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insys icom i-modul 144/56k Designer's Manual

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i-modul Modem 144/56k
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Summary of Contents for insys icom i-modul 144/56k

  • Page 1 i-modul Modem 144/56k 3.0 basic...
  • Page 3 Copyright © July 12 INSYS MICROELECTRONICS GmbH Any duplication of this manual is prohibited. All rights on this documentation and the devices are with INSYS MICROELECTRONICS GmbH Regensburg. Trademarks The use of a trademark not shown below is not an indication that it is freely avail- able for use.

  • Page 4: Table Of Contents

    Content Technical Data ..................6 Physical Features....................6 Technological Features ..................7 Connections.....................8 PCB Layout......................8 Pin Layout Terminal Strip P1 .................9 Pin Layout Terminal Strip P2 .................9 PIN specifications ....................10 2.4.1 Reset Input ..................... 10 2.4.2 Indication Signals ................... 10 Connection Example for Serial Interface..............11 Function Overview .................12 Meaning of the Symbols and the Formatting in this Manual....13 Operating Principle ................14...
  • Page 5 Contents CE/EMC Compliant Integration ..............57 10.1 Your Application ....................57 10.2 Application Interface / Terminal Strip P1 .............57 10.3 Network Interface / Terminal Strip P2 (for Modem /ISDN)........57 10.4 Antenna Connection (if equipped) ...............58 10.5 Further Recommendations ..................58 10.6 Reference Documents ..................58 Declaration of Conformity ..............59 Tables and Diagrams................60 12.1 List of Tables .......................60...

  • Page 6: Technical Data

    Technical Data i-modul Modem 144/56k Technical Data Physical Features All specified data was measured with nominal input voltage, at full load, and an ambient temperature of 25 °C. The limit value tolerances are subject to the usual variations. Physical Feature Value Operation voltage V +5 V (±...

  • Page 7: Technological Features

    i-modul Modem 144/56k Technical Data Technological Features Technological Feature Description Supported data compression stan- MNP 2/3, MNP 5, V.42 bis; V.44, MNP dards 10, MNP 10 EC Fax class Fax Class 1 Modulation types Bell Norm 103/212, V.32bis, V.32, V.23, V.22, V22 bis, V21, (for 56k version additionally V.34+, V.34, V.90 and V.92) Error correction standards...

  • Page 8: Connections

    Connections i-modul Modem 144/56k Connections PCB Layout Figure 1: PCB layout, terminal strip and fixing hole position Item Type Description SAMTEC TW series 2-row Serial interface, inputs and outputs 2 mm pitch or Fischer SLY 81 24 Z SAMTEC TW series 2-row Phone network interface 2 mm pitch or Plastron PQFZ-06S-VK-024...

  • Page 9: Pin Layout Terminal Strip P1

    i-modul Modem 144/56k Connections Pin Layout Terminal Strip P1 Type Signal Description Ground of supply voltage (ground) Supply 5 V DC supply voltage (or 3,3 V) Ground of supply voltage (ground) Input Terminal transmit signal of RS232 line; TTL level Ground of supply voltage (ground) Output Receive signal of RS232 line;...

  • Page 10: Pin Specifications

    Connections i-modul Modem 144/56k PIN specifications All following specifications are based on a supply voltage of V = 5 V ± 5%. High = ; Low = V (refer to Technical Data). 2.4.1 Reset Input Signal Type Description Reset~ Input Normal state: 1 (internal pull-up resistor) Reset: 0 (against GND) A minimum time of 0.1 s for activation is recommended to trigger the...

  • Page 11: Connection Example For Serial Interface

    i-modul Modem 144/56k Connections Connection Example for Serial Interface The following example is only valid for a power supply with V = 5 V. Figure 3: Connection example of the serial interface (5 V VCC)

  • Page 12: Function Overview

    Function Overview i-modul Modem 144/56k Function Overview The i-modul Modem 144/56k 3.0 basic provides you with the following functions:  Automatic Baud Rate Detection The i-modul Modem 144/56k 3.0 basic will automatically adjust the data transmission rate, if a connection is made via its serial interface. The serial transmission rate can be preset for applications for the serial communication to be able to initialize with a defined baud rate.

  • Page 13: Meaning Of The Symbols And The Formatting In This Manual

    i-modul Modem 144/56k Meaning of the Symbols and the Formatting in this Meaning of the Symbols and the Formatting in this Manual This section describes the definition, formatting and symbols used in this manual. The various symbols are meant to help you read and find the information relevant to you.

