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Helmholz 700-751-HSM11 Manual

Din-rail modem 56k 4.1
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DIN-rail Modem 56k 4.1
700-751-HSM11
Manual
Version: 1.6 / 03-13-2007
Manual Order number: 900-751-HSM11/en
Systeme Helmholz GmbH
Gewerbegebiet Ost 36
D-91085 Weisendorf
Phone: +49 9135 7380-0
Fax: +49 9135 7380-50
E-Mail: info@helmholz.de
Internet: www.helmholz.com

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  • Page 1 DIN-rail Modem 56k 4.1 700-751-HSM11 Manual Version: 1.6 / 03-13-2007 Manual Order number: 900-751-HSM11/en Systeme Helmholz GmbH Gewerbegebiet Ost 36 D-91085 Weisendorf Phone: +49 9135 7380-0 Fax: +49 9135 7380-50 E-Mail: info@helmholz.de Internet: www.helmholz.com...
  • Page 2 Copyright © March 07 Systeme Helmholz GmbH Any duplication of this manual is prohibited. All rights on this documentation and the devices are with Systeme Helmholz GmbH. Restrictions of guarantee This handbook contains a concise description. The compilation of the text has been made with the utmost care.

  • Page 3: Table Of Contents

    ....................27 LARM NPUT ..................... 29 ESSAGES ) ..........31 EMOTE ONFIGURATION EMOTE ONTROL 5.10 DTMF........33 EMOTE WITCHING AND EMOTE UERY VIA 5.11 ..................35 CCESS ONTROL 5.12 ) ......37 RANSMIT ONTROLLER ONNECTION ONTROL Helmholz Modem 56k 4.1...
  • Page 4 10.2 ..................... 86 FAQ ......................87 SAFETY INSTRUCTIONS ................89 12.1 ...................... 89 ENERAL 12.2 SMS ......................89 12.3 ..................... 89 LEANING TECHNICAL DATA ..................90 13.1 ................. 90 ECHANICAL EATURES 13.2 ....................90 OWER UPPLY Helmholz Modem 56k 4.1...
  • Page 5 ERIAL INTERFACE 13.4 ................91 OSSIBLE NTERFACE PEEDS 13.5 ................... 92 ELEPHONE NTERFACE 13.6 ....................93 TANDARDS 13.7 ......................94 ESET 13.8 ............... 94 IGITAL NPUTS AND UTPUTS 13.9 .................... 94 ERTIFICATIONS COUNTRY CODES ..................95 Helmholz Modem 56k 4.1...

  • Page 6: Scope Of Delivery

    Please keep the packaging material for possible future dispatch or storage. General The HELMHOLZ Modem 56k 4.1 is suitable for the analogue phone network. It has a very compact design and very robust plastic housing. The modem supports the following functions, which are described in detail in the following:...

  • Page 7: Notes Regarding The Use Of The Manual

    Dialing the phone number 1234 ATDT1234 Select modulation type AT+MS=<Modulation>, [Automode] Select modulation type AT+MS=V92 V.92 Select modulation type AT+MS=V92,1 V.92 with automatic adjustment Connect Connection to the remote terminal has been established. > Input prompt during the remote configuration. Helmholz Modem 56k 4.1...

  • Page 8: Description

    Description panel Front Helmholz The HELMHOLZ Modem 56k 4.1 has four LED’s to indicate the operating state. Name Color LED off LED on Power Green No supply voltage Supply voltage available Yellow Modem is offline Modem is hooked to the phone line...

  • Page 9: Bottom

    You can save configurations in the user profile, which may be re-used for certain purposes. A part of the S registry is saved in each profile. In the descrip- tion, the affected registries are marked with an “*” in the S registry. Helmholz Modem 56k 4.1...

  • Page 10: Configuration Software Hscomm

    For a simple set-up, all basic functions of the HELMHOLZ modem 56k 4.1 can be en- tered without knowing the individual commands and their parameters, using the configuration software.
  • Page 11 Handshake setting at the modem (Configure menu Modem): Auto bauding: With the first AT command, the HELMHOLZ Modem 56k 4.1 recog- nizes the baud rate and the format of the incoming data and configures itself ac- cordingly. When the modem doesn’t receive AT commands but user data right away, the last saved settings are kept.
  • Page 12 The signal Data Terminal Ready (DTR) on the serial interfaces indicates that the connected device (control, PC) is switched on, connected and ready for operation. The HELMHOLZ Modem 56k 4.1 may react to the device being switched off or the cable being removed.

