings allowed before the |
| | modem automatically goes off-hook |
|--------------+---------------------------------------------|
| Note: | If S0=0, automatic-answering is disabled. |
| | The A command must be used to go off-hook. |
|------------------------------------------------------------|
| Country | Default | Range |
|------------------------+------------------+----------------|
| Standard | 0 | 0-255 |
|------------------------+------------------+----------------|
| France | 0 | 0,2-3 |
|------------------------+------------------+----------------|
| Germany | 0 | 0-5 |
|------------------------+------------------+----------------|
| Switzerland | 0 | 0,2-9 |
|------------------------+------------------+----------------|
| Italy | 0 | 0,2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| Auto-reliable fallback character |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S29=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | The character used for fallback in |
| | auto-reliable mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| Baud rate set selection |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the type of baud rates the modem uses |
|--------------+---------------------------------------------|
| Note: | This command only functions in the external |
| | version |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| %N0 | Sets modem to IBM PC DTE baud rates |
|----------------+-------------------------------------------|
| %N1 | Sets modem to NEC PC98 DTE baud rate set |
| | 1 |
|----------------+-------------------------------------------|
| %N2 | Sets modem to NEC PC98 DTE baud rate set |
| | 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT MAPPED REGISTERS |
|------------------------------------------------------------|
| Register | Default |
|------------------------------+-----------------------------|
| S14 | 137 |
|------------------------------+-----------------------------|
| S15 | 83 |
|------------------------------+-----------------------------|
| S17 | 75 |
|------------------------------+-----------------------------|
| S19 | 3 |
|------------------------------+-----------------------------|
| S20 | 0 |
|------------------------------+-----------------------------|
| S21 | 48 |
|------------------------------+-----------------------------|
| S22 | 246 |
|------------------------------+-----------------------------|
| S23 | 12 |
|------------------------------+-----------------------------|
| S24 | 72 |
|------------------------------+-----------------------------|
| S27 | 0 |
|------------------------------+-----------------------------|
| S28 | 16 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BLIND DIALING DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S6=n [cmds] |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Duration of delay after modem goes off-hook |
| | and before dialing blindly during modes set |
| | by X0, X1 or X3 commands. |
|------------------------------------------------------------|
| Country | Default | Range |
|------------------+--------------------+--------------------|
| Standard | 2 | 2-255 |
|------------------+--------------------+--------------------|
| United Kingdom | 4 | 4-7 |
|------------------+--------------------+--------------------|
| Switzerland | 2 | 5-15 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARRIER LOSS RESPONSE TIME |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S10=n [cmds] |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Maximum time allowed by the modem after |
| | losing the carrier signal and prior to |
| | initiating hang-up process. |
|------------------------------------------------------------|
| Country | Default | Range |
|-----------------------+---------------------+--------------|
| Standard | 14 | 1-255 |
|-----------------------+---------------------+--------------|
| Germany | 14 | 2-204 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode options |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| í &Q0 | Asynchronous mode, serial port speed |
| | follows connect speed. |
|--------------+---------------------------------------------|
| &Q1 | Asynchronous off-line command mode and |
| | synchronous connect mode. |
|--------------+---------------------------------------------|
| &Q2 | If an off to on DTR transition occurs, |
| | modem automatically dials first number in |
| | directory, then activates synchronous |
| | connect mode. |
|--------------+---------------------------------------------|
| &Q3 | Synchronous connect mode on high DTR. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls |
|--------------+---------------------------------------------|
| Note: | The B command allows the simultaneous |
| | selection of more than one suffix, enabling |
| | multiple protocols. |
|--------------+---------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| B0 | ITU-T V.22 at 1200bps or V.21 at 300 |
|--------------+---------------------------------------------|
| B1 | Bell 212A at 1200bps or Bell 103 at 300 |
|--------------+---------------------------------------------|
| B2 | In V.23 originate mode receive at 1200bps |
| | transmit at 75bps; in answer mode receive |
| | at 75bps transmit at 1200bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| DR | Answer mode enabled; originate mode |
| | disabled following handshake initiation. |
|--------------+---------------------------------------------|
| DS=n | Dial stored telephone number n (n= 0 to 3) |
|--------------+---------------------------------------------|
| 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"WXY" | Optional method of denoting telephone |
| | numbers. Letters enclosed in quotes are |
| | interpreted as numbers according to the |
| | system found on a telephone keypad. |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D@ | Wait for Quiet 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. |
|--------------+---------------------------------------------|
| D^ | Enables calling tone for data modem |
+------------------------------------------------------------+
+------------------------------------------------------------+
| dumb mode |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Puts the modem into dumb mode |
