Multitech Modem Module MT3334SMI Скачать руководство пользователя страница 29 | Manualshive

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Chapter 2 - AT Commands, S-Registers, and Result Codes

MT3334SMI

29

S43

decimal 0–1

1

For testing and debugging only. Enables/disables V.32bis start-up auto mode
operation. 0 = disable; 1 = enable.

S48

decimal 7 or 128 7

Enables (7) or disables (128) LAPM negotiation. The following table lists the S36
and S48 configuration settings for certain types of connections.

S48=7

S48=128

LAPM or async

Async

LAPM or hangup

Do not use

LAPM, MNP, or aysnc

LAPM, MNP, or hangup

MNP or hangup

MNP or async

S36=0, 2

S36=1, 3

S36=4, 6

S36=5, 7

S89

seconds 0, 5–25510

Sets the length of time in the off-line command mode before the modem goes into
standby mode. A value of zero prevents standby mode; a value of 1–4 sets the
value to 5.

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Содержание Modem Module MT3334SMI

Страница 1: ...ModemModule Model MT3334SMI Evaluation Kit Data Fax Socketed Modem Developer s Guide...

Страница 2: ...n A 10 22 99 B Added the V command to the AT command set and added Appendix B which provides 12 10 99 instructions for developing a customized flash prgramming utility All pages at revision B Patents...

Страница 3: ...Class 1 Fax Command Summary 32 Chapter 4 Class 2 Fax Commands Introduction 42 Class 2 Fax Command Implementation 42 Class 2 Fax Commands EIA SP 2388 August 1990 42 Chapter 5 Remote Configuration Intr...

Страница 4: ...nternational Modem Restrictions 65 EMC Safety and Terminal Directive Compliance 66 European Directives User Guide Statement 66 New Zealand Telecom Warning Notice 66 Appendix B Multi Tech Flash Program...

Страница 5: ...Chapter 1 Introduction and Description...

Страница 6: ...the MT3334SMI in relationship to Multi Tech s Demo board used for integrating data and fax communications It provides Low power consumption A serial TTL level interface Full featured fax and datacomm...

Страница 7: ...es data mode command mode and online command mode V 54 Test mode Flow Control XON XOFF software RTS CTS hardware Intelligent Features Fully AT command compatible autodial redial repeat dial pulse or t...

Страница 8: ...ax Carrier V 21 Ch2 half duplex Frequencies 1650 Hz mark 1850 HZ space for transmit originate 1650 HZ mark 1850 Hz space for transmit answer V 27ter 1800 Hz originate answer V 29 QAM 1800 Hz originate...

Страница 9: ...SOLDER SIDE 945 REF 24 062 1 57 354 8 99 050 1 27 050 1 27 1 045 26 54 079 2 01 286 7 26 1 861 47 27 079 TYP 2 01 995 25 27 1 861 47 27 2 019 51 28 2 256 57 3 2 550 64 77 Figure 1 2 MT3334SMI Physical...

Страница 10: ...Developer s Guide manual etc Figure 1 3 illustrates the demo test board and Figure 1 4 illustrates the Test Demo board block diagram LED 4 LED 3 LED 2 LED 1 DS1 J4 J5 J3 J6 J1 S1 J7 J2 Figure 1 4 MT3...

Страница 11: ...3334SMI 11 Test Demo Board Block Diagram Speaker DS1 Socket Modem Power Supply Power Switch Power Connector RJ 11 Connector DB 25 RS 232 LEDs Volume Control Tip Ring Fuse Transceiver RS 232 Figure 1 4...

Страница 12: ...udio circuit for call progress monitoring LED driver for call status annunciation and serial interface via TTL level signals RESET DGND DCDIND RXIND DTRIND TXIND 24 26 29 30 31 32 DLED SPKR AGND VCC A...

Страница 13: ...s LEDs RX Output 31 External Call Status LEDs DTR Output 32 External Call Status LEDs TX Output 33 Serial TTL RTS Input 34 Serial TTL RXD Output 35 Serial TTL TXD Input 36 Serial TTL RI Output 37 Seri...

Страница 14: ...reduce the common mode emissions that may be present in certain systems The ferrite and capacitors also aid in reducing the effects of transients that may be present on the line Recommended Ferrite Ma...

Страница 15: ...edited KTL Dallas Inc laboratory and conforms to the above said standards The modem module was tested in the MultiTech MTASR3 200 a 3 modem asynchronous router that uses three socket modems for dial u...

Страница 16: ...4 Pad 0 125 3 175 Non Plated 1 732 44 750 19 05 0787 TYP 2 145 3 683 945 24 003 G Note The modem should be placed with the analog pins as close as possible to the line jack F Figure 1 8 Placing the MT...

Страница 17: ...registered protective circuitry shall have prominently displayed on an outside surface the following information in the following format Complies With Part 68 FCC Rules FCC Registration Number ______...

Страница 18: ...ication label identifies certified equipment to the public representatives of the telecommunications common carriers the Department and other interested parties The label must be permanently affixed t...

Страница 19: ...Chapter 2 AT Commands S Registers and Result Codes...

