Multitech MT5600SMI-32 Developer's Manual

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[Page 1] Multitech MT5600SMI-32

SocketModem Ô Embedded Modem MT5600SMI Family MT5600SMI-32 MT5600SMI-L32 MT5600SMI-P32 MT5600SMI-34 MT5600SMI-L34 MT5600SMI-XL34 MT5600SMI-P34 MT5600SMI-PL34 MT5600SMI-92 MT5600SMI-L92 MT5600SMI-XL92 MT5600SMI-P92 MT5600SMI-PL92 Developer’s Guide ...

[Page 2] Multitech MT5600SMI-32

Copyright and Technical Support Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 2 SocketModemÔ Developer's Guide MT5600SMI (MT5600SMI-32, MT5600SMI-L32, MT5600SMI-P32, MT5600SMI-34, MT5600SMI-L34, MT5600SMI-XL34, MT5600SMI-...

[Page 3] Multitech MT5600SMI-32

Table of Contents Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 3 Contents Chapter 1 – Product Description and Specifications................................................................................ 5 Introduction.........

[Page 4] Multitech MT5600SMI-32

Table of Contents Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 4 Compatibility Commands..................................................................................................................... 70 FastConnect Command...

[Page 5] Multitech MT5600SMI-32

Chapter 1 – Product Description and Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 5 Chapter 1 – Product Description and Specifications Introduction The Multi-Tech SocketModem creates communication-ready device...

[Page 6] Multitech MT5600SMI-32

Chapter 1 – Product Description and Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 6 Developer's Kit A Developer's Kit is available. The serial kit allows you to plug in the SocketModem and use it as a ...

[Page 7] Multitech MT5600SMI-32

Chapter 1 – Product Description and Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 7 Technical Specifications The SocketModem meets the following specifications: Data Format Serial or parallel interface Data V.92...

[Page 8] Multitech MT5600SMI-32

Chapter 2 – Mechanical Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 8 Chapter 2 – Mechanical Specifications Physical Dimensions Figure 2–1. Maximum Component Height ...

[Page 9] Multitech MT5600SMI-32

Chapter 2 – Mechanical Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 9 Serial Pin Configurations The serial interface use an 16-pin interface to provide an on-board DAA with tip and ring connections, audio circu...

[Page 10] Multitech MT5600SMI-32

Chapter 2 – Mechanical Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 10 Pin # Signal Name I/O Type Description 31 DTRIND DTR LED. Output from 74AC05 with 1500 Ohms pull-up. 32 TXIND TX LED. Output from 74AC05 wi...

[Page 11] Multitech MT5600SMI-32

Chapter 2 – Mechanical Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 11 Parallel Pin Configurations The parallel interface SocketModem uses a 22-pin interface to provide an on-board DAA with tip and ring connect...

[Page 12] Multitech MT5600SMI-32

Chapter 2 – Mechanical Specifications Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 12 Pin # Signal Name I/O Description 32 –WT I Host Bus Write. When low, allows host to write to SocketModem. 33 –RD I Host Bus Read. Wh...

[Page 13] Multitech MT5600SMI-32

Chapter 3 – Electrical Characteristics Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 13 Chapter 3 – Electrical Characteristics Handling Precautions All electronic devices should be handled with certain precautions to avoid d...

[Page 14] Multitech MT5600SMI-32

Chapter 3 – Electrical Characteristics Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 14 5V Serial SocketModem 5 Vdc Characteristics (TA = 0 °C to 50 °C; VDD = 5 V ± 0.25 V) VDDMAX = 5.25 V Digital Inputs –DTR (40), �...

[Page 15] Multitech MT5600SMI-32

Chapter 3 – Electrical Characteristics Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 15 Current and Power Requirements Mode Typ. Current (mA) Max. Current (mA) Typ. Power (mW) Max. Power (mW) +3.3 V Configuration (VDD = +3.3 V...

[Page 16] Multitech MT5600SMI-32

Chapter 3 – Electrical Characteristics Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 16 Parallel Host Bus Timing Parallel Host Bus Timing Table Symbol Parameter Min Max Units READ (See Notes) t AS Address Setup 5 - ns t AH Add...

