CARDINAL TECHNOLOGIES, INC. CONNECTA 33.6K INTERNAL FAX MODEM (2420) Card Type Modem (synchronous/asynchronous) Chip Set TI Maximum Modem Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Bell 103A/212A, ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I Data Bus 8-bit ISA Card Size Half-length, half-height card [Image] CONNECTIONS Function Label Function Label Line in CN1 Line out CN2 PLUG & PLAY SELECTION Setting JP1 JP2 JP3 JP4 JP5 JP6 JP7 JP8 Plug & Open Open Open Open Open Open Open Open Play SERIAL PORT ADDRESS Setting JP1 JP2 JP3 COM1 (3F8h) Closed Closed Closed COM2 (2F8h) Open Closed Closed COM3 (3E8h) Closed Open Closed COM4 (2E8h) Open Open Closed INTERRUPT Setting JP4 JP5 JP6 JP7 JP8 2 Closed Open Open Open Open 3 Open Closed Open Open Open 4 Open Open Closed Open Open 5 Open Open Open Closed Open 7 Open Open Open Open Closed MISCELLANEOUS TECHNICAL NOTES Note: The modem can be upgraded to 56Kbps via Flash ROM from Cardinal Technologies, Inc. SUPPORTED COMMAND SET Basic AT Commands AT, +++, A/ A, B, E, F, H, M, O, P, T, V, X &G, &T, &W, &Z S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38 Note: See MHI Help File for full command documentation. PROPRIETARY AT COMMAND SET ADDITIONAL RESULT CODES Type: Configuration Format: AT [cmds] &An [cmds] Description: Enables or disables additional result code subsets Command Function &A0 ARQ result codes disabled &A1 ARQ result codes enabled &A2 V.32 modulation indicator added &A3 Protocol indicators added BREAK HANDLING Type: Configuration Format: AT [cmds] &Yn [cmds] Description: Sets destructive/nondestructive break handling Command Function &Y0 Destructive break not sent &Y1 Expedited, destructive break sent &Y2 Expedited, non-destructive break sent 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 CONNECTION SPEED LOWER LIMIT Type: Configuration Format: AT [cmds] &Un [cmds] Description: Sets slowest allowed connection speed if &N is set to 1 or higher. Command Function &U0 No minimum connect speed. &U1 Set minimum connect speed to 300bps. &U2 Set minimum connect speed to 1200bps. &U3 Set minimum connect speed to 2400bps. &U4 Set minimum connect speed to 4800bps. &U5 Set minimum connect speed to 7200bps. &U6 Set minimum connect speed to 9600bps. &U7 Set minimum connect speed to 12Kbps. &U8 Set minimum connect speed to 14.4Kbps. &U9 Set minimum connect speed to 16.8Kbps. &U10 Set minimum connect speed to 19.2Kbps. &U11 Set minimum connect speed to 21.6Kbps. &U12 Set minimum connect speed to 24Kbps. &U13 Set minimum connect speed to 26.4Kbps. &U14 Set minimum connect speed to 28.8Kbps. &U15 Set minimum connect speed to 31.2Kbps. &U16 Set minimum connect speed to 33.6Kbps. CONNECTION SPEED UPPER LIMIT Type: Configuration Format: AT [cmds] &Nn [cmds] Description: Sets required connection speed if &U is set to 0; otherwise, sets fastest allowed connection speed. Command Function &N0 No maximum connect speed. &N1 Fixed link rate of 300bps. &N2 Fixed link rate of 1200bps. &N3 Fixed link rate of 2400bps. &N4 Fixed link rate of 4800bps. &N5 Fixed link rate of 7200bps. &N6 Fixed link rate of 9600bps. &N7 Fixed link rate of 12Kbps. &N8 Fixed link rate of 14.4Kbps. &N9 Fixed link rate of 16.8Kbps. &N10 Fixed link rate of 19.2Kbps. &N11 Fixed link rate of 21.6Kbps. &N12 Fixed link rate of 24Kbps. &N13 Fixed link rate of 26.4Kbps. &N14 Fixed link rate of 28.8Kbps. &N15 Fixed link rate of 31.2Kbps. &N16 Fixed link rate of 33.6Kbps. DATA CARRIER DETECT (DCD) Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Selects whether the DCD option is enabled or disabled Command Function &C0 DCD override enabled &C1 DCD enabled after carrier signal detected DATA TERMINAL READY (DTR) Type: Configuration Format: AT [cmds] &Dn [cmds] Description: Selects modem response to DTR Command Function &D0 DTR override &D1 DTR toggle causes online command mode &D2 Normal DTR operations &D3 Resets on receipt of DTR 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 DL Re-dial last number 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"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 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/ Delays 125 ms. Before proceeding with dial string D^ Calling tone enable/disable for current call only