Страница 20: ...The format for entering an AT command is ATXn where X is the command and n is the specific value for the command sometimes called the command parameter The value is always a number If the value is zer...

Страница 21: ...ause during dialing for time set in register S8 Return to command mode after dialing Place at end of dial string Hook flash Causes the modem to go on hook for one half second then off hook again Wait...

Страница 22: ...peaker always on when modem is off hook M3 Speaker on until carrier is detected except while dialing Command Nn Modulation Handshake Values n 0 or 1 Default 1 Description N0 Modem performs handshake o...

Страница 23: ...e g CONNECT 46000 V42bis does not look for dial tone or busy signal X2 Extended result codes with NO DIALTONE does not look for busy signal X3 Extended result codes with BUSY does not look for dial t...

Страница 24: ...uffering Same as N3 Q6 Asynchronous with data buffering Same as N0 Q8 MNP error control mode If MNP error control is not established the modem falls back according to the setting in S36 Q9 V 42 or MNP...

Страница 25: ...l port speed is forced to the line speed Command Kn Break Control Values n 0 5 Default 5 Description Controls the response of the modem to a break received from the computer the remote modem or the B...

Страница 26: ...ived that the modem waits before disconnecting A value of zero disables the timer Applies only in buffer mode Note You can also set the inactivity timer by changing the value of S30 Command Vn Protoco...

Страница 27: ...flow the modem sends HDLC flag idle 0x7E to the remote modem This special error control mode is overridden by any of the following commands F M Q or N AT ES shows the only allowed value AT ES shows th...

Страница 28: ...t for silence time for the dial modifier S8 seconds 0 65 2 Sets the length of a pause caused by a comma character in a dialing command S9 decimal 0 1 127 37 Sets ASCII code for remote configuration es...

Страница 29: ...tion The following table lists the S36 and S48 configuration settings for certain types of connections S48 7 S48 128 LAPM or async Async LAPM or hangup Do not use LAPM MNP or aysnc LAPM MNP or hangup...

Страница 30: ...0 bps 24 CONNECT 7200 Connected at 7200 bps 25 CONNECT 12000 Connected at 12000 bps 26 CONNECT 16800 Connected at 16800 bps 40 CONNECT 300 Connected at 300 bps 55 CONNECT 21600 Connected at 21600 bps...

Страница 31: ...Chapter 3 Class 1 Fax Commands...

Страница 32: ...ata providing a largely error free protocol Class 1 Fax Command Summary The ModemModule Fax Class 1 enhancements are implemented with six AT F for Fax commands The FTM FRM FTH and FRH commands must be...

Страница 33: ...Enter Function Display Current Class Values 0 1 2 Default 0 data modem Result Codes OK if the command is accepted ERROR if the parameter value is out of range Description FCLASS requests the current...

Страница 34: ...Note The FTS command can be entered anywhere in the command string Command FTS Enter Function Display the wait for silent time range Values time 0 255 in 10 ms intervals Default 0 Result Codes the cu...

Страница 35: ...e last command in the command string i e it must be followed by the Enter key Command FTM Enter Function Display the range of valid transmit data modulation values Values MOD 3 24 48 72 73 74 96 97 98...

Страница 36: ...alues Values MOD 3 24 48 72 73 74 96 97 98 121 122 145 146 Default 3 V 21 ch 2 300 bps Result Codes the current range of valid values supported by the modem Description The FTH command causes the mode...

Страница 37: ...modem s default flow control method Result Codes Your Class 1 ModemModule can respond with the basic set of result codes OK CONNECT NO CARRIER and ERROR with only minor differences in meaning for fax...

Страница 38: ...Drop carrier AT FTS 8 FTM 96 Wait 80 msec CONNECT Send V 29 carrier Detect carrier TCF data pattern Send TCF data Get TCF data DLE ETX OK Drop carrier AT FRH 3 Detect carrier Send V 21 carrier CONNEC...

Страница 39: ...carrier Send V 29 carrier TCF data Receive TCF Send TCF data DLE ETX Detect carrier loss Drop carrier NO CARRIER AT FTH 3 Send V 21 carrier Detects carrier CONNECT Send flags Detects flags CFRframe da...

Страница 40: ...ModemModule Developer s Guide MT3334SMI 40...

Страница 41: ...Chapter 4 Class 2 Fax Commands...

Страница 42: ...0 as specified by EIA subcommittee TR29 2 It involves a set of new commands responses and procedures Class 2 Fax Commands EIA SP 2388 August 1990 The Lucent L56xVCS Chip Set supports fax Class 2 Augus...

Страница 43: ...Phase B D data 2 Direct bit order for Phase C data and reversed bit order for Phase B D data 3 Reversed bit order for both Phase C data and for Phase B D data Note Direct bit order First bit transferr...

Страница 44: ...0 1728 pixels in 215 mm LN Page length 0 A4 297 mm 2 Unlimited length DF Data compression format 0 1 D modified Huffman EC Error correction 0 Disable ECM BF Binary file transfer 0 Disable BFT ST Scan...

