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E AT Command Summary

CommPlete Communications Server

Command

Values

Description

In dial
command

Flash On-Hook
Exclamation; causes modem to flash on-hook.

In dial
command

Detect Call Card
Causes the modem to pause and wait for an AT&T
call card “bong” or a 1600 Hz tone before
processing the rest of the dial string.

In dial
command

Quiet Answer
Causes modem to wait for a ringback, then 5
seconds of silence before processing next part of
command.

In dial
command

Disable Data Calling Tone Transmission
The modem does not transmit data calling tones.

+++AT<CR>

Escape Sequence

Puts modem in command mode while still remaining
on line. Type +++ followed by the letters A and T, up
to ten command characters and a RETURN.

* Factory default on International model

** Not available on U.K. model

*** Factory default on North American model

Содержание CommPlete MT5634HD8

Страница 1: ...MT5634HD8 User Guide Title MTSLOGOK FH5 Creator FreeHand 5 0 CreationDate Fri Aug 23 16 3 ...

Страница 2: ...changes from time to time in the content hereof without obligation of Multi Tech Systems Inc to notify any person or organization of such revisions or changes Revision Date Description A 5 15 97 Manual released Multi Tech CommPlete RASExpress MultiExpress MultiExpress Fax MultiModem MultiModemZDX MultiModemManager and the Multi Tech logo are trademarks of Multi Tech Systems Inc Other trademarks an...

Страница 3: ...its licensees Unauthorized repairs void registration and warranty Contact Multi Tech Systems Inc for details of how to have repairs made 2 When trouble is experienced you must disconnect your modem from the tele phone company s jack to determine the cause of the trouble and reconnect your modem only when the trouble is corrected 3 The modem cannot be connected to pay telephones or party lines 4 If...

Страница 4: ...t the equipment meets certain telecommunications network protective operational and safety requirements Industry Canada does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be con nected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable...

Страница 5: ...aling Commands 15 Dial Modifier Commands 16 Phone Number Memory Commands 18 Configuration Storage and Recall Commands 19 Modem Response Result Code Commands 20 Online Connection Commands 22 RS 232 Interface Commands 24 Error Correction and Data Compression Commands 25 Immediate Action Commands 26 Flow Control Commands 27 Escape Sequences 30 Diagnostic Commands 31 Speaker Settings 31 4 S Registers ...

Страница 6: ...loading a File 44 Reading a Message 45 Leaving a Message 45 Bulletins 46 About CompuServe 46 About the Internet 46 About the Multi Tech Fax Back Service 46 Upgrading the MT5634HD8 Firmware 47 Using FlashPro to Upgrade Firmware 47 Appendix A ASCII Conversion Chart 50 Appendix B Dial Pulses and Tones 51 Appendix C Result Code Summary 53 Appendix D S Register Summary 55 Appendix E AT Command Summary ...

Страница 7: ...CommPlete Communications Server 1 1 Introduction ...

Страница 8: ...ered by the xe FCC regulations FCC for direct connection to the public telephone networks No Data Access Arrangements xe DAA DAAs are required The MT5634HD8 is fully compatible with the standard AT command set and is therefore compatible with all popular communications software packages This user guide will help you to install configure test and use the MT5634HD8 Manual Organization xe manual orga...

Страница 9: ...ce The OH LED lights when the modem is off hook which occurs when the modem is dialing online or answering a call The LED flashes when the modem is in the xe busy out state busy out or xe out of service state OOS out of service state Power Supplies xe power DC voltages are supplied to all modems in the CC9600 rack through two PS9600 universal input switching power supplies designed for conventiona...

Страница 10: ...s 3 and 4 and LAP M Data Compression ITU T V 42bis 4 1 throughput or MNP 5 2 1 throughput Speed Conversion Serial port data rates adjustable to 300 1200 2400 4800 9600 19 200 38 400 57 600 and 115 200 bps Flow Control XON XOFF CTS RTS Mode of Operation Half or full duplex over dial up lines automatic or manual dialing automatic or manual answer Intelligent Features Fully AT command compatible auto...

Страница 11: ...originate Receive originate Transmit answer Receive answer 980 Hz mark 1180 Hz space 1650 Hz mark 1850 Hz space 1650 Hz mark 1850 Hz space 980 Hz mark 1180 Hz space Carrier Frequencies V 23 Transmit originate Receive originate Transmit answer Receive answer 390 Hz mark 450 Hz space 1300 Hz mark 2100 Hz space 1300 Hz mark 2100 Hz space 390 Hz mark 450 Hz space Fax Modulations V 21Ch2 FSK at 300 bps...

Страница 12: ...ble on Multi Tech s BBS Indicators LEDs for Carrier Detect and Off Hook Out Of Service Environmental Temperature range 0 50 C 32 120 F Humidity range 20 90 noncondensing Power Requirements x e power 5 VDC at 0 95 A 16 VDC at 0 1 A Power Consumption Approximately 6 watts Dimensions x e dimensions of MT5634HD8 23 3 x 2 3 x 29 2 cm 9 2 x 0 9 x 11 5 in H x W x D Weight 1 1Kg 2 5 lb Limited Warranty Tw...

Страница 13: ...CommPlete Communications Server 7 2 Installation ...

Страница 14: ...CC9600 chassis XE CC9600 chassis There are no external connectors Connectors LEDs Figure 1 MT5634HD8 modem card Safety Warnings xe safety XE warnings Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jacks are specifically designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has bee...

Страница 15: ...aracteristics of the apparatus shall be such as to introduce no material effect upon the electrical conditions presented to one another by the modem and the speech band circuit 2 The apparatus shall comprise only a apparatus approved for the purpose of connection between the modem and a speech band circuit and b cable and wiring complying with a code of practice for the installation of equipment c...