D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. D& Waiting for AT&T "bong" tone DISCONNECT Type: Configuration Format: AT [cmds] Yn [cmds] Description: Commands disconnection configuration Command Function Y0 Profile 0 in NVRAM Y1 Profile 1 in NVRAM ERROR CONTROL Type: Configuration Format: AT [cmds] &Mn [cmds] Description: Sets error control for connections at 1200bps and higher Command Mode &M0 Error control disabled &M1 Automatic selection of error control and non-error control &M2 Enable error control link &M3 Speaker on until modem connects &M4 Normal/ARQ mode. &M5 ARQ mode 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 Standard factory configuration &F1 Factory configuration1; hardware flow control template &F2 Factory configuration 2; software flow control template FLOW CONTROL Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Enables/disables flow control Command Line Type &K0 Flow control disabled &K1 Hardware, RTS/CTS flow control enabled &K2 Software, XON/XOFF flow control enabled &K3 Transparent software, XON/XOFF flow control enabled HELP Type: Immediate Format: n$ Description: Displays help for commands. Command Function $ Display help screen for single letter AT commands &$ Display help screen for extended commands D$ Display help screen for dial commands S$ Display help screen for S-registers PULSE DIALING RATIO Type: Configuration Format: AT [cmds] &Pn [cmds] Description: Selects pulse dial make/break ratio Command Function &P0 39/61ms at 10pps (North America) &P1 33/67ms at 10pps (Europe) RECEIVE DATA FLOW CONTROL Type: Configuration Format: AT [cmds] &In [cmds] Description: Enables RD flow control options Command Function &I0 Software flow control disabled &I1 XON/XOFF signals passed through local modem &I2 XON/XOFF signals trapped by local modem REPEAT PREVIOUS COMMAND Type: Immediate Format: A> Description: Repeats previous command continuously. REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports four digit product code I1 Reports firmware checksum I2 Reports RAM checksum I3 Reports ID string I4 Reports current modem settings I5 Reports NVRAM settings I6 Reports data connection information I7 Reports manufacturer and model information 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 Result code sending only in originate mode RTS Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Selects RTS/CTS options Command Function &R0 Reserved &R1 RTS ignored &R2 Received data to computer only on RTS SERIAL PORT RATE Type: Configuration Format: AT [cmds] &Bn [cmds] Description: Manages the serial port rate Command Function &B0 Serial speed follows connect speed &B1 Serial speed locked &B2 Fixed in ARQ mode, variable in non-ARQ mode 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 Restore setting to profile selected by ATY command Z1 Restore setting NVRAM profile 0 Z2 Restore setting NVRAM profile 1 Z3 Restores setting to factory default profile 0 Z4 Restores setting to factory default profile 1 Z5 Restores setting to factory default profile 2 TRANSMIT DATA FLOW CONTROL Type: Configuration Format: AT [cmds] &Hn [cmds] Description: Enables TD flow control options Command Function &H0 Flow control disabled &H1 CTS hardware flow control enabled &H2 Software flow control enabled &H3 Hardware and software flow control enabled S(STATUS) -REGISTERS BIT-MAPPED REGISTER S13 Format: AT [cmds] S13=n [cmds] Range: 0-174 Unit: Bit-mapped Description: Controls reset, dial mode Bit Value Function 0 0 Unidentified 1 Resets when DTR drops 1 0 Unidentified 1 Resets non-MNP transmit buffer from 1.5K to 128bytes 2 0 Unidentified 1 Sets backspace key to delete 3 0 Unidentified 1 On DTR signal, auto dials number stared at NVRAM position 0 4 0 Unidentified 1 At power on/reset, auto dials number stared at NVRAM position 0 5 0 Enables V.32bis ASL mode 1 Disables V.31bis ASL mode 6 0 Enables quick retrains 1 Disables quick retrains 7 0 1 Unidentified Disconnect on escape code BIT-MAPPED REGISTER S15 Format: AT [cmds] S15=n [cmds] Unit: Bit-mapped Description: Disable/Enable MNP Bit Value Function 0 0 Enable ARQ/MNP for V.22 1 Disable ARQ/MNP for V.22 1 0 Enable ARQ/MNP for V.22bis 1 Disable ARQ/MNP for V.22bis 2 0 Enable ARQ/MNP for V.32/V.32bis/V.32terbo 1 Enable