|--------------+---------------------------------------------|
| Note: | Used in situations where the modem’s |
| | microprocessor is not required, such as |
| | connection to a mainframe, leased line, or |
| | in synchronous mode |
|------------------------------------------------------------|
| Command | Function |
|---------------------------+--------------------------------|
| %D0 | Dumb mode disabled |
|---------------------------+--------------------------------|
| %D1 | Dumb mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S30=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating hang-up |
| | process. |
|--------------+---------------------------------------------|
| Note: | S30=0 disables the timer and allows |
| | indefinite inactivity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| Modem connection speed |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum connection speed |
|------------------------------------------------------------|
| Command | Function |
|----------------------------+-------------------------------|
| %B300 | 300bps |
|----------------------------+-------------------------------|
| %B1200 | 1200bps |
|----------------------------+-------------------------------|
| %B2400 | 2400bps |
|----------------------------+-------------------------------|
| %B4800 | 4800bps |
|----------------------------+-------------------------------|
| %B7200 | 7200bps |
|----------------------------+-------------------------------|
| %B9600 | 9600bps |
|----------------------------+-------------------------------|
| %B12000 | 12.0Kbps |
|----------------------------+-------------------------------|
| %B14400 | 14.4Kbps |
|----------------------------+-------------------------------|
| %B16800 | 16.8Kbps |
|----------------------------+-------------------------------|
| %B19200 | 19.2Kbps |
|----------------------------+-------------------------------|
| %B21600 | 21.6Kbps |
|----------------------------+-------------------------------|
| %B24000 | 24.0Kbps |
|----------------------------+-------------------------------|
| %B26400 | 26.4Kbps |
|----------------------------+-------------------------------|
| %B28800 | 28.8Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NO CARRIER TIME-OUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S7=n [cmds] |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum time the modem waits after dialing |
| | to detect a carrier signal from the remote |
| | modem for both originating and answering |
| | calls. |
|--------------+---------------------------------------------|
| Note: | W dial modifier also uses S7 to set the |
| | maximum time to wait. |
|------------------------------------------------------------|
| Country | Default | Range |
|------------------------+-------------------+---------------|
| Standard | 45 | 1-255 |
|------------------------+-------------------+---------------|
| France | 45 | 30-85 |
|------------------------+-------------------+---------------|
| Germany | 45 | 5-80 |
|------------------------+-------------------+---------------|
| Switzerland | 45 | 5-55 |
|------------------------+-------------------+---------------|
| Italy | 50 | 45-50 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &P0 | 33/67ms at 10pps (Europe) |
|--------------+---------------------------------------------|
| &P1 | 39/61ms at 10pps |
|--------------+---------------------------------------------|
| &P2 | 33/67ms at 20pps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports modem product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports model and firmware identification |
|--------------+---------------------------------------------|
| I5 | Reports country code |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS TO CTS DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S26=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 1 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | .01 second |
|--------------+---------------------------------------------|
| Description: | Sets the duration of delay for CTS to |
| | respond to RTS status change |
|--------------+---------------------------------------------|
| Note: | This is only used when &R0 is set. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TONE PULSE DURATION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S11=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 95 |
|--------------+---------------------------------------------|
| Range: | 50-255 |
|--------------+---------------------------------------------|
| Unit: | 1 ms |
|--------------+---------------------------------------------|
| Description: | DTMF tone pulse duration and time between |
| | tone pulses for tone dialing operations. |
|------------------------------------------------------------|
| Country | Default | Range |
|----------------------+-------------------+-----------------|
| Standard | 95 | 50-255 |
|----------------------+-------------------+-----------------|
| France | 85 | 70-90 |
|----------------------+-------------------+-----------------|
| Germany | 85 | 85-95 |
|----------------------+-------------------+-----------------|
| Switzerland | 85 | 70-90 |
|----------------------+-------------------+-----------------|
| Italy | 85 | 65-150 |
|----------------------+-------------------+-----------------|
| Spain | 135 | 135-255 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL - PSTN |
|------------------------------------------------------------|
| Type | Register or Configuration |
|-------------+----------------------------------------------|
| Format | AT [cmds] S91=n [cmds] |
|-------------+----------------------------------------------|
| Unit | -1 dBm |
|-------------+----------------------------------------------|
| Description | Sets the signal level for transmission over |
| | switched phone lines |
|------------------------------------------------------------|
| Country | Default | Range |
|-----------------------+--------------------+---------------|
| Standard | 12 | 0-15 |
|-----------------------+--------------------+---------------|
| Sweden | 14 | 0-15 |
+------------------------------------------------------------+