[Page 17] Multitech MT5600SMI-32

Chapter 3 – Electrical Characteristics Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 17 Parallel Host Bus - Read Parallel Host Bus - Write ...

[Page 18] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 18 Chapter 4 – SocketModem Parallel Interface – A Programmer’s Description SocketModem Parallel...

[Page 19] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 19 Table 4–1. Parallel Interface Registers BIT No. Register No. Register Name 7 6 5 4 3 2 1 0 7 Scr...

[Page 20] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 20 Register Signal Definitions IER – Interrupt Enable Register (Addr = 1, DLAB = 0) The IER enables...

[Page 21] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 21 FCR – FIFO Control Register (Addr = 2, Write Only) The FCR is a write-only register used to enab...

[Page 22] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 22 IIR – Interrupt Identifier Register (Addr = 2) The Interrupt Identifier Register (IIR) identifie...

[Page 23] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 23 LCR – Line Control Register (Addr = 3) The Line Control Register (LCR) specifies the format of t...

[Page 24] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 24 MCR – Modem Control Register (Addr = 4) The Modem Control Register (MCR) controls the interface ...

[Page 25] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 25 LSR – Line Status Register (Addr = 5) This 8-bit register provides status information to the hos...

[Page 26] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 26 MSR – Modem Status Register (Addr = 6) The Modem Status Register (MSR) reports current state and...

[Page 27] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 27 SCR – Scratch Register (Addr = 7) The Scratchpad Register is a read-write register at location 7...

[Page 28] Multitech MT5600SMI-32

Chapter 4 – SocketModem Parallel Interface – A Programmer's Description Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 28 Receiver FIFO Interrupt Operation Receiver Data Available Interrupt When the FIFO mode is enabled ...

[Page 29] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 29 Chapter 5 – AT Commands, S- Registers, and Result Codes Introduction The AT commands are used to control the operation o...

[Page 30] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 30 Data Commands The modem will respond to the commands detailed below. Parameters applicable to each command are listed with...

[Page 31] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 31 Command: \N Operating Mode - Error Correction Description: Controls the preferred error-correcting mode to be negotiated i...

[Page 32] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 32 Command +GMM Request Model Identification Description: Causes the modem to report the modem product. Typical Response: +GM...

[Page 33] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 33 Command: &T Local Analog Loopback Test Description: The modem will perform the local analog loopback test if &T1 i...

[Page 34] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 34 Command %8 Plug and Play Vendor ID and Product Number Description: Sets and stores Vendor ID and product number for serial...

[Page 35] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 35 7. After the FLM has been loaded, if uploading new firmware to the modem, perform an XMODEM upload of the new modem firmw...

[Page 36] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 36 DTE-Modem Interface Commands The parameters defined in this section control the operation of the interface between the DTE...

[Page 37] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 37 Command: X Extended Result Codes Description: Selects the subset of the result code messages used by the modem to inform t...

[Page 38] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 38 Command: &C RLSD (DCD) Option Description: The modem controls the RLSD output in accordance with the parameter supplie...

[Page 39] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 39 Command: &R RTS/CTS Option Description: This selects how the modem controls CTS. CTS operation is modified if hardware...

[Page 40] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 40 Command: +IFC DTE-Modem Local Flow Control Description: This extended-format compound parameter controls the operation of...

[Page 41] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 41 Call Control Commands Command: D Dial Description: Directs the modem to go on-line, dial according to the string entered a...

[Page 42] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 42 of silence before the expiration of the call abort timer (S7), the modem will terminate the call attempt with a NO ANSWER ...

[Page 43] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 43 Command: A Answer Description: The modem will go off-hook and attempt to answer an incoming call if correct conditions are...

[Page 44] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 44 Command: L Speaker Volume Description: Sets the speaker volume control. The parameter value, if valid, is written to S22 b...

[Page 45] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 45 Command: &V Display Current Configuration and Stored Profiles Description: Reports the current (active) configuration,...

[Page 46] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 46 Command: &V1 Display Last Connection Statistics Description: Displays the last connection statistics in the following...

[Page 47] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 47 Command: \V Single Line Connect Message Enable Description: Enables or disables the single-line connect message format as ...