  • Page 14: Operating Principle

    Operating Principle i-modul Modem 144/56k Operating Principle This chapter describes the basic procedures to operate and configure an i-modul Modem 144/56k 3.0 basic. In general, the i-modul Modem 144/56k 3.0 basic is configured and operated via AT commands. You can enter these commands yourself with the help of a terminal program and the AT command reference.
  • Page 15 i-modul Modem 144/56k Operating Principle  The i-modul Modem 144/56k 3.0 basic replies with  If the i-modul Modem 144/56k 3.0 basic does not respond, this may have three probable reasons: a) the i-modul Modem 144/56k 3.0 basic is switched off or b) the i-modul Modem 144/56k 3.0 basic is not in configuration mode c) the i-modul Modem 144/56k 3.0 basic is connected to another serial port.

  • Page 16: Functions

    Functions i-modul Modem 144/56k Functions Automatic Baud Rate Detection 6.1.1 Serial Connection The automatic baud rate detection enables a continuous automatic adjustment of all parameters (baud rate, data format) of the serial interface at the i-modul Modem 144/56k 3.0 basic. The device will detect during the operation, which baud rate and which data format is applied to the serial interface.

  • Page 17: Phone Connection

    i-modul Modem 144/56k Functions 6.1.2 Phone connection The automatic negotiation of the baud rate and the modulation standard enables the i-modul Modem 144/56k 3.0 basic to negotiate the largest possible connection speed to the remote terminal while the connection is established. The speed depends on the settings and the abilities of the modem at the remote terminal.

  • Page 18: Bit Direct Mode

    Functions i-modul Modem 144/56k Bit Direct Mode For special applications, the buffering of the i-modul Modem 144/56k 3.0 basic can be deactivated using the setting "unbuffered, bit direct". All data is forwarded without buffering and further influence of the i-modul Modem 144/56k 3.0 basic. This applies especially to the parity and stop bits.

  • Page 19: Software Data Flow Control (Xon/Xoff)

    i-modul Modem 144/56k Functions 6.4.2 Software data flow control (XON/XOFF) When the input buffer of the modem exceeds a certain fill state, the modem will insert an XOFF character into the data stream to the application. This character will cause the application to send no more data. It will depend on the according application software if the XON/XOFF data flow control is supported.

  • Page 20: Error Correction

    Functions i-modul Modem 144/56k Error Correction The i-modul Modem 144/56k 3.0 basic masters the V.42 error correction protocol including the Microcom Networking Protocol Levels 2/3/4 (MNP2, MNP3, MNP4) and the data throughput optimization MNP10. The V.42 error correction includes the protocols LAPM (Link Access Procedure for Modem) and MNP4. LAPM is the preferred error correction.

  • Page 21: Data Compression

    i-modul Modem 144/56k Functions Data Compression The i-modul Modem 144/56k 3.0 basic supports various data compression types. During the connection setup, it will automatically detect the type of data compression used by the remote terminal, or it is set to a certain type of data compression.

  • Page 22: Automatic Dial-Up Delay

    Functions i-modul Modem 144/56k Automatic Dial-Up Delay The standard TBR21 applies to all public phone networks in EC countries (Belgium, Denmark, German, Finland, France, Greece, Great Britain, Ireland, Italy, Luxembourg, Netherlands, Austria, Portugal, Sweden, Spain), as well as in Switzerland, Liechtenstein, Norway and Iceland. According to the regulations of the TBR 21, a dial-up is blocked for 2 hours after 12 unsuccessful dial-up attempts.

  • Page 23: Saving The Configuration

    i-modul Modem 144/56k Functions 6.8.2 Saving the Configuration If the configuration of the i-modul Modem 144/56k 3.0 basic has been adapted to the requirements of the user, it is possible to save the settings in user profile 0 or 1. Changes of the configuration get lost after a RESET or restart, if the have not been saved before.

  • Page 24: Maintenance

    Maintenance i-modul Modem 144/56k Maintenance Firmware Update Note Function loss due to faulty update! The i-modul Modem 144/56k 3.0 basic may loose its function, if it is updated with a wrong firmware or if the transfer of the firmware was faulty. Before updating the firmware of the i-modul Modem 144/56k 3.0 basic, contact the INSYS MICROELECTRONICS support department.
  • Page 25 i-modul Modem 144/56k Maintenance basic is connected. Set the baud rate in the terminal program to 57600 baud. Type in "AT" and confirm with "Enter".  The i-modul Modem 144/56k 3.0 basic replies withOK.  If the i-modul Modem 144/56k 3.0 basic does not respond, check the connection and if the device receives power at all.
  • Page 26 Maintenance i-modul Modem 144/56k Use the terminal program to send the file with the firmware, such as "20B7.S37".  The upload progress is again displayed by dots in the terminal window.  The i-modul Modem 144/56k 3.0 basic indicates after successful upload Device successfully programmed ...

