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insys icom i-modul 336 LL Designer's Manual

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  • Page 1 i-modul Modem 336 LL...
  • 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 Function Overview .................10 Meaning of the Symbols and the Formatting in this Manual....12 Operating Principle ................13 Operation with the Terminal Program..............13 Functions ....................15 Automatic Baud Rate Detection ................15...
  • Page 5 Contents CE/EMC Compliant Integration ..............61 10.1 Your Application ....................61 10.2 Application Interface / Terminal Strip P1 .............61 10.3 Network Interface / Terminal Strip P2 (for Modem /ISDN)........61 10.4 Antenna Connection (if equipped) ...............62 10.5 Further Recommendations ..................62 10.6 Reference Documents ..................62 Declaration of Conformity ..............63 Tables and Diagrams................64 12.1 List of Tables .......................64...

  • Page 6: Technical Data

    Technical Data i-modul Modem 336 LL 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 336 LL Technical Data Technological Features Technological Feature Description Supported data compression standards MNP-5, V.42 bis; V.44 Bell standard 103/212, V.32 bis, V.32, Modulation standards V.23, V.22, V.22 bis, V.21, V.34+, V.34 V.42, MNP-4, LAPM Error correction standards Table 2: Technological Features...

  • Page 8: Connections

    Connections i-modul Modem 336 LL Connections PCB Layout Figure 1: PCB layout, terminal strip and fixing hole position Item Type Description SAMTEC TW series 2-row 2 mm Serial interface, inputs and outputs pitch or Fischer SLY 81 24 Z SAMTEC TW series 2-row 2 mm Phone network interface pitch or Plastron PQFZ-04S-VK-024 or...

  • Page 9: Pin Layout Terminal Strip P1

    i-modul Modem 336 LL Connections Pin Layout Terminal Strip P1 Type Signal Description Ground of supply voltage (ground) Supply 5V DC supply voltage Ground of supply voltage (ground) Input Transmit signal from the terminal of the RS232 line; TTL level Ground of supply voltage (ground) Output Receive signal from the RS232 line;...

  • Page 10: Function Overview

    Function Overview i-modul Modem 336 LL Function Overview The i-modul Modem 336 LL 3.0 offers the following functions:  Automatic baud rate detection In configuration mode, the i-modul Modem 336 LL 3.0 can automati- cally adjust the data transmission rate at the serial interface. ...
  • Page 11 i-modul Modem 336 LL Function Overview  Configuration for the operation in originate or answer mode As factory default, the i-modul Modem 336 LL 3.0 is usually pre- initialized for the operation in originate or answer mode. Each i-modul Modem 336 LL 3.0 can still be switched from one operating mode to the other one via AT commands.

  • Page 12: Meaning Of The Symbols And The Formatting In This Manual

    Meaning of the Symbols and the Formatting in this i-modul Modem 336 LL 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 13: Operating Principle

    i-modul Modem 336 LL Operating Principle Operating Principle This chapter describes the basic procedures to operate and configure an i-modul Modem 336 LL 3.0. In general, the i-modul Modem 336 LL 3.0 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 14 Operating Principle i-modul Modem 336 LL  The i-modul Modem 336 LL 3.0 replies with  If the i-modul Modem 336 LL 3.0 does not respond, this may have three probable reasons: a) the i-modul Modem 336 LL 3.0 is switched off or b) the i-modul Modem 336 LL 3.0 is not in configuration mode or c) the i-modul Modem 336 LL 3.0 is connected to another serial port.

  • Page 15: Functions

    i-modul Modem 336 LL Functions 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 336 LL 3.0 in configuration mode.

  • Page 16: 6.1.2 Phone Connection

    Functions i-modul Modem 336 LL 6.1.2 Phone connection The automatic negotiation of the baud rate and the modulation standard enables the i- modul Modem 336 LL 3.0 to negotiate the largest possible connection speed to the re- mote terminal while the connection is established. The speed depends on the settings and the abilities of the modem at the remote terminal.

  • Page 17: Data Flow Control (Handshake)

    i-modul Modem 336 LL Functions Data Flow Control (Handshake) The data flow control ensures that the data transfer is interrupted as soon as the modem buffer exceeds a certain level. Two data flow control options are available: Via the con- trol lines RTS and CTS, or via the control characters XON/XOFF which are inserted into the data stream.

  • Page 18: Software Data Flow Control (Xon/Xoff)

    Functions i-modul Modem 336 LL 6.3.2 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.

  • Page 19: Data Compression

    i-modul Modem 336 LL Functions Data Compression The i-modul Modem 336 LL 3.0 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. Data compression is only available for error corrected connections.

  • Page 20: Data Buffer For Serial Data Transmission

    Functions i-modul Modem 336 LL Data Buffer for Serial Data Transmission The i-modul Modem 336 LL 3.0 has send and receive buffers. These buffers prevent the loss of data, in case the application or the remote terminal can not receive data at this time.

