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# PHILIPS CONSUMER ELECTRONICS, CO.
PCA11EM
Card Type Modem
Chip Set Unidentified
I/O Options Line out, line in, 25-pin DTE port,
power
Maximum Modem Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103/212A
Protocol
ITU-T V.22, V.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I & II
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out (RJ-11) | CN1 | 25-pin DTE port | CN3 |
|-------------------------+---------+-----------------+------|
| Line in (RJ-11) | CN2 | Power | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+------------------+----------+------------------------|
| MR | Unidentified | On | Power is on |
|-----+------------------+----------+------------------------|
| MR | Unidentified | Off | Power is off |
|-----+------------------+----------+------------------------|
| TR | Unidentified | On | DTR signal is high |
|-----+------------------+----------+------------------------|
| TR | Unidentified | Off | DTR signal is low |
|------------------------------------------------------------|
| SD | Unidentified | On | Modem is transmitting |
| | | | data |
|-------------+----------------+-----+-----------------------|
| SD | Unidentified | Off | Modem is not |
| | | | transmitting data |
|-------------+----------------+-----+-----------------------|
| RD | Unidentified | On | Modem is receiving |
| | | | data |
|-------------+----------------+-----+-----------------------|
| RD | Unidentified | Off | Modem is not |
| | | | receiving data |
|-------------+----------------+-----+-----------------------|
| OH | Unidentified | On | Modem is off hook |
|-------------+----------------+-----+-----------------------|
| OH | Unidentified | Off | Modem is on hook |
|------------------------------------------------------------|
| CD | Unidentified | On | Carrier signal |
| | | | detected or error |
| | | | correction negotiation |
| | | | completed |
|-----+------------------+----------+------------------------|
| CD | Unidentified | Off | Carrier signal not |
| | | | detected |
|-----+------------------+----------+------------------------|
| AA | Unidentified | On | Auto-answer enabled |
|-----+------------------+----------+------------------------|
| AA | Unidentified | Off | Auto-answer disabled |
|-----+------------------+----------+------------------------|
| EC | Unidentified | On | Error correction |
| | | | active |
|-----+------------------+----------+------------------------|
| EC | Unidentified | Off | Error correction |
| | | | inactive |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, E, H, M, O, P, T, V, X, Y, Z |
|------------------------------------------------------------|
| &C, &F, &G, &M, &R, &T, &V, &W, &X, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| %A, %C, %E, %Q |
|------------------------------------------------------------|
| \A, \B, \C, \G, \J, \K, \Q, \T, \X |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9,S10, S11, S12, S14, |
| S16, S18, S21, S22, S23, S25 |
|------------------------------------------------------------|
| S26, S27, S30, S91 |
|------------------------------------------------------------|
| 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; handshake |
| | begins at line speed designated by the %B |
| | command |
|--------------+---------------------------------------------|
| í N1 | Auto-mode detection enabled; handshake |
| | begins at line speed designated by the %B |
| | command and DTE speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| í B1 | Bell 212A at 1200bps |
|--------------+---------------------------------------------|
| B2 | ITU-T V.22 at 75/1200Kbps in originate |
| | mode, 1200/75Kbps in answer mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Asynchronous off-line command mode - modem |
| | autodials first number in directory, then |
| | synchronous connect mode. |
|--------------+---------------------------------------------|
| &Q3 | Asynchronous off-line command mode on low |
| | DTR, synchronous connect mode on high DTR. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &D0 | DTR ignored |
|--------------+---------------------------------------------|
| &D1 | DTR toggle causes online command mode |
|--------------+---------------------------------------------|
| &D2 | DTR toggle causes modem to go on-hook |
|--------------+---------------------------------------------|
| &D3 | Modem reset on DTR toggle |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| 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^ | Data calling tone enabled |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| &K3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| í &K4 | XON/XOFF flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects line type |
|--------------+---------------------------------------------|
| Command | Line Type |
|--------------+---------------------------------------------|
| í &L0 | Switched line (PSTN/Dial-up) |
|--------------+---------------------------------------------|
| &L1 | Leased line |
|--------------+---------------------------------------------|
| &L2 | Power-on leased line |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &P0 | 39/61ms at 10pps (North America) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 10pps (Europe) |
|--------------+---------------------------------------------|
