Helmholz Modem 56k small User manual

Systeme Helmholz GmbH zHannberger Weg 2 zD-91091 Großenseebach
Phone: [phone] zFax: [phone] zE-Mail: [e-mail] zInternet: www.helmholz.com
56-k Modem „small“/
56-k Modem USB„small“
700-751-HSM21 / 700-751-HSM31
Operating Manual
Version: 2.0 / 03.07
Manual Order number : 900-751-HSM21/en

Helmholz Modem 56k small/Modem 56k USB small2
All rights are reserved, including those of translation, reprinting,
and reproduction of this manual, or parts thereof. No part of this
manual may be reproduced, processed, copied, or transmitted in
any way whatsoever (photocopy, microfilm, or other method)
without the express written permission of Systeme Helmholz
GmbH, not even for use as training material, or using electronic
systems. All rights reserved in the case of a patent grant or regis-
tration of a utility model or design.
Copyright ©2009 by
Systeme Helmholz GmbH
Hannberger Weg 2, 91091 Großenseebach, Germany
Note:
We have checked the content of this manual for conformity with
the hardware and software described. Nevertheless, because de-
viations cannot be ruled out, we cannot accept any liability for
complete conformity. The information in this manual is regularly
updated. When using purchased products, please heed the latest
version of the manual, which can be viewed in the Internet at
www.helmholz.de, from where it can also be downloaded.
Our customers are important to us. We are always glad to receive
suggestions for improvement and ideas.
Step and SIMATIC are registered trademarks of SIEMENS

Contents
Helmholz Modem 56k small/Modem 56k USB small 3
1 SCOPE OF DELIVERY .................................................................................... 6
2 FUNCTION OVERVIEW ................................................................................. 6
3 NOTES REGARDING THE USE OF THE MANUAL......................................... 7
4 INITIAL OPERATION..................................................................................... 8
4.1 FRONT PANEL .................................................................................................. 8
4.2 TOP ................................................................................................................ 9
4.3 USER PROFILES................................................................................................. 9
4.4 INSTALLATION ............................................................................................... 10
4.5 INSTALLATION OF A USB DRIVER ..................................................................... 12
5 FUNCTIONS................................................................................................ 18
5.1 CONFIGURATION ........................................................................................... 18
5.2 SERIAL DATA TRANSMISSION ........................................................................... 20
5.3 ERROR CORRECTION ....................................................................................... 24
5.4 DATA COMPRESSION....................................................................................... 24
5.5 SELECTIVE CALL ANSWER ............................................................................... 26
5.6 SEND MESSAGES............................................................................................. 28
5.7 REMOTE CONFIGURATION (REMOTE CONTROL) ................................................ 30
5.8 ACCESS CONTROL .......................................................................................... 32
5.9 DATA TRANSMIT CONTROLLER (IDLE CONNECTION CONTROL) .......................... 34
5.10 PRIORITY CIRCUIT FOR MODEMS WITH PHONES CONNECTED IN SERIES ............... 35
6 CONFIGURATION SOFTWARE HSCOMM .................................................. 38

Contents
Helmholz Modem 56k small/Modem 56k USB small4
7 OPERATION WITH A PLC ........................................................................... 39
8 FIRMWARE UPDATE ................................................................................... 40
8.1 FLASHCOM.EXE.............................................................................................. 40
8.2 TERMINAL PROGRAM...................................................................................... 41
9 AT COMMAND SET .................................................................................... 42
9.1 OVERVIEW AT COMMANDS ............................................................................ 43
9.2 OVERVIEW FAX AND VOICE COMMANDS.......................................................... 67
9.3 AT MESSAGES................................................................................................ 67
10 S REGISTRY................................................................................................. 71
10.1 OVERVIEW SREGISTRY ................................................................................... 71
10.2 DESCRIPTION SREGISTRY................................................................................ 72
11 SENDING SMS AS FAX OR E-MAIL ............................................................ 81
11.1 SMS AS FAX .................................................................................................. 81
11.2 SMS AS E-MAIL .............................................................................................. 82
12 FAQ ............................................................................................................. 83
13 SAFETY INSTRUCTIONS ............................................................................. 85
13.1 GENERAL ...................................................................................................... 85
13.2 CLEANING..................................................................................................... 85
14 TECHNICAL DATA ...................................................................................... 86
14.1 MECHANICAL FEATURES ................................................................................. 86
14.2 POWER SUPPLY .............................................................................................. 86
14.3 PC INTERFACE ............................................................................................... 87

Contents
Helmholz Modem 56k small/Modem 56k USB small 5
14.4 POSSIBLE INTERFACE SPEEDS............................................................................ 88
14.5 SUPPORTED TRANSMISSION STANDARDS ........................................................... 89
14.6 TELEPHONE INTERFACE................................................................................... 89
14.7 ITU STANDARDS (CCITT) .............................................................................. 91
15 COUNTRY CODES ...................................................................................... 92

6Helmholz Modem 56k small/Modem 56k USB small
1Scope of Delivery
Before you begin with the initial operation, please check if all accessories are
included in the box.
¾HELMHOLZ Modem 56k small or
HELMHOLZ Modem 56k USB small
¾2 phone cords (TAE N at RJ12 and RJ12 at RJ12)
¾PC connection cable
9/9-pin (RS232 cable) or USB connection cable
¾User Guide
¾CD-ROM (optional)
Please contact your supplier if the content is not complete. Please also check the mo-
dem for shipping damage. Please also refer to your supplier if anything is damaged.
Please keep the packaging material for possible future shipping or storage.
2Function Overview
The HELMHOLZ Modem 56k small is a modem for the analogue telephone network. It
has a very compact design and very robust plastic housing. The modem supports the
following functions, which are described in detail in Chapter 5:
¾Usage in 87 countries
¾Establishing a data connection
¾Auto answer
¾Data flow control
¾Error correction
¾Data compression
¾Idle connection control
¾Firmware Update
¾Remote configuration
¾Security callback