  • Page 21: Error Correction

    i-modul Modem 336 LL Functions Error correction The i-modul Modem 336 LL 3.0 masters the V.42 error correction protocol including the Microcom Networking Protocol Levels 2/3/4 (MNP-2, MNP-3, MNP-4) and the data throughput optimization MNP-10. The V.42 error correction includes the protocols LAPM (Link Access Procedure for Modem) and MNP-4.

  • Page 22: Io Tunneling And Connection Safeguard

    Functions i-modul Modem 336 LL IO Tunneling and Connection Safeguard Every 20 seconds, or when the states of the digital inputs in the date stream change their status, the i-modul Modem 336 LL 3.0 sends a test message to the i-modul Modem 336 LL 3.0 of the remote terminal.

  • Page 23: Set Two-Wire Or Four-Wire Operation

    i-modul Modem 336 LL Functions Set Two-Wire or Four-Wire Operation By pre-configured factory default, the i-modul Modem 336 LL 3.0 is either set for opera- tion at a two-wire or a four-wire line. In some cases, it may be reasonable to change this configuration, for example if the data transmission does not work correctly in one of the operating modes.

  • Page 24: Set The Operating Modes Answer Or Originate

    Functions i-modul Modem 336 LL 6.10 Set the Operating Modes Answer or Originate By factory default, the i-modul Modem 336 LL 3.0 is usually delivered for operation in originate or answer mode. To operate a leased line, you will always require two modems, one in originate mode and one in answer mode.

  • Page 25: Digital Inputs

    i-modul Modem 336 LL Functions 6.11 Digital inputs The i-modul Modem 336 LL 3.0 has two digital inputs, whose states can be transmitted to the other i-modul Modem 336 LL 3.0 at the leased line via IO tunneling. The input states of a i-modul Modem 336 LL 3.0 can also be queried via AT commands.

  • Page 26: Switching On The Remote Configuration

    Functions i-modul Modem 336 LL 6.13 Switching on the Remote Configuration The i-modul Modem 336 LL 3.0 can be configured remotely. It has a remote configuration mode. To configure the i-modul Modem 336 LL 3.0 remotely, a data connection to the modem to be configured must be established.

  • Page 27: Remote Configuration Of The I-Modul Modem 336 Ll 3.0

    i-modul Modem 336 LL Functions 6.14 Remote Configuration of the i-modul Modem 336 LL Performing the remote configuration In the following, we show how you can configure the i-modul Modem 336 LL 3.0 remotely.  You will need a PC, which is connected with one of both i-modul Modem 336 LL 3.0 at the leased line via the serial interface.

  • Page 28: Reset

    Functions i-modul Modem 336 LL 6.15 Reset There are several methods to reset the i-modul Modem 336 LL 3.0: by cutting off the supply voltage, by connecting the terminal “RESET” with the terminal „GND, and by using an AT command. Configuration with AT commands To reset the i-modul Modem 336 LL 3.0, use the command...

  • Page 29: Maintenance

    i-modul Modem 336 LL Maintenance Maintenance Firmware Update Note Function loss due to faulty update! The i-modul Modem 336 LL 3.0 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 336 LL 3.0, contact the INSYS MICROELECTRONICS support department.
  • Page 30 Maintenance i-modul Modem 336 LL Connect the Reset input with GND for 1 second, if automatic connection establishment is enabled. Enter "AT" and confirm with "Enter".  The i-modul Modem 336 LL 3.0 replies withOK.  If the i-modul Modem 336 LL 3.0 does not respond, check the connection and if the device receives power at all.
  • Page 31 i-modul Modem 336 LL Maintenance  The upload progress is again displayed by dots in the terminal window.  The i-modul Modem 336 LL 3.0 indicates after successful upload Device successfully programmed  The i-modul Modem 336 LL 3.0 will reset itself and is ready for operation.