| &P2 | 39/61ms at 20pps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports model ID & firmware ID |
|--------------+---------------------------------------------|
| I5 | Reports country code |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | "Ring" result code disabled. In answer |
| | mode; CONNECT and NO CARRIER disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
EXTENDED AT COMMAND SET
+------------------------------------------------------------+
| CONNECTION SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects maximum modem connection speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %B300 | 300bps |
|--------------+---------------------------------------------|
| %B1200 | 1200bps |
|--------------+---------------------------------------------|
| %B2400 | 2400bps |
|--------------+---------------------------------------------|
| %B4800 | 4800bps |
|--------------+---------------------------------------------|
| %B7200 | 7200bps |
|--------------+---------------------------------------------|
| %B9600 | 9600bps |
|--------------+---------------------------------------------|
| %B12000 | 12.0Kbps |
|--------------+---------------------------------------------|
| í %B14400 | 14.4Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DUMB MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables dumb mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %D0 | Dumb mode disabled |
|--------------+---------------------------------------------|
| %D1 | Dumb mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPUTER BAUD RATE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects computer baud rate options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %N0 | IBM PC DTE baud rates |
|--------------+---------------------------------------------|
| %N1 | NEC PC98 DTE baud rate set 1 |
|--------------+---------------------------------------------|
| %N2 | NEC PC98 DTE baud rate set 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | MNP reliable mode enabled |
|--------------+---------------------------------------------|
| í \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
|--------------+---------------------------------------------|
| \N5 | V.42/Normal mode enabled |
|--------------+---------------------------------------------|
| \N6 | V.42/MNP mode enabled |
|--------------+---------------------------------------------|
| \N7 | MNP/Normal mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | DCE speed displayed. Extended result codes |
| | disabled |
|--------------+---------------------------------------------|
| \V1 | DCE speed; simple reliable mode extended |
| | result codes enabled |
|--------------+---------------------------------------------|
| í \V2 | DCE speed; detailed reliable mode extended |
| | result codes enabled |
|--------------+---------------------------------------------|
| \V3 | DTE speed only |
+------------------------------------------------------------+
S(status) -REGISTERS
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S29=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S15 |
|------------------------------------------------------------|
| Format: | AT [cmds] S15=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls MNP options, break types, DTE rate |
| | adjustments. |
|--------------+---------------------------------------------|
| Note: | Further information is currently |
| | unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S17 |
|------------------------------------------------------------|
| Format: | AT [cmds] S17=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls relaible mode, data compression, |
| | and extended responses |
|--------------+---------------------------------------------|
| Note: | Further information is currently |
| | unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S19 |
|------------------------------------------------------------|
| Format: | AT [cmds] S19=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Determines flow control, echo, XON/XOFF |
| | pass-through |
|--------------+---------------------------------------------|
| Note: | Further information is currently |
| | unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S20 |
|------------------------------------------------------------|
| Format: | AT [cmds] S20=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Sets PC/NEC baud rate options, guard tones |
|--------------+---------------------------------------------|
| Note: | Further information is currently |
| | unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S24 |
|------------------------------------------------------------|
| Format: | AT [cmds] S24=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls make/break ratio, auto retrain, |
| | V.34/VFC, auto mode |
|--------------+---------------------------------------------|
| Note: | Further information is currently |
| | unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format: | AT [cmds] S28=n [cmds] |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Determine DCE rate |
|--------------+---------------------------------------------|
| Note: | Further information is currently |
| | unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLEEP TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S13=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating low-power sleep |
| | mode. |
+------------------------------------------------------------+