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52 

 

Helmholz Modem 56k 4.1 

Command Description 

AT&D<n>

 

DTR (CT108/2) behavior 

DTR (CT108/2) behavior - Monitoring on/off transitions of the RS232 DTR line of 

the PC.  

AT&D0

 

DTR is ignored. Allows the operation with PCs which do not run 

DTR.  

AT

&

D1

 

A DTR on/off transition causes the modem to react as if it had re-

ceived an abort sequence 

+++.

 The modem switches to the input 

mode without hanging up.  

AT&D2

 

A DTR on/off transition causes the modem to hang up. Going off-

hook automatically is not possible. (default) 

AT&D3

 

A DTR on/off transition causes the modem to perform a reset as if 

an 

ATZ

 command had been executed. A preceded 

AT&Y 

command 

decides if either the default 0 or 1 is loaded. 

AT\D<n>

 

DTMF mode activation/deactivation 

AT\D0

 

Switch off DTMF mode (default) 

AT\D1

 

Switch on DTMF mode 

When the DTMF mode is activated, the modem will be set into DTMF mode for 

incoming calls. After the signal 

OK

, the modem requires the input of the 4-digit 

PIN.  The PIN input is acoustically acknowledged. 

The following commands can be performed via the phone keys: 

Key

 Meaning 

0*

 Terminate 

connection. 

1*x

 

Control switch output 1 

 

x: 

1:  

Set switch output 1 

 

0: 

Reset switch output 1 

 Return: 

“

OK

” 

2*x

 

Control switch output 2 

 

x: 

1:  

Set switch output 2 

 

0: 

Reset switch output 2 

 Return: 

“

OK

” 

3*

 

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 

Содержание 700-751-HSM11

Страница 1: ...biet Ost 36 z D 91085 Weisendorf Phone 49 9135 7380 0 z Fax 49 9135 7380 50 z E Mail info helmholz de z Internet www helmholz com DIN rail Modem 56k 4 1 700 751 HSM11 Manual Version 1 6 03 13 2007 Man...

Страница 2: ...sponsibility nor any liability for incorrect information and their consequences Suggestions for im provements and comments are gladly accepted Trademarks The use of a trademark not shown below is not...

Страница 3: ...M 10 4 6 INSTALLATION INSTRUCTIONS 13 5 FUNCTIONS 16 5 1 CONFIGURATION 16 5 2 SERIAL DATA TRANSMISSION 18 5 3 ERROR CORRECTION 22 5 4 DATA COMPRESSION 23 5 5 SELECTIVE CALL ANSWER 25 5 6 SWITCH OUTPUT...

Страница 4: ...MAND SET 45 8 1 OVERVIEW AT COMMANDS 46 8 2 OVERVIEW FAX AND VOICE COMMANDS 72 8 3 AT MESSAGES 72 9 S REGISTRY 75 9 1 OVERVIEW S REGISTRY 75 9 2 DESCRIPTION S REGISTRY 77 10 SENDING OF SMS AS FAX OR E...

Страница 5: ...lz Modem 56k 4 1 5 13 3 SERIAL INTERFACE 91 13 4 POSSIBLE INTERFACE SPEEDS 91 13 5 TELEPHONE INTERFACE 92 13 6 STANDARDS 93 13 7 RESET 94 13 8 DIGITAL INPUTS AND OUTPUTS 94 13 9 CERTIFICATIONS 94 14 C...

Страница 6: ...ging material for possible future dispatch or storage 2 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 m...

Страница 7: ...mands 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 return In the f...

Страница 8: ...onnection is es tablished The connection to the remote ter minal is established Carrier de tected RX TX Receive Transmit Green No data exchange Date is exchanged via the modem 4 2 Top Terminal Meaning...

Страница 9: ...lines e g outside line or private branch ex change a2 and b2 are used to connect a phone in series In idle state they are connected to a1 and b1 via a loop current connector a2 and b2 are disconnected...

Страница 10: ...enu Device Read settings HSComm verifies the connected device and displays the device name and the firmware in the program window By default only those settings can be selected which are implemented i...

Страница 11: ...the message bar of the main window This setting must also be entered at the application e g SPS which is later con nected to the HELMHOLZ modem 56k 4 1 Settings at the HELMHOLZ modem 56k 4 1 Handshake...

Страница 12: ...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 Echo With the setting Echo the mode...