  • Page 13: Installation Instructions

    Installation Instructions Note: For the installation of the HELMHOLZ modem with the configura- tion software HSComm, please also read Chapter 4.5. Important Safety Instructions When using the communication device and its accessories, the following safety instructions must be observed at all times to prevent fire, electric shock or personal injury.
  • Page 14 Now, start your communication program on the PC and set it to the used COM interface. The modem will automatically ad- just to the baud rate of your PC. Communication Control via a Terminal Program Perform a short test using your terminal program. (TeraTermPro, ProcommPlus). Helmholz Modem 56k 4.1...
  • Page 15 Dial the following number: 0101901929 ATX3DT 0,0101901929 For PBXs that require a code number to establish a connection - usually “0”- a different command must be used. The modem will establish a connection. LED OH lights up Connect… Helmholz Modem 56k 4.1...

  • Page 16: Functions

    Functions This chapter describes the functions and settings of the HELMHOLZ Modem 56k 4.1. The settings can be selected and changed via AT commands, using any termi- nal program (Hyperterminal, TeraTerm, etc.) Alternatively, all common settings can also be comfortably performed via the con- figuration software HSComm (see Chapter 4.5 "Configuration software HSComm”).
  • Page 17 S15:000 S17:042 S18:000 S24:000 S36:135 S40:104 S41:195 S46:138 S95:000 Note: The user profiles 0 and 1 can be modified without affecting the active profile. Storage location for the phone numbers: TELEFONNUMMERN: 0= <Z0> 1= <Z1> 2= <Z2> 3= <Z3> Helmholz Modem 56k 4.1...

  • Page 18: Serial Data Transmission

    Query the quality of an existing connection AT%Q AT%L Query the level of an existing connection Display the connection statistics after the connection is AT&V1 terminated Helmholz Modem 56k 4.1...
  • Page 19 Data is transmitted without buffering. Data compression or error correction will not work in bit direct AT\N1 mode. Only the abort sequence - default +++ - is utilized by the modem. Configuration with HSComm: Helmholz Modem 56k 4.1...
  • Page 20 It will depend on the according application software if the RTS/CTS AT&K AT&R lines can be operated. The application sets the RTS line to ON to request data from the modem. Configuration with HSComm (settings according to the require- ments): Helmholz Modem 56k 4.1...
  • Page 21 After the hardware reset, load the user profile 0 ATZ1 After the hardware reset, load the user profile 1 5.2.8 Dial-up delay The standard TBR21 applies to all public phone networks in EU countries (Belgium, Denmark, German, Finland, France, Helmholz Modem 56k 4.1...

  • Page 22: Error Correction

    Error Correction The modem masters the V.42 error correction protocol includ- ing the Microcom Networking Protocol Levels 2/3/4 (MNP2, MNP3, MNP4) and the data throughput optimization MNP10. Configuration with HSComm (settings according to the requirements): Helmholz Modem 56k 4.1...

  • Page 23: Data Compression

    Data compression is only available for error corrected connec- tions. To be able to use data compression, both sides (sender and re- cipient) must be able to recognize the same data compression mode. Helmholz Modem 56k 4.1...
  • Page 24 The V44 data compression offers better compression of typical internet content than V.42bis. V.44 also requires an error cor- rected connected, just as V.42bis, and cannot re-compress al- ready compressed data. AT+DS44 Switch off V.44 data compression: AT+DS44=3 Switch on V.44 data compression: Helmholz Modem 56k 4.1...

  • Page 25: Selective Call Answer

    Our first example activates all phone numbers end- AT*N7=941586920 ing in 941586920. The following phone numbers are activated: 0941586920, 0049941586920, and +49941586920. Our second example activates all phone numbers AT*N7=0941586920 ending in 0941586920. Only the phone number 0941586920 is activated. Helmholz Modem 56k 4.1...

  • Page 26: Switch Output

    Switch Output The HELMHOLZ Modem 56k 4.1 has two switch outputs OUT1 and OUT2 at the bottom of the cover, which are AT*Yx,y designed as potential-free relay switches.

