PHILIPS CONSUMER ELECTRONICS, CO. PCA21EM Card Type Fax, Modem (synchronous/asynchronous) Chip Set Unidentified Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus External Fax Class Class I & II Data Modulation Protocol Bell 103/212 ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.32terbo, V.34 Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Function Label Function Label Line in CN1 RS-232/422 CN3 Line out CN2 DC power CN4 DIAGNOSTIC LED(S) LED Color Status Condition MR Red On Power is on MR Red Off Power is off TR Red On DTR signal is high TR Red Off DTR signal is low SD Red On Modem is transmitting data SD Red Off Modem is not transmitting data RD Red On Modem is receiving data RD Red Off Modem is not receiving data OH Red On Modem is off-hook OH Red Off Modem is on-hook CD Red On Carrier signal detected CD Red Off Carrier signal not detected AA Red On Auto-answer enabled AA Red Off Auto-answer disabled EC Red On Error correction activated EC Red Off Error correction disabled SUPPORTED COMMAND SET Basic AT Commands AT, ‘+++’, ‘Comma’, A/ A, E, M, O, P, S, T, V, X, Y, Z &C, &D, &F, &G, &K, &P, &S, &T, &V, &W, &X, &Y, &Z Extended AT Commands \A, \B, \C, \G, \J, \N, \Q, \V, \X, %A, %C, %E S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S25, S26, S27, 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 automatic detection and negotiation of line speed during the handshake process Command Function N0 Auto-mode disabled, handshake speed designated by AT%B command. N1 Auto-mode enabled, handshake speed designated by AT%B command and DTE speed. AUTO-RELIABLE FALLBACK CHARACTER Type: Register Format: AT [cmds] S29=n [cmds] Default: 0 Range: 0-127 Unit: ASCII Description: Sets the character used as the auto-reliable fallback character; S29=0 will disable this function. BIT MAPPED REGISTERS Register Default S14 137 S15 83 S17 75 S19 3 S20 0 S21 48 S22 246 S23 12 S24 72 S28 16 BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Default: 5 Range: 0-5 Unit: N/A Description: Configures action of break signal BAUD RATE Type: Configuration Format: AT [cmds] %Nn [cmds] Description: Select which type of baud signals will be used Note: For External models only. Command Function %N0 IBM PC DTE baud rate enabled %N1 NEC PC98 DTE baud rate set 1 enabled %N2 NEC PC98 DTE baud rate set 2 enabled COMMAND MODE FROM DUMB/POWER-ON LEASED-LINE MODE Type: Configuration Format: AT*** (within 8 seconds after hard-reset) Description: Returns the modem to command mode from dumb mode or power-on leased-line operation, you must turn the modem off then on again first. Note: To permanently turn off dumb mode or power-on leased-line mode, change the stored profile by issuing one of these strings: for dumb mode, AT%D0&W&W1. For power-on leased-line mode, AT&L0&W&W1 For External models only. COMMUNICATIONS MODE Type: Configuration Format: AT [cmds] &Mn [cmds] Description: Selects communications mode Note: AT&M1-3 is for external models only. Command Mode &M0 Asynchronous mode &M1 Synchronous connect mode and asynchronous off-line command mode. &M2 Synchronous connect mode and asynchronous off-line command mode and set DTR high. &M3 Synchronous connect mode COMMUNICATIONS MODE Type: Configuration Format: AT [cmds] &Qn [cmds] Description: Selects communications mode options Note: AT&Q1-3 is for external models only. Command Mode &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. 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 300 or 1200bps B1 Bell 212A at 300 or 1200bps B2 V.23 at 1200bps while AT%B1200 is set. (Answer mode: TX1200/RX75bps. Originate mode: TX75/RX1200bps.) 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. Modifier Function P Pulse dialing enabled R Answer mode enabled, originate mode disabled following handshake initiation S=n Dial stored telephone number n T Tone dialing enabled W Dialing resumed following dial tone detection , Dialing paused for amount of time specified in S8 register @ Wait for 5 seconds of silence ! Modem commanded to go off-hook for specified time before returning on-hook ; Modem returned to command state after dialing ^ Calling tone enabled for this call DCE LINE SPEED Type: Configuration Format AT [cmds] %Bn [cmds] Description: Sets the maximum allowable data exchange rate after handshake process. Command Function %B300 300bps %B1200 1200bps %B2400 2400bps %B4800 4800bps %B7200 7200bps %B9600 9600bps %B12000 12.0Kbps %B14400 14.4Kbps %B28800 28.8Kbps DUMB MODE Type: Configuration Format: AT [cmds] %Dn [cmds] Description: Controls which mode the modem will operate in Note: For External models only. Command Function %D0 Smart mode enabled %D1 Dumb mode enabled HOOK CONTROL Type: Immediate Format: AT [cmds] Hn [cmds] Description: Selects whether the modem is on-hook or off-hook Command Function H0 Modem commanded to go on-hook (hang-up) H1 Modem commanded to go off-hook (make busy), disabled in Germany. INACTIVITY TIMER Type: Configuration Format: AT [cmds] \Tn [cmds] Default: 0, Denmark 1, France 2 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. LINE SIGNAL QUALITY/ LINE SIGNAL LEVEL Type: Immediate Format: AT [cmds] %Q [cmds] Description: Returns a value which indicates line signal quality (average EQM value) and received line signal level (in -dBm) LINE TYPE Type: Configuration Format: AT [cmds] &Ln [cmds] Description: Selects line type Note: AT&L2 is for external models only. Command Line Type &L0 Switched line (PSTN/Dial-up) &L1 Manual Leased-line mode, issue this command after the modems are connected: AT&L1D originating modem and AT&L1A answering modem. &L2 Power-on (Auto) Leased-line mode, issue this command after the modems are connected and power is turned on: ATS0=0&L2 originating modem and ATS0=1&L2 answering modem. MODULATION SELECTION Type: Configuration Format: AT [cmds] \Mn [cmds] Description: Selects which modulation will be used for a connection Command Function \M0 Both V.34 and V.32terbo modulation enabled \M1 V.34 modulation only enabled \M2 V.32terbo modulation only enabled 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 Q0 Result code sending enabled Q1 Result code sending disabled Q2 ‘RING’ result code disabled; ‘CONNECT’ and ‘NO CARRIER" result codes disabled in answer mode. RTS/CTS Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Selects RTS/CTS options Note: For External models only. Command Function &R0 CTS follows RTS in synchronous mode &R1 CTS forced high in synchronous mode SLEEP TIMER Type: Register Format AT [cmds] S13=n [cmds] Default: 6 Range: 0-255 Unit: 1 second Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. 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