Страница 13: ...d at all times to prevent fire electric shock or personal injury 1 The device may not be used in wet environments damp rooms or close to water e g close to bath tubs wash basins sinks wet floors or sw...

Страница 14: ...ck at the modem with the serial interface of your computer 5 Driver Installation If you use a terminal program or the HSComm program the in stallation of a driver is not necessary If you use another a...

Страница 15: ...r the connected modem 9 Connection to the telephone network Connect the phone outlet and the modem with the sup plied phone cord 10 Connection Test Establish a connection either to another modem or in...

Страница 16: ...figuration via AT commands Loading the factory settings into the active profile will enable you to easily recover an executable state Loading the user profile 0 Loading the user profile 1 Note Prior t...

Страница 17: ...S17 042 S18 000 S24 000 S36 135 S40 104 S41 195 S46 138 S95 000 User profile 1 STORED PROFILE 1 B3 E1 L1 M1 Q0 T V1 W0 X4 A1 L0 M0 P0 R1 Y0 0 Y1 0 B0 C3 E2 S0 A1 D0 N3 V0 A0 C1 D2 G0 K3 Q5 R1 S0 X0 S...

Страница 18: ...speed on the phone line is performed automatically unless the settings say otherwise During the establishing of a connection both modems attempt to achieve the joint fastest speed on the phone line F...

Страница 19: ...ing and switch to bit direct mode When working with buffers handshake is recommended to avoid transmission errors 5 2 3 Bit direct mode Only for special non standard data formats In bit direct mode th...

Страница 20: ...r falls below a certain fill state it switches the CTS line back ON and reports to the application that it is ready to receive data again 5 2 5 Hardware data flow control with the application RTS Mode...

Страница 21: ...the modem to the application The XON XOFF method is only available when the transmitted data do not con tain the characters XON or XOFF which usually appear only in actual ASCII texts 7 bit When binar...

Страница 22: ...2 hours In this case the modem must be temporarily switched off The counter is automatically reset after each successfully estab lished connection After the connection has been established a dial dela...

Страница 23: ...odem without error correction The modem can then autonomously adjust to the partner 5 3 2 MNP 2 3 4 error correction The MNP error correction can either be set automatically or ac tivated via AT comma...

Страница 24: ...em V 42bis cannot re pack packed data 5 4 2 MNP 5 data compression The modem masters the Microcom Networking Protocol Level 5 MNP 5 data compression can only be performed for an error corrected MNP 4...

Страница 25: ...te phone list for the selective call ac ceptance The list of phone numbers has 8 storage locations alto gether N0 to N7 Only if the transmitted phone num ber nr matches a phone number that was entered...

Страница 26: ...umber 456 Display the last phone number whose call was re jected This phone number is not saved in the power fail safe memory of the modem i e after a restart of the modem the display will be empty 5...

Страница 27: ...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 If the pulse input INPUT1 is activated the HELMHOLZ modem...

Страница 28: ...28 Helmholz Modem 56k 4 1 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 1 0...

Страница 29: ...ta Connection AT M0 SMS to Mobile PET 8N1 D1 or E Network AT M1 SMS to Mobile UCP 7E1 AT M2 SMS to Mobile PET 7E1 AT M3 SMS to Mobile UCP 8N1 D2 network AT M4 Fax AT M5 SMS to Mobile or Fixed Network...

Страница 30: ...ansmission all in all 3 attempts factory default are made The values 1 12 can be changed with the S registry S13 When the alarm is triggered via SMS the modem will return a status Message was successf...

Страница 31: ...mend using only error corrected connections for the remote configuration to avoid transfer errors for the commands The local modem is not required to master any remote configura tion type 5 9 2 Remote...

Страница 32: ...duced command set Some commands may not be executed during remote configuration and will result in a response 5 9 6 Terminate the remote configuration process Before you complete the remote configurat...

Страница 33: ...Frequency the sta tus of inputs and outputs can be queried 5 10 1 Preparation Activate DTMF mode Deactivate DTMF mode Save settings optional After the activation the modem is set into receive mode fo...

Страница 34: ...one invalid command The following commands can be performed via the phone keys Key Meaning 0 Terminate connection 1 x Control switch output 1 x 1 Set switch output 1 0 Reset switch output 1 Return OK...

Страница 35: ...ion Deactivate password protection Configuration with HSComm 5 11 3 Security callback The feature Security Callback will cause the remote modem to hang up and call back a preset number This function w...