  • Page 32: At Command Reference

    AT Command Reference i-modul Modem 336 LL AT Command Reference Command Description Start of the flash load function AT** Repeat the last command The last command is repeated. Select maximum MNP block size AT\A<n> Define maximum block size for error corrected MNP transmissions. 64 byte AT\A0 128 byte (default)
  • Page 33 i-modul Modem 336 LL AT Command Reference Command Description Enable data compression AT%C<n> Enable/disable a data compression type The i-modul Modem 336 LL 3.0 can only perform data compressions for error corrected connections. No data compression enabled AT%C0 MNP-5 data compression enabled AT%C1 Enable V.42 bis and V.44 data compression AT%C2...
  • Page 34 AT Command Reference i-modul Modem 336 LL Command Description Automatic Retrain AT%E<n> When transmission problems occur, the i-modul Modem 336 LL 3.0 executes a retrain procedure. After three unsuccessful retrain attempts, the i-modul Modem 336 LL 3.0 will hang up. Retrain not allowed AT%E0 Retrain not allowed...
  • Page 35 i-modul Modem 336 LL AT Command Reference Command Description Determine baud rate AT+IPR=<n> Use the command AT+IPR to temporarily set a certain baud rate. Activates the automatic baud rate detection (default) AT+IPR=0 AT+IPR=<n> Sets the i-modul Modem 336 LL 3.0 temporarily to the fixed baud rate n.
  • Page 36 AT Command Reference i-modul Modem 336 LL Command Description Break control AT\K The i-modul Modem 336 LL 3.0 reacts to a break (receive path off for a certain amount of time), which it receives from another modem or from the PC, or from the command AT\B according to the parameters.
  • Page 37 i-modul Modem 336 LL AT Command Reference Command Description 2nd situation During a data connection, the i-modul Modem 336 LL 3.0 was put AT\K into command mode by an escape sequence +++. In this condition, (continued) the command AT\B will send a break to the other modem. In this situation, the parameter n will cause the following: The i-modul Modem 336 LL 3.0 deletes the data buffer and sends a AT\K0...
  • Page 38 AT Command Reference i-modul Modem 336 LL Command Description Determines the automatic speed limitation AT*L<n> The automatic speed limitation is used to automatically achieve the least possible error rate for connections without error correction. In the factory settings, the speed limitation is always switched on (AT*L0). If the limitation is switched off (AT*L1), the i-modul Modem 336 LL 3.0 will al- ways establish the connection on the phone side with the maximum possible speed (or the speed defined with AT+MS), irrespective of the data rate at the serial...
  • Page 39 i-modul Modem 336 LL AT Command Reference Command Description Show modulation type AT+MR=<n> The command AT+MR=<n> enables the display of the modulation type after the message CONNECT. Switches the data flow control OFF (default) AT+MR=0 Switches the display function ON. The displayed value applies to AT+MR=1 the sent data.
  • Page 40 AT Command Reference i-modul Modem 336 LL Command Description B103 Bell 103 AT+MS=<Modula tion>, [Auto- B212 Bell 212 1200/75 mode], [Send Minbaud, Send Parameter Automode Maxbaud], [Receive Min- The optional parameter automode determines whether the i-modul Modem 336 baud, Receive LL 3.0 automatically adjusts to the desired modulation type.
  • Page 41 i-modul Modem 336 LL AT Command Reference Command Description Quiet control ATQ<n> This command toggles sending messages from the i-modul Modem 336 LL 3.0 to the application ON and OFF. Send messages to application (default) ATQ0 Don't send messages to application ATQ1 Display telephone call quality AT%Q...
  • Page 42 AT Command Reference i-modul Modem 336 LL Command Description Read/write of the S registry ATS<n> Depending on the country settings, the S registries may only be changed within certain limits. The i-modul Modem 336 LL 3.0 still reports OK although the value has not changed.
  • Page 43 i-modul Modem 336 LL AT Command Reference Command Description Select the data format at the serial interface AT*U<n> The data format can be preselected with this command. This will, however, not switch off the automatic detection. As soon as an AT is recognized, the serial in- terface will set itself to the recognized speed and protocol.
  • Page 44 AT Command Reference i-modul Modem 336 LL Command Description Show 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):...
  • Page 45 i-modul Modem 336 LL AT Command Reference Command Description AT&V<n> Local Rtrn Count: Number of retrains (renegotiation of the connection), triggered by the local modem. (continued) Remote Rtrn Count: Number of retrains (renegotiation of the con- nection), triggered by the remote modem. Display of the currently set baud rate (AT*S<n>), as well as the cur- AT&V3 rently set data format (AT*U<n>)
  • Page 46 AT Command Reference i-modul Modem 336 LL Command Description Extended result messages, dial tone detection ATX<n> The command determines which group of messages the i-modul Modem 336 LL 3.0 sends to the PC. This is important for PBXs, as a leading 0 or 9 must often be dialed before a dialing tone is heard on the line.
  • Page 47 i-modul Modem 336 LL AT Command Reference Command Description Software reset ATZ<n> The command causes the i-modul Modem 336 LL 3.0 to perform a software reset. The i-modul Modem 336 LL 3.0 will load the default saved by the user (according to the parameter).