  • Page 27: Alarm Input

    (at least 4 seconds). When an alarm occurs, the HELMHOLZ modem can send a message either via a data connection, a fax or an SMS. The simple activation of INPUT2 acts as 2 pulses at INPUT1.
  • Page 28 The status of the alarm inputs can be queried by AT commands or via DTMF tones. Response for inactive alarm input Response for active alarm input Configuration with HSComm: Helmholz Modem 56k 4.1...

  • Page 29: Send Messages

    Some network providers support SMS forwarding to a fax ma- chine or an e-mail address. All necessary information is available from the customer ser- vice of the provider. Helmholz Modem 56k 4.1...
  • Page 30 Message was successfully sent ERROR Error during the message transmission After the message was sent, the connection is terminated. 5.8.3 Fax logging All alarm messages can also be sent to a fax number for logging AT&Z3=<Rufnummer> reasons. Helmholz Modem 56k 4.1...

  • Page 31: Remote Configuration (Remote Control)

    Deactivate security callback AT*R1 Release modem for remote configuration AT&W0 AT&W1 Save entry 5.9.3 Change default password at remote modem AT*C Change password OLD PASSWORD QWERTY Enter old password NEW PASSWORD Enter new password Confirm Re-enter new password Helmholz Modem 56k 4.1...
  • Page 32 5.9.4 Start of the remote configuration at the local modem Dial the remote modem, e.g. an HELMHOLZ modem ATD <Phonenumber> The modem will establish a successful connection Connect… Switch to the mode “Remote Configuration” **** Prompt for entering the password...

  • Page 33: Remote Switching And Remote Query Via Dtmf

    The PIN consists of 4 digits and may be changed any way. The change is immediately stored in the permanent memory. First, NEW PIN the previous PIN must be entered, then the new PIN. Afterwards, 4567 the new PIN must be entered once more for confirmation. Confirm 4567 Helmholz Modem 56k 4.1...
  • Page 34 “HIGH”, a high long tone is output, and for the LOW state a low long tone. HIGH high long tone low long tone Note: If nothing is entered for more than 25 seconds, the modem will automatically disconnect. Helmholz Modem 56k 4.1...

  • Page 35: Access Control

    As a preparation, security callback is activated by saving the AT&Z1=<phonenumber> call back number in the phone number registry of the mo- dem that is calling back. AT&Z1= The deactivation takes place by deleting the call back phone number. Helmholz Modem 56k 4.1...
  • Page 36 If the entered password was incorrect, the connection is ter- No Carrier minated and thus prevents unauthorized access to the con- nected device. After that, a normal data connection is established. Callback in Pro- gress Helmholz Modem 56k 4.1...

  • Page 37: Data Transmit Controller (Idle Connection Control)

    30 seconds. In remote mode, idle connection control at the modem must be deactivated to prevent the connection from being interrupted after the timer has run out. The remote data transmission will not reset the timer. Helmholz Modem 56k 4.1...

  • Page 38: Priority Circuit For Modems With Phones Connected In Series

    5.13 Priority Circuit for Modems with Phones Connected in Series gives a phone connected HELMHOLZ Modem 56k 4.1 in series priority, to make sure it interferes as little as possible with the usage of the phone connection. Command Function 1...
  • Page 39 For some analogue phone systems, this may result in an erroneous detection. Off-hook detection is therefore not recommended in connection with analogue phone systems. Helmholz Modem 56k 4.1...
  • Page 40 Loop voltage during the connection Time Note: This detection is based on the change of the loop voltage (AT-TTE=U1, U2, U3). It will not work for all connections. ISDN phone systems in particular often suppress the hang-up noi- Helmholz Modem 56k 4.1...

  • Page 41: Operation With A Plc

    Operation with a PLC The HELMHOLZ Modem 56k 4.1 has been tested for the most common PLC sys- tems on the market. The documentation (Application Notes) of the settings required for the respective info@helmholz.de PLC can be queried at SYSTEME HELMHOLZ GMBH (E-mail: HSComm offers a range of recommended settings for the modems connected at the PLC or the PC at the control center.