Страница 36: ...RTY After the password has been entered correctly the modem hangs up and after about 10 seconds dials the stored phone number Altogether 3 dialing attempts with a pause of 10 se conds between each att...

Страница 37: ...tween 1 and 255 seconds may be set 5 12 2 Mode of Operation for the Timer The timer will run immediately after the modem goes off hook After the set time has been reached a RESET is per formed The tim...

Страница 38: ...Function 3 Chap 5 13 1 Chap 5 13 2 Chap 0 AT STE 0 default AT STE 1 AT STE 2 AT STE 3 AT STE 4 AT STE 5 AT STE 6 AT STE 7 5 13 1 Detecting a busy phone Line During a dial up attempt the model detects...

Страница 39: ...he function Off hook on account of a telephone connected in series U2 can be set with the help of AT commands Note The detection starts immediately after the handset is picked up To access the exchang...

Страница 40: ...tage to detect the function Remote Terminal Connection Abort U3 can be set with the help of AT commands Note This detection is based on the change of the loop voltage AT TTE U1 U2 U3 It will not work...

Страница 41: ...ied at SYSTEME HELMHOLZ GMBH E mail info helmholz de HSComm offers a range of recommended settings for the modems connected at the PLC or the PC at the control center If control is selected in the men...

Страница 42: ...e firmware update of the HELMHOLZ Modem 56k 4 1 without switching the EEPROM The new ver sion is available from your service partner Query of the used firmware Unpack the file into any directory and s...

Страница 43: ...rmware update you will need a PC and a terminal program The terminal program must be able to perform an ASCII upload ASCII data transmission protocol Setting the hardware flow control is mandatory For...

Страница 44: ...S37 Completion of the loading procedure The process is finished Monitoring of Results The transfer process is indicated by dots on the monitor of the terminal program Note For the terminal program Tel...

Страница 45: ...r at The command line is evaluated after the modem re ceives a Return command In the description a parameter with the letter n means that it can have various values For example ATL n where n can have...

Страница 46: ...irrespective of S0 AT A1 Call acceptance according to S0 default Note see also S Registry 36 bit 7 AT A n Selective Call Answer On or Off To evaluate selective call answer the phone number must be tr...

Страница 47: ...signal AT B6 6 10 second break signal AT B7 7 10 second break signal AT B8 8 10 second break signal AT B9 9 10 second break signal AT B n Switch key abort on and off during connection AT B0 Key abort...

Страница 48: ...TMF This PIN secured the functions when the alarm inputs are remotely switched via SMS and for remote query of the alarm inputs OLD PIN Requires the old PIN default 1234 Wrong input leads to ER ROR NE...

Страница 49: ...service center is defined by AT Z0 the SCA field in the PDU string is ignored Message header confirmation SMS and validity period are not supported Data coding scheme Only the default alphabet is sup...

Страница 50: ...he command AT FRH had been executed The following characters may be transmitted as parameters brackets punctuation marks spaces and semicolons are ignored 0 to 9 The digits from 0 to 9 The asterisk On...

Страница 51: ...then goes off hook again Suppresses the sending of a ringing tone ATD12345 The semicolon causes the return to the input mode after dialing Default Ringing tone is sent for fax operation No ringing ton...

Страница 52: ...een executed A preceded AT Y command decides if either the default 0 or 1 is loaded AT D n DTMF mode activation deactivation AT D0 Switch off DTMF mode default AT D1 Switch on DTMF mode When the DTMF...

Страница 53: ...sion AT DS44 0 Deactivates V 44 data compression AT DS44 3 Activates V 44 data compression default ATE n Command entry Echo This command toggles the responses which the modem creates as reactions from...

Страница 54: ...s during the MNP10 connection setup before the modems enter the MNP 10 mode AT H0 Connection setup takes place with the highest possible speed de fault AT H1 Connection setup takes place with 1 200 bp...

Страница 55: ...ake Fax operation default is RTS CTS AT K0 No data flow control AT K3 Select data flow control RTS CTS default AT K4 Select data flow control XON XOFF AT K5 Select transparent data flow control XON XO...

Страница 56: ...into command mode by an escape sequence In this condition the command AT B will send a break to the other modem In this situation the parame ter n will cause the following AT K0 Modem deletes the dat...

Страница 57: ...ff AT L1 the modem will always establish the con nection on the phone side with the maximum possible speed or the speed defined with AT MS irrespective of the data rate at the serial interface This me...

