Davicom DM562P Operation Manual Download

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Connectivity

Beyond Limits

DAVICOM Semiconductor, Inc.

DM562P

Integrated Data/Fax/Voice/Speakerphone Modem

Operation Manual &

AT Command Set

Version: DM562P-MA-P01

August 20, 2002

Summary of Contents for DM562P

Page 1: ...Connectivity Beyond Limits DAVICOM Semiconductor Inc DM562P Integrated Data Fax Voice Speakerphone Modem Operation Manual AT Command Set Version DM562P MA P01 August 20 2002 ...

Page 2: ...ing the Modem to the Telephone Line Installing a Software Package Checking the Installation Initialization String Set up Chapter 3 AT commands and S Registers Functional States Configuration Profiles AT Command Syntax AT Command set Part I Data command a General Command b V 42bis MNP 5 Command c Result Code Part II Fax Command a Fax Class 1 Command Part III Voice Command a Voice Command b Shielded...

Page 3: ...nterference to radio or television which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorienting the receiving antenna Relocating the modem with respect to the receiver Moving the modem away from the receiver Plugging the modem into a different outlet so that the modem and receiver are conn...

Page 4: ...ence trouble with this modem contact your dealer for repair warranty information The telephone company may ask you to disconnect this equipment from the network until the problem has been corrected or you are sure that the equipment is not malfunctioning 6 Repairs that customers can make include replacing fuses or plug in cards 7 This equipment may not be used on coin service telephones provided b...

Page 5: ...ording the message from remote telephone users As Speakerphone modem if hardware supports it provides the all functions as Voice modem above and with external speaker and microphone it provides user the hand free and conference speaker phone functions The Modem functions as a 56 000 bits per data modem a 14 400 bits per second fax modem with 115 200 bits per second data rate to and from your compu...

Page 6: ...nd the other end of phone cord to the phone jack in the wall If you wish you may connect a telephone set or your telephone devices to the modem so that both modem and your telephone devices are connected to a single wall jack To connect your telephone devices to modem simply plug the modular phone cord of your telephone devices into the PHONE jack on the bracket of the modem 5 Turn on the modem an...

Page 7: ...14 Follow the prompt to make your first connection 8 b Windows 3 x or DOS Run the communication software provided with the modem Put the computer in terminal emulation mode so that the computer functions as a terminal To check whether your computer and modem are communicating properly either enter AT and carriage return The modem should respond by displaying the letters OK one the computer screen ...

Page 8: ...ou can temporarily exit the on line state and enter the on line command state from which limit set of AT commands can be entered to interrogate the modem current settings and make sure the connection is what is supposed to be and to disconnect the line gracefully To enter the on line command state wait 1 second type wait another 1 second and type AT carriage return this procedure is called Time In...

Page 9: ...rk or space parity do not matter which stands for ATtention command body list in the following sections and command line terminator most commonly used is carriage return The two exceptions are the A command which is used to repeat the last command and the which cause modem goes into on line command state There are 40 characters length limitation post on every single command line Any command line e...

Page 10: ...one second and type Do not follow with carriage return The default ASCII character is decimal 43 You can change register S2 to any value from 0 to 255 Values greater than 127 disable the escape feature and prevent you from returning to the Command Mode Please refer to S2 and S12 Hn Hook control H0 Modem is on hook disconnect from line H1 Modem is off hook connect to line In Identification I0 Displ...

Page 11: ...odem returns to Command Mode and asynchronous operation following an ON to OFF Data Terminal Ready transition D2 Modem hangs up returns to the Command Mode and prepares for asynchronous operation following an ON to OFF Data Terminal Ready transition D3 Modem resets following an ON to OFF Data Terminal Ready transition and retrieves modem default configuration Same as ATZ Fn ROM code Factory Defaul...

Page 12: ...Selects connect speed V 90 37333bps N25 Selects connect speed V 90 41333bps N26 Selects connect speed V 90 42666bps N27 Selects connect speed V 90 44000bps N28 Selects connect speed V 90 45333bps N29 Selects connect speed V 90 46666bps N30 Selects connect speed V 90 48000bps N31 Selects connect speed V 90 49333bps N32 Selects connect speed V 90 50666bps N33 Selects connect speed V 90 52000bps N34 ...

Page 13: ... a Break K4 Same as AT K0 K5 Send a Break in sequence with any data received from host Nn Data Link Selection N0 Selects Normal data link N1 Selects Direct data link N2 Selects MNP Reliable link only N3 Selects MNP Auto reliable link N4 Selects V 42 reliable link with phase detection N5 Selects V 42 auto reliable link with phase detection N6 Selects V 42 reliable link without phase detection N7 Se...

