HARMONY MULTIMEDIA HM 18022 Card Type Modem (asynchronous) Chip Set TI I/O Options Audio line in, speaker out, microphone, line in, line out Maximum Modem Rate 56.0Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, x2 Fax Modulation Protocol ITU-T V.17, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I Data Bus 16-bit ISA Card Size Half-length, full-height card [Image] CONNECTIONS Function Label Function Label Line in CN1 Speaker out CN4 Line out CN2 Microphone CN5 Audio line in CN3 SERIAL PORT ADDRESS Setting J3/A J3/B J3/C COM1 (3F8h) Closed Closed Closed COM2 (2F8h) Open Closed Closed COM3 (3E8h) Closed Open Closed COM4 (2E8h) Open Open Closed Plug & Play Open Open Open INTERRUPT Setting J4/A J4/B J4/C J4/D J4/E IRQ 2 Closed Open Open Open Open IRQ 3 Open Closed Open Open Open IRQ 4 Open Open Closed Open Open IRQ 5 Open Open Open Closed Open IRQ 7 Open Open Open Open Closed SUPPORTED COMMAND SET Basic AT Commands AT, ‘+++’ A/ A, B, D, E, F, H, M, O, V, X &C, &G, &R, &T, &Z S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25 Note: See MHI Help File for full command documentation. Proprietary AT Command Set DISPLAY COMMANDS Type: Configuration Format: AT [cmds] $ [cmds] Description: Display a list of commands Note: The $ command can be used with all prefixes. 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 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 Display result codes only in Originate mode Q3 Display result codes only in Ring mode DEFAULT CONFIGURATION Type: Configuration Format: AT [cmds] Yn [cmds] Description: Set power on/reset default configuration Command Function Y0 Profile 0 Y1 Profile 1 Y2 Generic Template (&F0) Y3 Hardware flow control (&F1) Y4 Software flow control (&F2) SOFT RESET Type: Immediate Format: AT [cmds] Zn [cmds] Description: Restores modem profiles previously saved in non-volatile RAM using the &W command. Command Function Z0 Resets modem to NVRAM profile selected by Y command Z1 Resets modem to NVRAM profile 0 Z2 Resets modem to NVRAM profile 1 Z3 Resets modem to factory default profile 0 Z4 Resets modem to factory default profile 1 Z5 Resets modem to factory default profile 2 MODIFY RESPONSES Type: Configuration Format: AT [cmds] &An [cmds] Description: Selects the modify responses Command Function &A0 ARQ result codes disabled &A1 Append/ARQ to word CONNECT responses when an error-correction connection is made &A2 Append additional V.32 indicator in result codes for calls at or above 4800bps &A3 Append Protocol of call: /LAPM, /MNP or NONE and V.42bis/MNP5 DTE INTERFACE SPEED Type: Configuration Format: AT [cmds] &Bn [cmds] Description: Controls the DTE interface speed Command Function &B0 Serial speed follows connect speed &B1 Serial speed locked &B2 In answer mode, fix serial port speed for ARQ calls and change it for non-ARQ calls 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 Command Function &D0 Modem does not respond to DTR &D1 Modem goes to command mode after DTR goes is off &D2 Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled. 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: X1 &A1, &B0, &I0, &R1 &F1 Restore factory profile 1 (hardware flow control) &F2 Restore factory profile 2 (software flow control) FLOW CONTROL Type: Configuration Format: AT [cmds] &Hn [cmds] Description: Sets the flow control Command Function &H0 Flow control disabled &H1 Hardware flow control enabled &H2 Software flow control enabled &H3 Hardware and software flow control enabled XON/XOFF FLOW CONTROL Type: Configuration Format: AT [cmds] &In [cmds] Description: Sets the XON/XOFF flow control pass through Command Function &I0 XON/XOFF flow control disabled &I1 XON/XOFF signals processed to modem and remote system &I2 XON/XOFF signals processed to modem only DATA COMPRESSION Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Controls the V.42bis and MNP Class 5 data compression Command Function &K0 Data compression disabled &K1 Data compression enabled if the DTE data rate is higher than the link rate and the remote DCE either supports MNP 5 of V.42bis &K2 Data compression enabled &K3 V.42bis data compression only OPERATING MODE Type: Configuration Format: AT [cmds] &Mn [cmds] Description: Selects operating mode Command Mode &M0 Normal mode &M4 Auto-reliable mode &M5 MNP reliable mode DCE LINK RATE Type: Configuration Format: AT [cmds] &Nn [cmds] Description: Selects the DCE link rate Command Function &N0 Variable rate &N1 Attempt at 300bps connection &N2 Attempt at 1200bps connection &N3 Attempt at 2400bps connection &N4 Attempt at 4800bps connection &N5 Attempt at 7200bps connection &N6 Attempt at 9600bps connection &N7 Attempt at 12000bps connection &N8 Attempt at 14400bps connection &N9 Attempt at 16800bps connection &N10 Attempt at 19200bps connection &N11 Attempt at 21600bps connection &N12 Attempt at 24000bps connection &N13 Attempt at 26400bps connection &N14 Attempt at 28800bps connection &N15 Attempt at 31200bps connection &N16 Attempt at 33600bps connection &N17 Attempt at 32000bps connection &N18 Attempt at 36000bps connection &N19 Attempt at 40000bps connection &N20 Attempt at 44000bps connection &N21 Attempt at 48000bps connection &N22 Attempt at 49333bps connection &N23 Attempt at 50666bps connection &N24 Attempt at 52000bps connection PULSE RATIO Type: Configuration Format: AT [cmds] &Pn [cmds] Description: Selects the pulse make/break ratio Command Mode &P0 39/61ms at 10pps (North America) &P1 33/67ms at 10pps (Europe) 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 handshaking or connected DCE LINK FLOOR Type: Immediate Format: AT [cmds] &Un Description: Selects the DCE link rate floor Command Function &U0 Disable &U1 300bps &U2 1200bps &U3 2400bps &U4 4800bps &U5 7200bps &U6 9600bps &U7 12000bps &U8 14400bps &U9 16800bps &U10 19200bps &U11 21600bps &U12 24000bps &U13 26400bps &U14 28800bps &U15 31200bps &U16 33600bps &U17 32000bps &U18 36000bps &U19 40000bps &U20 44000bps &U21 48000bps &U22 49333bps &U23 50666bps &U24 52000bps STORE ACTIVE PROFILE Type: Configuration Format: AT [cmds] &Wn [cmds] Description: Writes the values for the active profile into the non-volatile RAM Command Function &W0 Write the S-register values to profile 0 &W1 Write the S-register values to profile 1 BREAK HANDLING Type: Configuration Format: AT [cmds] &Yn [cmds] Description: Controls the break handling Command Function &Y0 Destructive break &Y1 Expedited destructive option &Y2 Expedited non-destructive option S(status) -REGISTERS INACTIVITY TIME Type: Register Format AT [cmds] S19n [cmds] Default: 0 Range: 0-255 Unit: 1 second Description: Sets the maximum duration for inactivity timer BIT-MAPPED REGISTER S21 Format AT [cmds] S21=n [cmds] Default: 10 Range: 0-255 Unit: .01 second Description: Sets the break length character FLOW CONTROL CHARACTER – XON Type: Register Format: AT [cmds] S22=n [cmds] Default: 19 Range: 0-127 Unit: ASCII Description: Sets the character used to represent XON FLOW CONTROL CHARACTER - XOFF Type: Register Format: AT [cmds] S23=n [cmds] Default: 19 Range: 0-127 Unit: ASCII Description: Sets the character used to represent XOFF