  • Page 42: Firmware Update

    Firmware Update Flashcom.exe This function enables the firmware update of the HELMHOLZ Modem 56k 4.1 without switching the EEPROM. The new ver- sion is available from your service partner. ATI4 Query of the used firmware Unpack the file into any directory and start Flashcom.exe.

  • Page 43: Terminal Program

    Select the according HELMHOLZ Modem and start the update. Close the window after the update is completed. Terminal Program As an alternative to the procedure described in the previous chapter, the firmware update may also be performed via a terminal program.
  • Page 44 The transfer process is indicated by dots on the monitor (of the terminal program). Note: For the terminal program Telix, the de- lay settings between the character and the lines must be set to “0” for the ASCII protocol. Helmholz Modem 56k 4.1...

  • Page 45: At Command Set

    AT Command Set Most of the HELMHOLZ communication devices are controlled internally via AT commands. A terminal program is integrated in the HSComm. The AT commands can be directly entered at the menu item “Terminal”. Alternatively, we recommend the terminal program TeraTerm by T. T. Teranishi.

  • Page 46: Overview At Commands

    AT&A0 The AT&A setting is saved in AT&W. Send alarm text manually AT%A<n> Manual triggering of the message. After the message is sent, the device responds with OK (success) or ERROR (failure). Note: see also AT*V<n> Helmholz Modem 56k 4.1...
  • Page 47 The modem can only perform data compression for error corrected connections. No data compression enabled AT%C0 MNP 5 data compression enabled AT%C1 Enable V.42bis and V.44 data compression AT%C2 Enable MNP 5 and V.42bis data compression (default) AT%C3 Helmholz Modem 56k 4.1...
  • Page 48 DCD follows the carrier signal of the phone line (default) AT&C1 Set the SMS dispatch format with AT+CMGS AT+CMGF=<n> Sets the PDU mode for the SMS dispatch via AT+CMGS (default). AT+CMGF=0 Sets the text mode for the SMS dispatch via AT+CMGS (default). AT+CMGF=1 Helmholz Modem 56k 4.1...
  • Page 49 Note: This command only serves for the purpose of compatibility with appli- cations for GSM devices. Dummy command for GSM compatibility AT+CPMS? AT+CPMS? responds with "+CPMS: "MT",8,40,"MT",8,40,"MT",8,40". Note: This command only serves for the purpose of compatibility with appli- cations for GSM devices. Helmholz Modem 56k 4.1...
  • Page 50 NO ANSWER. If busy signal recognition was activated, the modem terminates the connection displaying the message: BUSY. If a response tone from the other modem is received during the waiting period, a connection is established. Helmholz Modem 56k 4.1...
  • Page 51 W. The modem thus waits for the dialing tone and continues with the rest of the dial-up (via :12345) only af- ter hearing the dialing tone. Waiting for the dialing tone may be omitted. In this case, the dialing command is ATX3D012345. Helmholz Modem 56k 4.1...
  • Page 52 Set switch output 2 Reset switch output 2 Return: “OK” Query of the two alarm inputs: Both alarm inputs are output as HIGH or LOW in succession. xxx Return: “OK” – Status input 1 – Status input 2 Helmholz Modem 56k 4.1...
  • Page 53 If no DTMF tone is entered for more than 25 seconds, the modem will automati- cally disconnect. If the HELMHOLZ modem recognizes the call tone of a modem that wants to es- tablish a connection, it will immediately switch to data mode.
  • Page 54 Version number and revision of “data pump” ATI6 Manual query of the alarm input AT*I Response <Input 1>,<Input 2> The response provides the values “1” for inactive (open) and “0” for active (con- nected to ground). Helmholz Modem 56k 4.1...
  • Page 55 AT&K8 for RS485. In this mode, the CTS signal is deactivated (high), while the HELMHOLZ modem sends data at the serial interface. Thus, the CTS signal can be used as driver release signal for a RS485 driver. The polarity can be set with AT&R.
  • Page 56 Modem sends a break to the PC without delay AT\K2 See AT\K2 AT\K3 Modem sends a break to the application, which is embedded into AT\K4 the data that was received from the other modem Like AT\K4 AT\K5 Helmholz Modem 56k 4.1...