  • Page 27: At Command Reference

    i-modul Modem 144/56k AT Command Reference AT Command Reference Each AT command starts with the letters AT and ends with a carriage return (CR). Both, upper and lower case letters are accepted; however, the leading letters must either be AT or at. The command line will be evaluated as soon as the modem has received a carriage return.

  • Page 28: At Command Overview

    AT Command Reference i-modul Modem 144/56k AT Command Overview Command Description Start of the flash load function AT** Answer mode The i-modul Modem 144/56k 3.0 basic changes to answer mode. It is only effec- tive in Germany, if the telephone connected in series is off-hook or a call comes Repeat the last command The last command entered will be repeated.
  • Page 29 i-modul Modem 144/56k AT Command Reference Command Description DCD (CT109) behaviour AT&C<n> Behaviour of the RS232 DCD output of the i-modul Modem 144/56k 3.0 basic. DCD is always ON AT&C0 DCD follows the carrier signal on the phone line (default) AT&C1 Dialling ATD<n>...
  • Page 30 AT Command Reference i-modul Modem 144/56k Command Description Wait for dialing tone: The i-modul Modem 144/56k 3.0 basic waits ATD<n> for the dialling tone before it starts to dial. If no dialling tone was (Continuation) detected within the period specified in the S6 registry, the i-modul Modem 144/56k 3.0 basic hangs up and an error message is dis- played.
  • Page 31 i-modul Modem 144/56k AT Command Reference Command Description Default: Ringing tone is sent for fax operation. No ringing tone for data op- ATD<n> eration. (Continuation) Are ignored: They are just used as an outline. Are ignored: They are just used as an outline. ‚...
  • Page 32 AT Command Reference i-modul Modem 144/56k Command Description Enable/disable V.44 data compression AT+DS44=<n> Disables V.44 data compression AT+DS44=0 Enables V.44 data compression (default) AT+DS44=3 Command input echo ATE<n> This command toggles the responses, which are created by the i-modul Modem 144/56k 3.0 basic as reaction on application commands (Echo), ON or OFF.
  • Page 33 i-modul Modem 144/56k AT Command Reference Command Description Identification ATI<n> The i-modul Modem 144/56k 3.0 basic sends an identification to the PC, accord- ing to the parameter. Product code ATI0 Previously calculated checksum of the EPROM ATI1 Calculation of the EPROM checksum and comparison with the ATI2 previously calculated checksum stored in the EPROM.
  • Page 34 AT Command Reference i-modul Modem 144/56k Command Description i-modul Modem 144/56k 3.0 basic sends break immediately to AT\K AT\K3 another modem, data buffers are not deleted (Continuation) Like AT\K0 AT\K4 i-modul Modem 144/56k 3.0 basic inserts a break into the data AT\K5 transmitted to the other modem 2.
  • Page 35 i-modul Modem 144/56k AT Command Reference Command Description Displaying level of the received signal AT%L The value indicated by the i-modul Modem 144/56k 3.0 basic corresponds already with the amplified level in the i-modul Modem 144/56k 3.0 basic, not the level on the phone line.
  • Page 36 AT Command Reference i-modul Modem 144/56k Command Description Select modulation type AT+MS=<Modula tion>, [Auto- AT+MS determines the modulation type. The command enables or disables auto- mode], [Send matic modulation recognition and defines the highest and lowest possible con- Minbaud, Send nection speed.
  • Page 37 i-modul Modem 144/56k AT Command Reference Command Description AT+MS=<Modula Parameter Automode tion>, [Auto- The optional parameter automode determines whether the i-modul Modem mode], [Send 144/56k 3.0 basic automatically adjusts to the desired modulation type. The fol- Minbaud, Send lowing values may be used: Maxbaud], [Reception Automatic modulation adjustment disabled...
  • Page 38 AT Command Reference i-modul Modem 144/56k Command Description Switch on pulse dialling method (deactivated for some models) Starting with this command, each dial-up is performed with the pulse dialling method, until an ATT or ATDT command switches it back to tone dialling. Quiet control ATQ<n>...
  • Page 39 i-modul Modem 144/56k AT Command Reference Command Description DSR behaviour AT&S This command determines how the i-modul Modem 144/56k 3.0 basic treats its DSR (CT107) output. DSR always ON (default) AT&S0 DSR ON after a response tone has been detected; AT&S1 DSR OFF when no carrier is detected any more.
  • Page 40 AT Command Reference i-modul Modem 144/56k Command Description Displaying the configurations AT&V<n> The active configuration of the modem, the saved user defaults and AT&V0 the saved phone numbers 0 to 3 (the parameter 0 may be omitted) are displayed. Displays the diagnostic data of the last connection (connection AT&V1 partner, reason for disconnect): TERMINATION REASON: Reason for disconnect.
  • Page 41 i-modul Modem 144/56k AT Command Reference Command Description Rx LEVEL: Displays the receive level (which is internally applied at AT&V<n> the modem chip) in –dBm. High values indicate a low input level; (Continuation) low values indicate a high input level. The optimum receive levels range from approx.
  • Page 42 AT Command Reference i-modul Modem 144/56k Command Description Saving the configurations AT&W<n> The command saves the current modem configuration including the S registry in one of the two user-defined defaults. Save to user default setting 0 AT&W0 Save to user default setting 1 AT&W1 Extended result messages,, dial tone detection ATX<n>...