Страница 45: ...0 ms 20 ms 7 40 ms 40 ms FDFFC Data Compression Format Conversion Command syntax FDFFC value 0 Disable mismatch checking The DTE must check the FDCS DF subparameter and transfer matching data FDIS Cur...

Страница 46: ...hase C Data Transmission Command syntax FDT This command prefixes Phase C data reception FECM Error Correction Mode Control Command syntax FECM value 0 Error correcting mode disabled FET Transmit Page...

Страница 47: ...characters This command causes the modem to send one or more lines of information text which is used to identify the product FMFR Manufacturer Identification Command syntax FMFR Response value The inf...

Страница 48: ...ata bits zero bits or other leading data FSPL Request to Poll Command syntax FSPL value 0 Indicates that the DTE does not want to poll FTBC Phase C Transmit Data Block Size Command syntax FTBC value 0...

Страница 49: ...mmand description FTSI Report the Remote ID Syntax FTSI TSI ID string Usage Reports the transmitting station s ID For More Information To obtain Data and Fax specifications and standards e g Class 1 d...

Страница 50: ...ModemModule Developer s Guide MT3334SMI 50...

Страница 51: ...Chapter 5 Remote Configuration...

Страница 52: ...ON If you hang up while you are in remote configuration mode it may lock up the remote modem Setup Multi Tech modems are shipped with a default setup password MTSMODEM Because anyone who has an owner...

Страница 53: ...the ASCII code for the percent character Setting S9 to 0 zero disables remote configuration entirely but if you do this remotely you won t be able to change it back remotely 1 Establish a remote conf...

Страница 54: ...ModemModule User Guide MT3334SMI 54...

Страница 55: ...Chapter 6 Troubleshooting...

Страница 56: ...Test V 54 Loop 3 In this test data from your computer or terminal is sent to your modem s transmitter converted into analog form looped back to the modem s receiver converted into digital form and th...

Страница 57: ...communications software and go into terminal mode Type AT and press ENTER you should get an OK message Type AT N and press ENTER to disable error correction 3 Dial the remote modem and establish your...

Страница 58: ...3 Type the escape sequence AT and press ENTER to bring your modem into online command mode 4 Type AT T3 and press ENTER Once you receive an OK message from your modem if responses are enabled your mo...

Страница 59: ...Chapter 7 Upgrade Procedure...

Страница 60: ...modem to know whether you should update it 1 Run your favorite terminal program If you are using Windows 95 98 or Windows NT you can use HyperTerminal If you are using Windows 3 11 you can use Window...

Страница 61: ...ber appears 10 Look at the version number for your modem 11 If the version number matches the firmware version number found in Step 1 Identify the Modem Firmware your modem has the current firmware ve...

Страница 62: ...r your stored parameters and reset your modem to factory default 5 Close the terminal program Step 6 Use FlashPro to Upgrade Modem Firmware At various times Multi Tech may add enhancements and or fixe...

Страница 63: ...Appendixes...

Страница 64: ...phone network the telephone company will notify you in advance that temporary discontinuance of service may be required But if advance notice is not practical the telephone company will notify the cus...

Страница 65: ...ic inspection authority or electrician as appropriate The ringer equivalence number REN assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connect...

Страница 66: ...n to its network It indicates no endorsement of the product by Telecom nor does it provide any sort of warranty Above all it provides no assurance that any item will work correctly in all respects wit...

Страница 67: ...from AT mode or right when the modem powers up Below is an example of how a modem is programmed DTE Modem Comments AT FS r This effectively restarts the modem so that it enters the boot code Handshak...

Страница 68: ...ogrammed and verified nERROR r n If verify fails or checksum is bad Retry the block 3 times on an ERROR More of the above sequence until all the data bytes have been sent to the modem ATFLEND r This e...

Страница 69: ...ent record types Extended Address Records Data Records and End of File Records Data records contain the actual data that is to be programmed into a device The address contained in the data record need...

Страница 70: ...inus the two s complement addition of all data hex values 16 17 End of Line r n Carriage Return followed by a Line Feed Example Extended Address Record in Intel Format 020000021000EC End of File Recor...

Страница 71: ...M 22 N 22 O 22 52 53 P 22 Q 22 S 22 S 23 T 23 V 23 W 23 X 23 Z 23 Attention code 20 Autoanswer 20 28 B Backspace character setting 28 Bell 212A mode 21 Blacklisting 26 Break Control command 25 Break...

Страница 72: ...tings command 24 DSR Control command 24 DTR Control command 23 DTR Dialing command 27 E Echo Command Mode Characters command 21 Echo Online Data Characters command 21 EMC Safety and Terminal Directive...

Страница 73: ...rn Online to Data Mode command 22 Rings setting number of 28 ROM checksum 22 S S registers 28 reading 23 S0 28 S1 28 S10 28 S11 28 S2 28 S28 28 S3 28 S30 28 S35 28 S36 28 S37 28 S4 28 S43 29 S48 29 S5...

Страница 74: ...e 21 V 22bis Guard Tone Control command 24 V 25 data calling tone 26 28 V 34 modulation enabling 28 V 42 error correction 26 V 42bis data compression 26 V 54 tests 56 Video 27 View Numbers in Blacklis...

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