  • Page 57 AT+MS), irrespective of the data rate at the serial interface. This means that the HELMHOLZ Modem 56k will, for example, always attempt to establish a 56000 baud connection, even if the serial interface is only set to 9600 baud. Without er- ror correction the high speed will obviously lead to higher bit error rates, which is usually disruptive.
  • Page 58 V22B V.22bis 2400 or 1200 V23C V.23 1200 V.32 9600 or 4800 V32B V.32bis 14400, 12000, 9600, 7200 or 4800 V.34 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800, 14400, 12000, 9600, 7200, 4800 or 2400 Helmholz Modem 56k 4.1...
  • Page 59 The optional parameter maxbaud determines the highest possible baud rate for modem reception. Parameter Send Minbaud: The optional parameter minbaud determines the lowest possible baud rate for mo- dem sending. Parameter Send Maxbaud: The optional parameter maxbaud determines the highest possible baud rate for modem sending. Helmholz Modem 56k 4.1...
  • Page 60 Selects V.42LAP-M or MNP 4 error correction. If such a connection AT\N3 cannot be established, the modem will attempt to establish a con- nection that is not error corrected. (default) Exclusively selects a V.42 LAP-M connection. AT\N4 Dials exclusively MNP 4 connections. AT\N5 Helmholz Modem 56k 4.1...
  • Page 61 Switch on pulse dialing method (deactivated for some models) Starting with this command, each dial-up is performed with the pulse dialing method, until an ATT or ATDT command switches it back to tone dialing. Helmholz Modem 56k 4.1...
  • Page 62 (if necessary with a slower speed). High values indicate bad quality. These values are constantly updated during a connection. If the value increases significantly during a connection, the quality will deteriorate. After a previous AT%E command, an Autoretrain is performed. Helmholz Modem 56k 4.1...
  • Page 63 The modem still reports OK although the value has not changed as specified. We recommend checking the results after each write attempt, using the ATS<n>? command. ATS<n>=<x> Sets the S registry n to the value x. Shows the value of the S registry n. ATS<n>? Helmholz Modem 56k 4.1...
  • Page 64 Maintaining the current speed. AT*S0 300 bps AT*S1 600 bps AT*S2 1,200 bps AT*S3 2,400 bps AT*S4 4,800 bps AT*S5 9,600 bps AT*S6 19,200 bps AT*S7 38,400 bps AT*S8 57,600 bps AT*S9 115,200 bps AT*S10 Helmholz Modem 56k 4.1...
  • Page 65 Priority Circuit for Modems with Phones Connected in Series AT-STE=<n> The HELMHOLZ Modem 56k 4.1 gives a phone connected in series priority, to make sure it interferes as little as possible with the usage of the phone connection. (see Chapter 5.10)
  • Page 66 This command determines if the modem transmits messages to the application in short or long format. Messages in short format, i.e. only the error number ATV0 Messages in long format, i.e. the error text (default) ATV1 Helmholz Modem 56k 4.1...
  • Page 67 Definition of messages/phone numbers Definition of the SMS service center AT&Z0 Query of the variable alarm texts and phone numbers AT*V<n>? The variable part of the alarm message and the target phone number are queried with AT*V1? or AT*V2?. Helmholz Modem 56k 4.1...
  • Page 68 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 currently AT&V3 set data format (AT*U<n>). Helmholz Modem 56k 4.1...
  • Page 69 The modem reports the phone line speed. ATW2 Save configuration AT&W<n> The command saves the current modem configuration including the S registry in one of the two user-defined defaults. Save in user default 0 AT&W0 Save in user default 1 AT&W1 Helmholz Modem 56k 4.1...
  • Page 70 1 (created using the AT&W1 command) is loaded into the cur- rent modem configuration. Switch outputs AT*Yx,y Port (OUT1=0, OUT2=1) If no port is specified (x), OUT1 is used Desired condition of the output (relay open =0, relay closed =1) Default: AT*Y0,0 AT*Y1,0 Helmholz Modem 56k 4.1...
  • Page 71 - <CR> -), the remote configuration at the remote terminal is activated. After the response OK, an additional waiting pe- riod of 2 seconds for the re-entering of AT commands must be observed. Helmholz Modem 56k 4.1...