Страница 58: ...on check AT MS Modu lation Automode Send Min baud Send Maxbaud Receive Minbaud Receive Max baud Select modulation type AT MS determines the modulation type The command enables or disables auto matic m...

Страница 59: ...ptional parameter automode determines whether the modem automatically adjusts to the desired modulation type The following values may be used 0 Automatic modulation adjustment switched off 1 Automatic...

Страница 60: ...to a certain mobile phone network but sends SMS to any mobile or fixed network phone Note For the remote terminals AT M1 to AT M4 only recipients in the network of one GSM provider may be addressed Yo...

Страница 61: ...ows all calls ending with 1234 E g 0175 9991234 0941 8881234 or 4940 7771234 AT N1 01234567 permits all calls from the block of num bers 01234567 00 to 01234567 99 AT N99 Delete the list of permitted...

Страница 62: ...t ATQ1 Don t send messages to application AT Q Display telephone call quality Displays the quality of the data connection deviation from the eye diagram Low values indicate a good line quality The lin...

Страница 63: ...r This command determines how the modem treats the RTS CTS CT105 CT106 data flow control lines See also command AT K AT R0 CTS behavior complies with V 25bis CTS is deactivated during the connection s...

Страница 64: ...ansmission speed at the serial interface The settings can be selected with this command This will however not switch off the automatic detection As soon as an AT is recognized the serial interface wil...

Страница 65: ...ction The telephone is connected to the line and receives a dialing tone 3 Remote terminal connection abort When the remote terminal aborts a connection the modem will immediately hang up Command Func...

Страница 66: ...eed and protocol If no AT is sent the selected protocol is maintained until a hardware reset is per formed If the selected protocol should be maintained longer it must be stored with AT W This command...

Страница 67: ...he common alarm texts collective message The common part of the alarm message is queried with the command AT V AT V n Definition of the variable alarm texts and phone numbers Definition of the alarm t...

Страница 68: ...lays the used data compression method The ex ample shows the used compression method V 42bis the compression method can be set with the command AT C LINE QUALITY Displays the quality of the data conne...

Страница 69: ...D preformatted for calls AT VCID 2 Switches the CLIP function ON and displays the ID unformatted for calls AT VRID n Set last received CLIP The command AT VRID displays the CLIP of the last caller AT...

Страница 70: ...empt without the presence of a dialing tone leads to the message NO DIALTONE No detection of the busy signal i e when calling a busy line the message NO CARRIER is displayed ATX3 No detection of the d...

Страница 71: ...alarm functions and security callback AT Z0 xxx Number of the modem or fax for a simple alarm message Service center number of the GSM provider for SMS access AT Z1 xxx Enter the callback number for s...

Страница 72: ...X X X X X 3 NO CARRIER X X X X X 4 ERROR X X X X X 5 CONNECT 1200 1 X X X X 6 NO DIAL TONE 3 3 X 3 X 7 BUSY 3 3 3 X X 8 NO ANSWER 1 X X X X 9 CONNECT 600 1 X X X X 10 CONNECT 2400 1 X X X X 11 CONNEC...

Страница 73: ...X 59 CONNECT 16800 1 X X X X 61 CONNECT 21600 1 X X X X 62 CONNECT 24000 1 X X X X 63 CONNECT 26400 1 X X X X 64 CONNECT 28800 1 X X X X 66 COMPRESSION CLASS 5 X X X X X 67 COMPRESSION V 42 bis X X X...

Страница 74: ...NECT 230400 X X X X X 180 CARRIER 28000 X X X X X 181 CARRIER 29333 X X X X X 182 CARRIER 30667 X X X X X 183 CARRIER 33333 X X X X X 184 CARRIER 34667 X X X X X 185 CARRIER 37333 X X X X X 186 CARRIE...

Страница 75: ...gs 0 5 5 S1 Ring counter rings 0 255 0 S2 Escape character ASCII 0 255 43 S3 Return character ASCII 0 127 13 S4 Line feed character ASCII 0 127 10 S5 Backspace character ASCII 0 255 8 S6 Waiting time...

Страница 76: ...0 S31 General settings 192 S36 Resetting the error protocols 135 S38 Time until forced hang up s 0 255 20 S39 Flow control 3 S40 General settings 104 S41 General settings 195 S46 Data compression 138...

Страница 77: ...Backspace character S6 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 detec...