[Page 48] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 48 Command: –STE= Set Telephony Extension Description: Enables/disables Line-In-Use, Extension Pickup, and Remote Hangup de...

[Page 49] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 49 Case 2: Telephone Line is in Use but Disconnected If an ATDT, ATDP or ATDL is issued while Line-In-Use detection is enable...

[Page 50] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 50 An extension is off-hook but there is silence on the line and the modem tries to dial AT-STE=3 ATDT555-1212 Modem goes off...

[Page 51] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 51 Modulation Control Commands Command: +MS Modulation Selection Description: This extended-format compound parameter control...

[Page 52] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 52 <min_tx_rate> and <max_tx_rate> Numeric values which specify the lowest (<min_tx_rate>) and highest (<...

[Page 53] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 53 Command: +MR Modulation Reporting Control Description: This extended-format numeric parameter controls whether or not the ...

[Page 54] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 54 Command: %U Select µ-Law or A-Law Codec Type Description: Selects µ-Law or A-Law codec type for V.90 and 56K modulation....

[Page 55] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 55 Error Control Commands Command: +ES Error Control and Synchronous Mode Selection Description: This extended-format command...

[Page 56] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 56 +ES=6,,8 Enable V.80 Synchronous Access Mode. +ES=3 Enable V.42 with Detection Phase originator. Disable V.80 Synchronou...

[Page 57] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 57 Command: +ER Error Control Reporting Description: This extended-format numeric parameter controls whether or not the inter...

[Page 58] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 58 Command: \B Transmit Break to Remote Description: In non-error correction mode, the modem will transmit a break signal to ...

[Page 59] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 59 Command: -K MNP Extended Services Description: Enables or disables conversion of a V.42 LAPM connection to an MNP 10 conne...

[Page 60] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 60 Data Compression Commands This section contains parameters to condition modem use of standard ITU-T V.42bis Data Compressi...

[Page 61] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 61 <max_codewords_tx> Decimal number 256 to 2048 that specifies the maximum number of codewords which should be negotia...

[Page 62] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 62 The format of this result code is: Defined Values: <type> An alphanumeric code corresponding to the selected option...

[Page 63] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 63 V.8/V.8bis Commands Command: +A8E V.8 and V.8bis Operation Controls Description: This command is defined for two condition...

[Page 64] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 64 Command: +A8I: CI Signal Indication Description: This indication is issued by an answering modem, if +A8E,<v8a> .0, ...

[Page 65] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 65 Diagnostic Commands Command: #UD Last Call Status Report Description: #UD is an action command requesting logged operation...

[Page 66] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 66 Unless otherwise noted, all values are hexadecimal numbers. Any numeric values from tables in ITU V.58 are converted to he...

[Page 67] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 67 55 0-FFFF Received characters lost (data overrun errors to DTE) 56 0-FFFFFFFF Transmit I- Frame count, if error contro...

[Page 68] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 68 Table 5-10. errorControl Active from 3.5.2/V.58 Value Description 0 Disable/none 1 V.42 LAPM 2 V.42 Alternative protocol ...

[Page 69] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 69 Example Modem Response and Usage Example #UD commend response are shown in Table 5-13. Table 5-13. Completed Data Call, wi...

[Page 70] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 70 Compatibility Commands Command: &L Leased Line Operation Description: Requests leased line or dial-up operation. This ...

[Page 71] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 71 FastConnect Commands Command: $F FastConnect Control Description: Allows configuring of the client modem to connect to a c...

[Page 72] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 72 Command: +PMHR Initiate Modem-on-Hold Description: Requests the modem to initiate or to confirm a modem-on-hold procedure....

[Page 73] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 73 Command: +PIG PCM Upstream Ignore Description: Controls the selection of PCM upstream in the modem. The actual state of PC...

[Page 74] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 74 Command: +PSS Use Short Sequence Description: Causes a calling modem to force either a V.92 short or full startup sequence...

[Page 75] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 75 S-Registers Certain modem values, or parameters, are stored in memory locations called S-registers. Use the S command to r...

[Page 76] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 76 Register Unit Range Default Description S9 0.1 s 1–255 6 Carrier Detect Response Time: Supported for backward compatibil...