  • Page 72: Overview Fax And Voice Commands

    BUSY NO ANSWER CONNECT 600 CONNECT 2400 CONNECT 4800 CONNECT 9600 CONNECT 7200 CONNECT 12000 CONNECT 14400 CONNECT 19200 CONNECT 38400 CONNECT 57600 CONNECT 115200 CONNECT 230400 CONNECT 75TX/1200RX CONNECT 1200TX/75RX DELAYED BLACKLISTED DATA CARRIER 300 Helmholz Modem 56k 4.1...
  • Page 73 COMPRESSION: NONE PROTOCOL: NONE PROTOCOL: LAP-M CARRIER 31200 CARRIER 33600 PROTOCOL: ALT 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 Helmholz Modem 56k 4.1...
  • Page 74 (depending on the ATV command). In the topmost line, the characters 0 to 4 each indicate the parameters for the commands ATX0 to ATX4. If there is a number in a column, this indicates that an error message is displayed according to the error number. Helmholz Modem 56k 4.1...

  • Page 75: S Registry

    Settings for V24 S22* Settings S24* Time until changing to sleep mode 0-255 Time for DTR signal 0.01 s 0-255 Time between RTS/CTS 0.01 s 0-255 S27* General settings Time for modifiers „flash“ 10 ms 0-17 Helmholz Modem 56k 4.1...
  • Page 76 Resetting the error protocols Time until forced hang-up 0-255 S39* Flow control S40* General settings S41* General settings S46* Data compression S48* Settings for V42 negotiation phase Error result code read only S91* Send level 0-15 S95* Result code Helmholz Modem 56k 4.1...

  • Page 77: Descriptions Registry

    S7. The time starts running as soon as the modem has finished dialing. The value of S7 can be between 0 and 180 seconds. Dial tone delay Helmholz Modem 56k 4.1...
  • Page 78 1: Echo on Bit 2 Reserved Bit 3 Result codes: 0: Message numbers Result format (ATV0) 1: Message texts (ATV1) Bit 4 Reserved Tone/pulse 0: Tone dialing (ATT) Bit 5 Tone/pulse dialing 1: Pulse dialing (ATP) Helmholz Modem 56k 4.1...
  • Page 79 2: see AT&D2 3: see AT&D3 Bit 5 DCD behavior CT109 (DCD) behavior: 0: see AT&C0 1: see AT&C1 Bit 6 DSR behavior CT107 (DCD) behavior: 0: see AT&S0 1: see AT&S1 Bit 7 Reserved Reserved Helmholz Modem 56k 4.1...
  • Page 80 RS232-Mode 0: see AT&M0 or AT&Q0 9: see AT&Q5 10: see AT&Q6 Bit 4.5 Reserved Bit 6 CCITT or Bell CCITT/Bell Select Modulation 0: CCITT Modulation 1: Bell Modulation Bit 7 Remote Control Status Remote control Helmholz Modem 56k 4.1...
  • Page 81 Reserved Modem attempts to establish a MNP connec- tion. In case of failure a normal mode connection is established. normal fixed network modem (AT*M0) Bit 3.0.5 SMS type D1 and E networks (AT*M1) D2 network Helmholz Modem 56k 4.1...
  • Page 82 MNP block size 0: 64 characters (AT\A0) 1: 128 characters (AT\A1) 2: 192 characters (AT\A2) 3: 256 characters (AT\A3) S41* General settings Meaning Compression Selection Bit 0.1 Select compression type 0: No compression (AT%C0) 1: MNP5 (AT%C1) Helmholz Modem 56k 4.1...
  • Page 83 S86=14 Protocol error S86=15 DTR drop S86=16 Remote terminal demanded cleardown (GSTN cleardown) S86=17 Inactivity timer expired S86=18 Desired speed is not supported S86=19 Long space disconnect S86=20 Key abort (character was sent during connection setup) Helmholz Modem 56k 4.1...
  • Page 84 Bit 2 CARRIER messages enabled (messages 40 – 47) Bit 3 PROTOCOL messages enabled (messages 70 – 80) Bit 4 Reserved Bit 5 COMPRESSION message enabled (messages 66 - 69) Bit 6 Reserved Bit 7 Reserved Helmholz Modem 56k 4.1...

  • Page 85: Sending Of Sms As Fax Or E-Mail

    Sending of SMS as Fax or E-mail Chapter 11 shows an overview of network providers for German-speaking countries (Germany, Austria, and Switzerland). All necessary information is available from the customer service center of the provider. 10.1 SMS as Fax Helmholz Modem 56k 4.1...