Helmholz Modem 56k small/Modem 56k USB small 7
3Notes Regarding the Use of the Manual
¾This manual uses the symbol for especially important notes. Further notes
will be marked accordingly.
¾All factory settings are marked “default”.
Example (Chap. 5.7.3): Enter old password (default: QWERTY)
¾In Chapters 4 to 6 the description consists of two columns. Individual func-
tions are described on the left side. The according AT commands and the
modem responses can be found in the right column.
Function description AT command
Example (Chap. 5.2.7):
After the hardware reset, load the user profile 1 ATZ1
¾All AT commands start with the letters AT and end with a “Return” (Carriage
Return - CR). AT commands can be entered in capital or small letters. The
command is evaluated as soon as the modem received a response.
¾In the following, the used syntax is explained:
cATDT AT command (font: Courier, bold)
d<Expression> Input of a parameter (font: Courier, bold)
e<Expression> Input of an optional parameter
(Font: Courier, bold)
fExpression Response from the modem (font: italic)
Examples:
cATDT<n> Dialing of the phone number <n>
ATDT1234 Dialing of the phone number 1234
d+eAT+MS=<Modulation>, [Automode] Selection of the modulation
type
AT+MS=V92 Selection of the modulation
type V.92
AT+MS=V92,1 Selection of the modulation
typeV.92 with automatic
adjustment
fConnect The connection to the remote terminal is established
> Input prompt during the remote configuration.

8Helmholz Modem 56k small/Modem 56k USB small
4Initial Operation
4.1 Front panel
HELMHOLZ Modem 56k small HELMHOLZ Modem 56k USB small
The HELMHOLZ Modem 56k small INT has two LEDs to indicate the operating state:
The left LED (Power RX/TX) displays the condition of the operating voltage and a data
transmission. The right LED (OH/DCD) displays the status OH (off hook) and DCD (data car-
rier detect). The exact meaning of the display elements is described in the following table.
State Left LED Right LED
LED off No operating voltage applied. The modem is not “off hook” (it has not
yet “lifted the receiver”).
LED is green Operating voltage applied. The modem is hooked to the phone line
(it has “lifted the receiver”); a connec-
tions has not yet been established.
LED is or blinks or-
ange
Data is transmitted. The connection to the remote terminal
is established, the carrier was detected
If the DCD line at the modem is
permanently switched on, it cannot
be distinguished, whether a connec-
tion to the remote terminal is active
or not.
LED is red The modem is not “off hook” (it has not
“lifted the receiver” yet) and the DCD
line at the modem is permanently
switched on.
Systeme Helmholz Systeme Helmholz

Helmholz Modem 56k small/Modem 56k USB small 9
4.2 Top
Terminal Meaning
1 10..32V
DC Power supply 10V - 32V DC
2 GND Ground
3 Reset Reset input
INSYS MICROELECTRONICS GmbH
Internet: www.insys-tec.de
Sales: [e-mail]
Support: [e-mail]
GND
Reset
10...32 VDC
Power
supply
1
2
3
1
2
3
4 N/A
4.3 User Profiles
The modem offers a choice of profiles:
¾Default factory setting:
The default factory settings enable you to achieve a fixed defined
basic state of the modem. Starting with this “basis”, you can cus-
tomize the modem according to your requirements.
¾User profiles 0 and 1:
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 regis-
try.
Systeme Helmholz GmbH
Internet: www.helmholz.de
Sales: [email protected]
Support: suppo [email protected]

10 Helmholz Modem 56k small/Modem 56k USB small
4.4 Installation
Please observe our safety instructions.
1. Mounting on DIN rail
2. Connecting the power supply
a) Connecting the ground connection
b) Connecting the power supply 10…32V DC
INSYS MICROELECTRONICS GmbH
Internet: www.insys-tec.de
Sales: [e-mail]
Support: [e-mail]
GND
Reset
10...32 VDC
Power
supply
1
2
3
1
2
3
HELMHOLZ Modem 56k small
HELMHOLZ Modem 56k USB small
Note: The minimum value is 10V DC.
The maximum value is 32V DC.
3. Switch on power supply
4. Connection with a PC
Connect the 9-pin jack at the modem with the serial interface or a
USB interface of your computer.
5. Installation of a driver
For HELMHOLZ Modem 56k small:
The installation of a driver is not required when using a terminal
program or the HSComm. If you use another application, a driver
may be necessary. Please find our current drivers at
http://www.helmholz.de/ or install the standard modem 336 un-
der Windows.
For HELMHOLZ Modem 56k USB small:
If the HELMHOLZ USB drivers are not installed on your system
yet, you must perform the installation described in Chapter 4.5 .
6. Communication with the Modem
Now, start your communication program on the PC and set it to
the used COM interface. The modem will automatically adjust to
the baud rate of your PC.
7. Communication Control via a Terminal Program
Perform a short test using your terminal program.
Power LED lights
up green
Systeme Helmholz GmbH
Internet: www.helmholz.de
Sales: [email protected]
Support: [email protected]
Helmholz Modem 56k USB small
Systeme Helmholz GmbH
Internet: www.helmholz.de
Sales: [email protected]
Support: [e-mail]