Page 14: ...T 75TX 1200RX 26 x x x x RINGBACK 27 x x x x CONNECT BELL 300 28 x x x x CONNECT V21 29 x x x x Display DCE speed by ATW0 CONNECT 16800 15 x x x x CONNECT 19200 16 x x x x CONNECT 21600 17 x x x x CONNECT 24000 21 x x x x CONNECT 26400 30 x x x x CONNECT 28800 31 x x x x CONNECT 31200 32 x x x x CONNECT 33600 33 x x x x CONNECT 28000 34 x x x x CONNECT 29333 35 x x x x CONNECT 30666 36 x x x x CON...

Page 15: ...efined below An ERROR response code results if this command is issued while the modem is on hook FTM 24 V 27 ter 2400bps FTM 48 V 27 ter 4800bps FTM 72 V 29 ter 7200bps FTM 73 V 17 ter 7200bps long FTM 74 V 17 ter 7200bps short FTM 96 V 29 ter 9600bps FTM 97 V 17 ter 9600bps long FTM 98 V 17 ter 9600bps short FTM 121 V 17 ter 12000bps long FTM 122 V 17 ter 12000bps short FTM 145 V 17 ter 14400bps ...

Page 16: ... 74 V 17 ter 7200bps short FRH 96 V 29 ter 9600bps FRH 97 V 17 ter 9600bps long FRH 98 V 17 ter 9600bps short FRH 121 V 17 ter 12000bps long FRH 122 V 17 ter 12000bps short FRH 145 V 17 ter 14400bps long FRH 146 V 17 ter 14400bps short The Fax class 1 mode Result codes are OK Command valid and executed successfully ERROR Command error and can not be executed CONNECT The DCE has entered the data tr...

Page 17: ...b TL 7 12db TL 8 18db high volume VBQ Query Buffer Size Response 20 VBS Bits Per Sample Selection VBS Returns the current setting of VBS VBS 1 Selects 8 bits PCM VBS 2 Selects 2 bits per sample ADPCM VBS 3 Selects 3 bits per sample ADPCM VBS 4 Selects 4 bits per sample ADPCM VBS 8 Selects 8 bits per sample ADPCM VBT Beep Tone Timer VBT Returns the current setting of the VBT command VBT 0 Disables ...

Page 18: ...error and can not be executed VCON Issued in Voice mode CLS 8 when the modem determines that the remote modem or handset has gone off hook or when returning to on line voice command mode NO ANSWER Issued in Voice mode CLS 8 when the modem determines that the remote modem has not picked up the line after the S7 timer has expired CONNECT When Voice transmission by DTE can begin Voice mode Shielded c...

Page 19: ... the first digit in a Dial command when using the X0 X1 or X3 responses The default time is 2 seconds although you can change it to any value between 2 and 255 seconds This feature is convenient when it takes longer than 2 seconds to obtain a dial tone Register S7 Remote Carrier Signal Wait Time Register S7 decides how many seconds to wait for a remote modem s carrier signal before hanging up The ...

Page 20: ...od and the originate or answer mode Bit Function 0 x Undefined 1 0 Do not echo command E0 1 Echo command E1 default 2 0 Responses appear Q0 default 1 Responses do not appear Q1 3 0 Numeric responses V0 1 Verbose Verbal Responses V1 default 4 x Undefined 5 0 Use touch tone dialing method T default 1 Use pulse dialing method P 6 x Undefined 7 0 Answer incoming calls A 1 Originate calls D default Reg...

Page 21: ... value of this register In this mode the values for this register are 0 to 255 in hundredths of a second and the default value is 0 05 seconds If you will be entering synchronous mode after dialing asynchronously this register determines how long the modem waits before looking for the Data Terminal Ready signal This lets you detach the asynchronous terminal and connect a synchronous terminal while...

Page 22: ...lections specified for future negotiation Value Function 136 LAP M only 138 LAP M with adaptive data compression default Register S82 Break handling Register S82 specifies the break signal method used during V 42 applications The break type to be used depends on the user application Value Function 3 Expedited break signaling regardless of its sequence in data sent and received by each modem Data i...

Page 23: ...ff and on of your system power and start the application software Is there a warning message from the application software If there is warning message shown up check the COM address and IRQ settings of the application software are the same as those for modem or not For Windows 95 98 and NT check the modem property to make sure the modem COM address and the IRQ For the DOS Windows 3 x make sure the...

Page 24: ...ked If there is a tone but not normal dial tone turn system off and on and try again The modem dials but not connect Type AT FZ and re dial the number if there are no modem negotiation sound from the modem the remote side is not a modem Try AT FCLASS 0 and AT CLS 0 to put modem back to data mode If you go through the possible process and the problem is still there it is time to call your dealer to...

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