ARQ/MNP for V.32/V.32bis/V.32terbo 3 0 Enable MNP handshake 1 Disable MNP handshake 4 0 Enable MNP level 4 1 Disable MNP level 4 5 0 Enable MNP level 3 1 Disable MNP level 3 6 0 MNP compatibility 1 MNP incompatibility 7 0 1 Enable V.42 operation Disable V.42 operation TEST MODES Type: Register Format: AT [cmds] S16=n [cmds] Unit: Bit-mapped Description: Controls touch tone dialing test. Bit Value Function 0 0 Reserved 1 0 Touch tone dialing test not in progress 1 Touch tone dialing test in progress 2 0 Test pattern generation not in progress 1 Test pattern generation in progress 3-7 0 Reserved INACTIVITY TIMER Type: Register Format AT [cmds] S19=n [cmds] Unit: 10 seconds Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. Note: S19=0 disables the timer and allows indefinite inactivity. BREAK LENGTH Type: Register Format AT [cmds] S21=n [cmds] Unit: 10ms Description: Sets duration of breaks sent from the modem to the computer Note: Applies to MNP or V.42 mode only. FLOW CONTROL CHARACTER - XON Type: Register Format: AT [cmds] S22=n [cmds] Range: 0-255 Unit: ASCII Description: Sets the character used to represent XON FLOW CONTROL CHARACTER - XOFF Type: Register Format: AT [cmds] S23=n [cmds] Range: 0-255 Unit: ASCII Description: Sets the character used to represent XOFF BIT-MAPPED REGISTER S27 Format AT [cmds] S27=n [cmds] Range: 0-255 Unit: Bit-mapped Description: Enables/disables modulation protocols Bit Value Function 0 0 Disable ITU-T modulation at 300bps for overseas calls: in V.21 mode, the modem answers both 1 overseas and domestic calls, but only originates V.21 calls Enable ITU-T modulation at 300bps for overseas calls: in V.21 mode, the modem answers both overseas and domestic calls, but only originates V.21 calls 1 0 Disable unencoded modulation in V.32 mode 1 Enable unencoded modulation in V.32 mode 2 0 Enable V.32 modulation 1 Disable V.32 modulation 3 0 Enable 2100Hz answer tone 1 Disable 2100Hz answer tone 4 0 Disable V.23 fallback mode 1 Enable V.23 fallback mode 5 0 Enable V.32bis mode 1 Disable V.32bis mode 6 0 Reserved 7 0 1 Enable codes Disable codes and enters software compatibility mode CONNECTION TIME Type: Register Format AT [cmds] S28=n [cmds] Unit: .1 second Description: Sets V.32 duration Command Function S28=0 Eliminates the V.32 answer tone for a faster connection S28=8 Times are in .1 second S28=255 Disable connections except V.32 at 9600bps FALLBACK TIMER Type: Register Format AT [cmds] S29=n [cmds] Range: 0-255 Unit: .01 second Description: Sets the duration of the V.21 answer mode fallback timer BIT-MAPPED REGISTER S32 Format: AT [cmds] S32=n [cmds] Range: 0-255 Description: Select setup for 28.8 and higher speed modems Bit Value Function 0 0 Disable V.8 call indicate 1 Enable V.8 call indicate 1 0 Disable V.8 mode 1 Enable V.8 mode 2 0 Enable V.FC modulation 1 Disable V.FC modulation 3 0 Enable V.34 modulation 1 Disable V.34 modulation 4 0 Enable V.34+ modulation 1 Disable V.34+ modulation 5-7 0 Reserved BIT-MAPPED REGISTER S33 Format: AT [cmds] S33=n [cmds] Range: 0-255 Description: Disable/enable data rates Bit Value Function 0 0 Enable 2400 symbol rate 1 Disable 2400 symbol rate 1 0 Enable 2743 symbol rate 1 Disable 2743 symbol rate 2 0 Enable 2800 symbol rate 1 Disable 2800 symbol rate 3 0 Enable 3000 symbol rate 1 Disable 3000 symbol rate 4 0 Enable 3200 symbol rate 1 Disable 3200 symbol rate 5 0 Enable 3429 symbol rate 1 Disable 3429 symbol rate 6 0 Reserved 7 0 Enable shaping 1 Disable shaping BIT-MAPPED REGISTER S34 Format: AT [cmds] S34=n [cmds] Range: 0-255 Description: Disable/enable trellis encoding Bit Value Function 0 0 Enable 8S-2D trellis encoding 1 Disable 8S-2D trellis encoding 1 0 Enable 16S-4D trellis encoding 1 Disable 16S-4D trellis encoding 2 0 Enable 32S-2D trellis encoding 1 Disable 32S-2D trellis encoding 3 0 Enable 64S-4D trellis encoding 1 Disable 64S-4D trellis encoding 4 0 Reserved 5 0 Enable TX level deviation 1 Disable TX level deviation 6 0 Enable pre-emphasis 1 Disable pre-emphasis 7 0 Enable pre-coding 1 Disable pre-coding BIT-MAPPED REGISTER S41 Format: AT [cmds] S41=n [cmds] Range: 0-255 Description: Enable/disable distinctive ring Bit Value Function 0 0 Disable distinctive ring 1 Enable distinctive ring 1-7 0 Reserved