  • Page 86: Sms As E-Mail

    10.2 SMS as E-Mail Helmholz Modem 56k 4.1...

  • Page 87: Faq

    (See Chapter 9, com- mand ATX, command ATD) After the ATD dialing com- The dialing lock of 3o seconds See Chapter 5.2.8 “Dial-up De- mand, the modem will not is active. lay”. start dialing right away. Helmholz Modem 56k 4.1...
  • Page 88 (See also Chapters 5.3 and 5.4 “Error Correction” and “Data Compression”). Helmholz Modem 56k 4.1...

  • Page 89: Safety Instructions

    The HELMHOLZ Modem 56k 4.1 may not be used in wet environ- ments, damp rooms or close to water. The device should not be used during a thunderstorm, as this could result in electrical shock.

  • Page 90: Technical Data

    All specified technical data was measured with a nominal input voltage, full load, and an ambient temperature of 77 °F. The threshold value tolerances are subject to the typical fluctuations. To operate the HELMHOLZ modem, a suitable device protection must be used. Power supply: 10..60 V DC Power input: approx.

  • Page 91: Serial Interface

    Data Terminal AT&D Ready Ground AT&S Data set ready AT&R Request to send AT&K Clear to send Ring Indication 13.4 Possible Interface Speeds Baud rate in bps 4.800 28.800 9.600 38.400 1.200 14.400 57.600 2.400 19.200 115.200 Helmholz Modem 56k 4.1...

  • Page 92: Telephone Interface

    In idle state, a2 and b2 are connected with a1 and b1 via a loop current connector. a2 and b2 are disconnected as soon as the modem occupies the line. Helmholz Modem 56k 4.1...

  • Page 93: Standards

    Send with 48,000 bps or (fall back) 46,667, 45,333, 42,667, 41,333, 40,000, 38,667, 37,333, 36,000, 34,667, 33,333, 32,000, 30,667, 29,333, 28,000 bps. (bis = French: secondly) = extended Bps indicates the transmitted bits per second. Duplex means that the transmission takes place into both directions. Helmholz Modem 56k 4.1...

  • Page 94: Reset

    The HELMHOLZ Modem 56k 4.1 bears the CE symbol of conformity. This symbol indicates that on account of its design and implementation, the HELMHOLZ Mo- dems 4.1 or the HELMHOLZ Modem 56k 4.1 are in compliance with the currently valid versions of the following EC directives: Conformity: A conformity declaration regarding CE for your device may be info@helmholz.de...

  • Page 95: Country Codes

    Adjust the modem to local requirements using the command AT+GCI=<countrycode> All other settings should be carried out after the country code has been selected, because some factory settings depend on the country. HELMHOLZ modem 56k 4.1 Country Extended Standard coun-...
  • Page 96 HELMHOLZ modem 56k 4.1 Country Extended Standard coun- tries country groups Finland* FD/3C France* FD/3D Gabon Ghana Greece* FD/46 Greenland Great Britain* FD/B4 Guatemala Honduras Hong Kong India Indonesia Ireland* FD/57 Iceland* FD/52 Israel Italy* FD/59 ITU/Taiwan Jamaica Japan Yemen...
  • Page 97 HELMHOLZ modem 56k 4.1 Country Extended Standard coun- tries country groups Liechtenstein* Lithuania Luxembourg* FD/69 Madagascar Malawi Malaysia Malta Mauritania Mauritius Macedonia Mexico Monaco Moldavia Montenegro New Zealand Nicaragua Netherlands* FD/7B Niger Nigeria Norway* FD/82 Oman Austria* FD/0A Pakistan Panama...
  • Page 98 HELMHOLZ modem 56k 4.1 Country Extended Standard coun- tries country groups Saudi Arabia Sweden* FD/A5 Switzerland FD/A6* Senegal Serbia Singapore Zimbabwe Slovak Republic Slovenia Spain* FD/A0 Sri Lanka South Africa Taiwan Tanzania Thailand Czech Republic Turkey Tunisia Uganda Ukraine Hungary...
  • Page 99 Helmholz Modem 56k 4.1...

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