  • Page 48: At Messages

    AT Command Reference i-modul Modem 336 LL AT Messages List of message numbers and messages texts depending on the command ATX. Message no. Message text in long form ATX<0> ATX<1> ATX<2> ATX<3> ATX<4> short form +FCERROR CONNECT RING NO CARRIER ERROR CONNECT 1200 NO DIAL TONE...
  • Page 49 i-modul Modem 336 LL AT Command Reference Message no. Message text in long form ATX<0> ATX<1> ATX<2> ATX<3> ATX<4> short form CARRIER 12000 CARRIER 14400 CARRIER 16800 CARRIER 19200 CARRIER 21600 CARRIER 24000 CARRIER 26400 CARRIER 28800 CONNECT 16800 CONNECT 21600 CONNECT 24000 CONNECT 26400 CONNECT 28800...
  • Page 50 AT Command Reference i-modul Modem 336 LL Message no. Message text in long form ATX<0> ATX<1> ATX<2> ATX<3> ATX<4> short form CONNECT 40000 CONNECT 42000 CONNECT 44000 CONNECT 46000 CONNECT 48000 CONNECT 50000 CONNECT 52000 CONNECT 54000 CONNECT 56000 CONNECT 230400 CARRIER 28000 CARRIER 29333 CARRIER 30667...

  • Page 51: S Registers

    i-modul Modem 336 LL S Registers S Registers S registers may be read and written using the ATS<n> command. (See also AT Command Reference). Certain S registers may only be read; into others only a particular range of values may be entered. If the range of values is exceeded, the modem will report OK, although the value was not accepted.

  • Page 52: Description S Registers

    S Registers i-modul Modem 336 LL Tabs Function Units Range Default S27* General settings Time period for modifier “flash” 10 ms 0-17 Time period until hang up due to silence 10 s 0-255 S31* General settings S36* Reset of error logs Time period until forced hang up 0-255 S39*...
  • Page 53 i-modul Modem 336 LL S Registers Backspace character Backspace character Waiting period dial tone Maximum waiting time for the dialing tone. After the modem went off-hook it waits 7 seconds for the dialing tone (fixed for approval purposes). If it detects a dialing tone during this waiting period it will start dialing.
  • Page 54 S Registers i-modul Modem 336 LL S12* Transmission clock of the ESC characters Minimum pre and post run time and maximum interim time in 1/50 of seconds between two characters. This must be observed, if the modem is supposed to de- tect an abort sequence (usually +++).
  • Page 55 i-modul Modem 336 LL S Registers S17* Initial character for remote configuration In S17, the ASCII code of a character which is used to start the remote con- figuration is defined. Values >127 switch the remote configuration off com- pletely. The default setting in S17 is “42”, which equals the ASCII character “*”.
  • Page 56 S Registers i-modul Modem 336 LL Time period until switching into sleep mode The time after which the modem switches to energy saving mode (sleep) during inactivity is determined (in seconds) in S24. The energy saving mode will be quit as soon as characters are sent to the modem, or when a call comes in.
  • Page 57 i-modul Modem 336 LL S Registers S31* General settings Meaning Bit 0 Reserved Bit 1 Description 0: 3 line message (\V0) Connect message 1: Expanded 1-line message (\V1) Bit 2-3 Error correction Messages: Messages 0: Only PC baud rate 1: PC and phone baud rate (ATW1) 2: Only phone baud rate (ATW2)
  • Page 58 S Registers i-modul Modem 336 LL S39* Flow control Selection of the data flow control between the PC and the modem S39=0 No data flow control (AT&K0) S39=3 RTS/CTS data flow control (AT&K3) S39=4 XON/XOFF data flow control (AT&K4) S39=5 Transparent XON data flow control (AT&K5) S39=6 RTS/CTS and XON/XOFF data flow control...
  • Page 59 i-modul Modem 336 LL S Registers S46* V.42bis Data Compression S46=136 No data compression S46=138 V.42 bis data compression on S48* V.42bis Connection setup protocol S48=0 Only LAPM connection possible S48=7 LAPM or MNP-4 connection S48=128 Connection protocol as laid down in S36 Error event code When a connection fails (NO CARRIER) an event code is written into this register.
  • Page 60 S Registers i-modul Modem 336 LL S91* Transmit Level The value for the transmit level of the modem is stored in the S91 register. The value can be set between 6 and 15. The connection can in some cases be improved by decreasing the transmit level.

  • Page 61: Ce/Emc Compliant Integration

    i-modul Modem 336 LL CE/EMC Compliant Integration CE/EMC Compliant Integration When integrating the i-modul Modem 336 LL 3.0 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 336 LL 3.0 CE and EMC compliant into your applica- tion, we recommend the following for you to observe during development.

  • Page 62: Antenna Connection (If Equipped)

    CE/EMC Compliant Integration i-modul Modem 336 LL  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 63: Declaration Of Conformity

    i-modul Modem 336 LL 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 64: Tables And Diagrams

    Tables and Diagrams i-modul Modem 336 LL 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 65: Index

    i-modul Modem 336 LL Index Index Additional information..... 12 Off Hook..........9 Alarm input........9 Operating mode ......38 Alternative results ......12 Operation......... 13 AT command........13 OUT1 ..........25 Checkmark ........12 OUT2 ..........25 Command input ......13 Output ..........

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