[Page 77] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 77 Register Unit Range Default Description S21 52 (34h) V.24/General Bit-Mapped Options Status: Indicates the status of comma...

[Page 78] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 78 Register Unit Range Default Description S27 73 (49Ah) General Bit-Mapped Options Status: Indicates the status of command o...

[Page 79] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 79 Register Unit Range Default Description S36 7 LAPM Failure Control: This value indicates what should happen upon a LAPM fa...

[Page 80] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 80 Register Unit Range Default Description S41 195 (C3h) General Bit-Mapped Options Status. Indicates the status of command o...

[Page 81] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 81 Register Unit Range Default Description S86 0–26 21 Call Failure Indication. When the modem issues a NO CARRIER result c...

[Page 82] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 82 Register Unit Range Default Description S210 0–255 13 (0Dh) V.34 Symbol Rate. The bits in this parameter control V.34 sy...

[Page 83] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 83 Result Codes In command mode your modem can send responses called result codes to your computer. Result codes are used by ...

[Page 84] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 84 Short Form Long Form 77 +ER: L APM 78 +MRR: 31200 79 +MRR: 33600 80 +ER: A LT 81 +ER: A LT-CELLULAR 83 LINE-IN-USE 84 CONN...

[Page 85] Multitech MT5600SMI-32

Chapter 5 – AT Commands, S-Registers, and Result Codes Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 85 Short Form Long Form 196 +MRR: 29333 197 +MRR: 30667 198 +MRR: 33333 199 +MRR: 34667 200 +MRR: 37333 201 +MRR: 38667 202 +...

[Page 86] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 86 Chapter 6 – Fax Class 1 and Class 1.0 Commands Fax I/O Processing The fax I/O interface supports asynchronous serial and paralle...

[Page 87] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 87 Fax Mode Selection Fax Class 1 and Fax Class 1.0 commands are identified in Table 6-1. Fax Class 1.0 includes all Fax Class 1 comm...

[Page 88] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 88 <DLE><ETX> is ignored by the modem until the modem generates either the CONNECT, OK, or ERROR result code. If no more ...

[Page 89] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 89 generates OK result code, and returns to command mode. If the modem detects a DTR drop while &D3 is in effect, the modem perfo...

[Page 90] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 90 Commands and Parameters Mode Entry Commands +FCLASS=1 Select Facsimile Class 1 Mode +FCLASS=1 selects the Fax Class 1 Mode. The Fa...

[Page 91] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 91 Command: +FRS Receive Silence Description: This command causes the modem to listen and report an OK result code when silence has b...

[Page 92] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 92 Reporting Current or Selected Values: Command: +FTM? Response: +FTM: <mod> Example: +FTM: 98 For V.17 9600 bps. Reporting Su...

[Page 93] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 93 Command: +FRH Receive Data with HDLC Framing Description: This command causes the modem to receive frames using HDLC protocol and ...

[Page 94] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 94 Service Class 1 Commands Command: +FAR Adaptive Reception Control Description: If Adaptive Reception is enabled, the modem adaptiv...

[Page 95] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 95 Command: +FDD Double Escape Character Replacement Description: This parameter conditions the use of the ˜DLE˜˜˜SUB˜ pair to e...

[Page 96] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 96 Command: +FPR Fixed DTE Rate Description: This numeric extended-format parameter specifies the data rate at which the modem will a...

[Page 97] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 97 Command: +FLO Flow Control Description: This parameter allows the DTE to identify and select the type of flow control used. Syntax...

[Page 98] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 98 Examples Examples of calling (transmitting) and answering (receiving) one page using Fax Class 1 commands are shown in Table 6-4 a...

[Page 99] Multitech MT5600SMI-32

Chapter 6 – Fax Class 1 and Class 1.0 Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 99 Table 6-5. Fax Class 1 Answering Sequence (Receiving a Single Page) DTE Commands Modem Responses Local Modem Action Remote Station...

[Page 100] Multitech MT5600SMI-32

Chapter 7 – Voice Commands Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 100 Chapter 7 – Voice Commands Voice Commands Overview Voice commands are identified in Table 7-1. Table 7-1. Voice Commands Command Function Configura...