  • Page 43: At Messages

    i-modul Modem 144/56k AT Command Reference Command Description Software reset ATZ<n> The command causes the i-modul Modem 144/56k 3.0 basic to perform a soft- ware reset. The i-modul Modem 144/56k 3.0 basic loads (depending on parame- ter) the default setting saved by the user. If no parameter is specified, the user default 0 is loaded.
  • Page 44 AT Command Reference i-modul Modem 144/56k Message no. Message text in long form ATX<0> ATX<1> ATX<2> ATX<3> ATX<4> short form CONNECT 14400 CONNECT 19200 CONNECT 38400 CONNECT 57600 CONNECT 115200 CONNECT 230400 CONNECT 75TX/1200RX CONNECT 1200TX/75RX DELAYED BLACKLISTED DATA CARRIER 300 CARRIER 1200/75 CARRIER 75/1200 CARRIER 1200...
  • Page 45 i-modul Modem 144/56k AT Command Reference Message no. Message text in long form ATX<0> ATX<1> ATX<2> ATX<3> ATX<4> short form PROTOCOL: ALT-CELLULAR CONNECT 33600 CONNECT 31200 CARRIER 32000 CARRIER 34000 CARRIER 36000 CARRIER 38000 CARRIER 40000 CARRIER 42000 CARRIER 44000 CARRIER 46000 CARRIER 48000 CARRIER 50000...
  • Page 46 AT Command Reference i-modul Modem 144/56k Message no. Message text in long form ATX<0> ATX<1> ATX<2> ATX<3> ATX<4> short form CARRIER 49333 CARRIER 50667 CARRIER 53333 CARRIER 54667 Table 8: AT responses depending on the ATX command Notes regarding the table: in the column indicates that a message is either sent in long or short form (depending on the ATV command.

  • Page 47: Registry

    i-modul Modem 144/56k S Registry S Registry S registers may be read and written using the ATS<n> command. (Refer also to the AT Command Reference). Certain S registers may only be read; others only allow to enter a particular range of values. If the range of values is exceeded, the modem will report OK, although the value was not accepted.

  • Page 48: Overview S Registry

    S Registry i-modul Modem 144/56k Overview S Registry Register Function Units Range Default Number of ringing tones until automatically going off- Ringing hook tones Ring tone counter Ringing 0-255 tones Escape ASCII 0-255 Return ASCII 0-127 Line feed character ASCII 0-127 Backspace character ASCII...

