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Connectivity

Beyond Limits

DAVICOM Semiconductor, Inc.

DM562AP

Integrated Data/Fax/Voice/Speakerphone Modem

Operation Manual &

AT Command Set

                                                    

                                        

    

Preliminary

 

   Version: DM562AP-MA-P01

             February 2, 2004

Summary of Contents for DM562AP

Page 1: ...Connectivity Beyond Limits DAVICOM Semiconductor Inc DM562AP Integrated Data Fax Voice Speakerphone Modem Operation Manual AT Command Set Preliminary Version DM562AP MA P01 February 2 2004 ...

Page 2: ...ckage 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 V 17 Class 1 Command b Fax V 34 Class 1 Command c V 34 Fax Sample Session d V 34 Fax Half Duplex and T 30 Annex F Procedure s...

Page 3: ...ble protection against such interference in a residential environment However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference 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 th...

Page 4: ...uld affect the proper operation of your equipment If such changes are planned you will be given advance notice so as to give you an opportunity to maintain uninterrupted service 5 If you experience 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 ar...

Page 5: ...ecording 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 com...

Page 6: ...ck marked as LINE jack on the bracket of the modem and 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 jac...

Page 7: ...ERMINAL and CONNECTION DESCRIPTION windows show up 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...

Page 8: ...ignal is lost or intentionally dropped the connection the modem hangs up and re enters the command state While the modem is on line you 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 ...

Page 9: ... by entering AT F9 AT Command Syntax With two exceptions all AT commands are prefixed with AT uppercase or lowercase even odd none mark 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...

Page 10: ...switch from data mode to command mode you can pause 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...

Page 11: ... remote modem data carrier signal Dn Data Terminal Ready DTR Signal Handling D0 Modem ignores the Data Terminal Ready signal from host D1 Modem 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 re...

Page 12: ...333bps 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 Selects connect speed V 90 53...

Page 13: ... 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 Selects V 42 auto reliable link without phase detection Qn Flow Control Selection Q0 Disabl...

Page 14: ...NECT 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 ...

Page 15: ...nds OK result code to the DTE FRS n This command causes the DCE to listen and to report back an OK result code when silence has been present on the line for the amount of time specified FTM n Transmit data using the modulation defined 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...

Page 16: ...esults if this command is issued while the modem is on hook FRH 3 V 21 channel 2 300bps FRH 24 V 27 ter 2400bps FRH 48 V 27 ter 4800bps FRH 72 V 29 ter 7200bps FRH 73 V 17 ter 7200bps long FRH 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 ...

Page 17: ...efined for maxp the default value 0 selects the minimum rate supported by the DCE 2400 bit s in Recommendation V 34 prefc is the preferred rate that the DCE may use for the control channel receive rate in units of 1200 bit s Valid prefc values are 1 1200 bit s and 2 2400 bit s and 0 no preference specified The default value is 0 Transparent data commands DLE DLE 10H substitute one 10h pattern DLE ...

Page 18: ... reduced CC rate PPS MPS DLE ETX send PPS MPS get PPS MPS MCF DLE ETX get MCF send MCF DCN DLE ETX send DCN get DCN DLE EOT OK terminate V 34 channel detect V 34 channel termination ATH OK hang up Answer and receive a 2 page facsimile with V 34 half duplex DTE commands and data DCE indications and data DCE actions Remote terminal actions Notes AT FCLASS 1 0 OK select Class 1 ATS0 1 OK Auto Answer ...

Page 19: ...AP Operation Manual AT Command Set Integrated Data Fax Voice Speakerphone Modem Preliminary 19 Version DM562AP MA P01 February 2 2004 ATH Hang up V 34 Half Duplex and T 30 Annex F Procedures service Class 1 ...

Page 20: ...a RxD State Host Commands and data TxD Modem Indications and data RxD T 31 T 31 S1 AT A8E 3 OK R1 AT A8E 2 OK AT FCLASS 1 0 OK AT FCLASS 1 0 OK AT F34 14 4 2 OK AT F34 10 OK ATDT Phone Num A8A 1 RING 1 sec delay ATA A8M 8185D490 OK OK A8M 8185D490 A8J 1 OK F34 10 1 A8J 1 T 31 F34 14 2 R2 CONNECT T 31 DLE ctrl CONNECT DLE P224 S2 DLE ctrl DLE C12 DLE p336 T 30 DLE C24 R3 NSF DLE ETX T 30 CSI DLE ET...

Page 21: ...mes S5 FCD frames T 31 RCP flames R6 DLE ctrl T 31 DLE p216 S6 DLE ctrl DLE ctrl DLE C12 DLE p240 T 30 DLE C24 R7 PPS MPS DLE ETX T 30 MCF DLE ETX S7 PPS MPS DLE ETX T 31 MCF DLE ETX R8 DLE pri T 31 DLE p216 DLE pri DLE pri T 30 S8 DLE p240 R9 FCD frames T 30 RCP flames S9 FCD frames T 31 RCP frames R10 DLE ctrl T 31 DLE P216 DLE ctrl DLE c12 S10 DLE p240 T 30 DLE c12 R11 PPS EOP DLE ctrl DLE ETX ...

Page 22: ... 3 12db TL 4 6db TL 5 0db TL 6 6db 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 o...

Page 23: ...cuted successfully ERROR Command 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 DT...

Page 24: ... You can change it to any ASCII value between 0 and 32 or 127 Note Do not set the value of the backspace character between 33 and 126 Register S6 Dial Tone Wait Time Register S6 sets the time to wait after going off hook before dialing 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 secon...

Page 25: ...ime delay required before and after you enter the escape characters The guard time prevents your modem from misinterpreting data as the escape sequecce This value is designated in measurements of 20 ms The default value is 50 which is equivalent to one second although you can change it to between 0 0 seconds to 255 5 1 seconds Register S14 Bit mapped Register Bit mapped register S14 lets you contr...

Page 26: ...mapped Register Bit Function 1 2 3 0 Use 0 300bps DTE data rate 2 Use 1200bps DTE data rate 3 Use 2400bps DTE data rate 4 Use 4800bps DTE data rate 5 Use 9600bps DTE data rate 6 Use 19200bps DTE data rate 7 Use 38400bps or above DTE data rate 4 5 0 Use even parity 1 Use space parity 2 Use odd parity 3 Use mark or none parity 6 7 0 Turn off guard tone G0 default 1 Turn off guard tone G1 2 Use 1800 ...

Page 27: ... Reserved 7 Modem tries to connect using V 42 Alternative Protocol compatible with MNP levels 2 5 If handshaking fails modem tries to connect using a standard asynchronous connection and automatic speed buffering default Register S46 Protocol selection Register S46 defines the protocol selections specified for future negotiation Value Function 136 LAP M only 138 LAP M with adaptive data compressio...

Page 28: ...section may be able to help you identify the source of the problem Turn off 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 2000 and XP check the modem property to mak...

Page 29: ...t the receiver If there is no tone the line connection is need to be checked 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...

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