Страница 78: ...in tenth of seconds which the modem awaits to disconnect if it can t de tect the carrier frequency from the other modem anymore S12 Transmission clock of the ESC characters Minimum pre and post run ti...

Страница 79: ...ch will forcibly lead to the hanging up of the modem S17 Initial character for remote configuration In S17 the ASCII code of a character which is used to start the remote configura tion is defined Val...

Страница 80: ...rgy saving mode will be quit as soon as characters are sent to the modem or when a call comes in Note When the modem is in sleep mode it is necessary to send an AT command before sending other command...

Страница 81: ...ne baud rate ATW1 2 Only phone baud rate ATW2 Bit 4 7 Reserved S36 Reset of error logs Bit Meaning Bit 0 2 determines what happens if an attempt to establish a V 42 LAP M connection fails It is connec...

Страница 82: ...d 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...

Страница 83: ...ent code is written into this registry 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 Rem...

Страница 84: ...and 15 The connection can in some cases be improved by decreasing the transmit level S91 0 Transmit level 0 dBm S91 15 Transmit level 15 dBm Note The range and the default value depend on the country...

Страница 85: ...rmation is available from the customer service center of the provider 10 1 SMS as Fax SMS format This is a test This is a test FAX This is a test Example 990941586920 0941586920 0941586920 Phone numbe...

Страница 86: ...test abc defg de This is a test E mail address abc defg de abc defg de SMS format E mail address space text Text E mail address space text Phone number 8000 E mail ad dress 555 Service center 0193010...

Страница 87: ...ng command ATD has been entered and reports the error No Dial tone The modem is operated at a PBX The PBX requires that a code number is dialed to estab lish a connection or that the flash function is...

Страница 88: ...a particular commu nication program The communication program expects a certain data flow con trol type The modem has not been set to the required type Setting the modem to the re quired data flow con...

Страница 89: ...r failure occurs the device will not be operational We rec ommend providing a separate circuit for the HELMHOLZ Modem 56k 4 1 If other devices experience short circuits the HELMHOLZ Modem 56k 4 1 will...

Страница 90: ...ecified 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 HELM...

Страница 91: ...DTE 1 DCD AT C Data Carrier Detect 109 CF M5 O 2 RXD Receive Data 104 BB D2 O 3 TXD Transmit Data 103 BA D1 I 4 DTR AT D Data Terminal Ready 108 CD S1 I 5 GND Ground 102 AB E2 6 DSR AT S Data set read...

Страница 92: ...6 NC Meaning of the Signals a1 b1 Incoming phone lines e g exchange connection or PBX a2 b2 they are used to connect a telephone in series In idle state a2 and b2 are connected with a1 and b1 via a l...

Страница 93: ...600 bps or fallback 31 200 28 800 26 400 24 000 21 600 19 200 16 800 14 400 bps V 42 Error protection method for DCE s with asynchronous to synchronous conversion V42bis Data compression method V 90 R...

Страница 94: ...nal 5V Type 0 5 mA 13 8 2 Switch output Potential free relay switches maximum switch voltage 30 V DC 42 V AC maximum current load 1 A DC 0 5 A AC 13 9 Certifications The HELMHOLZ Modem 56k 4 1 bears t...

Страница 95: ...LZ modem 56k 4 1 Country Standard coun tries Extended country groups Europe TBR21 FD default FD default Egypt 36 Ethiopia FE Albania B8 Algeria FE Andorra FD FD Argentina 07 Australia 09 Bangladesh FE...

Страница 96: ...FD Greenland 31 Great Britain FD B4 FD Guatemala FE Honduras FE Hong Kong 50 India 53 Indonesia 54 Ireland FD 57 FD Iceland FD 52 FD Israel 58 Italy FD 59 FD ITU Taiwan FE Jamaica B4 Japan 00 Yemen F...

Страница 97: ...B4 Malaysia 6C Malta B4 Mauritania FE Mauritius B4 Macedonia FE Mexico 73 Monaco FD FD Moldavia B8 Montenegro FE New Zealand 7E Nicaragua FE Netherlands FD 7B FD Niger 3D Nigeria 81 Norway FD 82 Oman...

Страница 98: ...land A9 Czech Republic 2E Turkey AE Tunisia FE Uganda B4 Ukraine FE Hungary 51 Uruguay B7 USA B5 Venezuela BB United Arab Emirates B3 Belarus FE Cyprus 2D The standard TBR21 applies to all public phon...

Страница 99: ...Helmholz Modem 56k 4 1 99...

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