  • Page 49: Description S Registry

    i-modul Modem 144/56k S Registry Description S Registry Note: Registries marked with *) are stored in the user defaults with the command AT&W. Number of ringing tones until automatically going off-hook Number of rings until the modem goes off-hook For S0=0 the modem will not go off-hook when a call comes in. The value of S0 can be between 0 and 5.
  • Page 50 S Registry i-modul Modem 144/56k Dial tone delay Dial pause time, if a comma is included in the dialling string. If there is a comma in the dialling string, the modem will wait during the dialling procedure, until the time specified in S8 (in seconds) has expired. The value of S8 can be between 1 and 7 seconds.
  • Page 51 i-modul Modem 144/56k S Registry S21* Settings for V24 Meaning Bit 0,1 Reserved Bit 2 CTS behaviour CT106 (CTS) behaviour: 0: like AT&R0 1: like AT&R1 Bit 3-4 DTR behaviour CT108 (DTR) behaviour: 0: like AT&D0 1: like AT&D1 2: like AT&D2 3: like AT&D3 Bit 5 DCD behaviour...
  • Page 52 S Registry i-modul Modem 144/56k Time period for DTR signal Time period, in which a modem waits without a DTR signal before it hangs (1/100 seconds). Time period between RTS/CTS Time period between RTS and CTS activation in 1/100 seconds. S27* General settings Meaning Bit 0-3...
  • Page 53 i-modul Modem 144/56k S Registry S36* Resetting the error logs Meaning Modem hangs up Bit 0..2 Determines what hap- pens if an attempt to Modem stays online and establishes a direct establish a V.42 LAP-M mode connection. connection fails. It is Reserved connected to the registry S48.
  • Page 54 S Registry i-modul Modem 144/56k S40* Break handling and MNP5 block size Meaning Bit 0 Reserved Bit 1 Reserved Bit 2 Reserved Bit 3-5 Break handling Break handling 0: like AT\K0 1: like AT\K1 2: like AT\K2 3: like AT\K3 4: like AT\K4 5: like AT\K5 Bit 6-7...
  • Page 55 i-modul Modem 144/56k S Registry Error event code When a connection fails (NO CARRIER), an event code is written into this register. S86=0 Normal disconnect, no error S86=4 Carrier lost S86=5 No establishing of an error-corrected (V.42) connection S86=6 No extensions could be negotiated S86=7 Remote terminal only supports synchronous modems S86=8...
  • Page 56 S Registry i-modul Modem 144/56k Result code Meaning Bit 0 CONNECT message with line speed Bit 1 CONNECT/ARO message for error corrected connection Bit 2 CARRIER messages enabled (messages 40 – 47) Bit 3 PROTOCOL messages enabled (messages 70 – 80) Bit 4 Reserved Bit 5...

  • Page 57: Ce/Emc Compliant Integration

    i-modul Modem 144/56k CE/EMC Compliant Integration CE/EMC Compliant Integration When integrating the i-modul Modem 144/56k 3.0 basic into an application, the system integrator is responsible for the CE/EMC conformity of the entire device. In order to integrate the i-modul Modem 144/56k 3.0 basic CE and EMC compliant into your application, we recommend the following for you to observe during de- velopment.

  • Page 58: Antenna Connection (If Equipped)

    CE/EMC Compliant Integration i-modul Modem 144/56k  Ethernet receive PCB tracks must provide a minimum width of 25 mil, Ethernet transmit PCB tracks a minimum width of 100 mil (1 mil ≈ 0.0254 mm). The PCB tracks must be routed parallel and have the same length.

  • Page 59: Declaration Of Conformity

    i-modul Modem 144/56k Declaration of Conformity Declaration of Conformity This device complies with the requirements set out in the Council Directive on the Approximation of the Laws of the Member States relating to Electromagnetic Compatibility 2004/108/EC and the Council Directive relating to Low Voltage 2006/95/EC as well as the Council Directive R&TTE 1999/5/EC.

  • Page 60: Tables And Diagrams

    Tables and Diagrams i-modul Modem 144/56k Tables and Diagrams 12.1 List of Tables Table 1: Physical Features ..................6 Table 2: Technological Features................7 Table 3: Specification and assignment of the terminal strips........8 Table 4: Terminal strip connections description, terminal strip P1 ......9 Table 5: Terminal strip connections description, terminal strip P2 ......

  • Page 61: Index

    i-modul Modem 144/56k Index Index Additional information..... 13 Error ..........37 Alternative results ......13 Error correction ......12, 41 Answer mode........28 Error event code......55 AT commands ......... 14 ESC character......48, 50 AT response ........46 Escape character ......49 Backspace character ....
  • Page 62 Index i-modul Modem 144/56k Retrain ........32, 54 TeraTerm ........14, 24 Ring tone counter...... 48, 49 Terminal program...... 14, 24 Ringing ..........31 Terminal strip ........8 RS232..........9 Terminating ........32 RS232 mode........52 Tone dialling method....... 39 RTS/CTS ........

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