Страница 16: ...om edge of the card and carefully place it into the CC9600 s open device slot Make sure the edges of the MT5634HD8 card mate properly with the guides of the device slot 6 Slide the MT5634HD8 into the CC9600 chassis XE CC9600 chassis until you feel the MT5634HD8 s connectors mate with the CC9600 s bus connectors ...

Страница 17: ...ent 10 Check the LED indicators on the RASCard and the controllers If the LEDs on the controller do not light turn off the RASCard segment Reseat the cards by repeating steps 5 through 9 If you continue to experience problems consult your CommPlete Owner s Manual for troubleshooting tips Note A self test XE self test runs each time the CommPlete Communications Server is turned on Refer to your sys...

Страница 18: ......

Страница 19: ...CommPlete Communications Server 13 3 AT Commands ...

Страница 20: ...ional modes xe command mode command mode and online mode xe online mode There is also an in between state xe wait for carrier mode wait for carrier in which the modem is out of command mode but not yet online When you power up the modem it is in command mode and is ready to accept and respond to commands from your keyboard or software The modem enters online mode xe online mode after it dials conn...

Страница 21: ...hanged or deleted at will Command Editing xe AT commands attention code xe AT commands AT Always begin a command with the letters AT Enter the entire command string in upper or lower case but do not cannot mix cases within the command string The AT command is not executed until you press the ENTER key Use the BACKSPACE key to erase the previ ous command character It will not erase the AT character...

Страница 22: ...ion Z Reset modem Y Select stored configuration on power up Modem Responses E Echo command mode characters 19 Result Codes Q Result codes enable disable V Result codes verbose terse V Protocol result code X Result codes and call progress Q Select asynchronous communications mode B View numbers in blacklist Online Connection B Answer tone 22 C Carrier control F Echo online data characters G Guard t...

Страница 23: ...commands D xe Dial command s phone number Default none The letter D in a command causes the modem to dial the telephone number immedi ately following it For example if you type ATD5551212 CR the modem dials the number 555 1212 The MT5634HD8 supports several dialing methods With the D command you can specify either pulse ATDP or tone ATDT dialing You can also modify the dialing command with several...

Страница 24: ...dial sequence automatic redials if a number is busy and reverting to command mode or switching to answer mode after dialing L Redial Last Number XE redial last number XE AT commands L Default none You can redial the last number dialed by entering L immediately following the dial command ATD This command is handy if you encounter a busy signal and want to try the call again P T Pulse or Tone Dialin...

Страница 25: ...nd Call Progress Selection command xe AT commands X X2 or X4 command Dialing Pause xe Dialing Pause command xe AT commands comma Enter a comma in the dialing string to make the modem pause while dialing This pause lasts two seconds North American models or four seconds U K and Interna tional models for each comma entered You can force longer pauses by entering multiple commas or you can change the...

Страница 26: ...he command Quiet Answer xe Quiet Answer command xe AT commands Use the command to access a system that does not provide a dial tone The command causes the modem to wait before processing the next character in the dial ing string The wait is for one or more rings back followed by five seconds of silence For example ATDT5551212 6313550 causes the modem to dial the first number 555 1212 then wait for...

Страница 27: ...locations are labeled N0 through N3 For example the telephone number 1 612 555 1212 is stored at memory location N2 by typing Z2 16125551212 and pressing ENTER DSn Dial a Stored Number xe AT commands DSn xe dialing a stored number xe Dial a Stored Number command n 0 1 2 or 3 Default none You can automatically dial a telephone number that is stored in the modem s number memory by typing ATDSn where...

Страница 28: ...latile random access memory nonvolatile random access memory NVRAM xe memory nonvolatile NVRAM and configures the modem so that it reads your custom settings in NVRAM when the modem is turned on or when it is reset with the Z command The F reset command will continue to read the factory default settings in ROM Fn Load Default Configuration xe AT commands F xe Load Default Configuration command n 0...

Страница 29: ... the computer or terminal which displays them on the monitor Use the E command to turn this feature off and on E0 disables the echo E1 enables the echo Qn Result Codes Enable Disable xe result codes enable disable xe AT commands Q xe Result Codes Enable Disable command n 0 or 1 Default Q0 You can use the Q command to enable or disable result codes xe result codes for applications such as computer ...

Страница 30: ...t code to the terminal In this mode the modem provides xe result codes extended codes extended result codes xe result codes but does not respond to busy signals X3 causes the modem to blind dial but also it looks for a busy signal xe busy signal and if it detects one it sends a BUSY result code to the terminal In this mode the modem provides xe result codes extended codes extended result codes xe ...

Страница 31: ...or which the last call attempted in the previous two hours failed In countries that do not require blacklisting the ERROR result code appears Online Connection Commands xe online connection commands The following commands control the conditions of the online connection Bn Answer Tone xe AT commands B xe Answer Tone command n 0 1 2 3 15 or 16 Default B1 and B16 The B command selects the frequency t...

Страница 32: ...ata calling tone F Echo Online Data Characters xe AT commands F xe Echo Online Data Characters command n 1 Default F1 This command determines if the modem echoes data from the DTE This command provides backward compatibility with some data communications software F1 disables online data character echo Gn Guard Tones xe AT commands G xe Guard Tones command n 0 1 or 2 Default G0 models outside U K o...

Страница 33: ...ommand n 0 Default Y0 When two modems are connected in reliable mode a link disconnect request packet is sent to request a disconnect In non error correction mode there is no polite way to request a disconnect As a result some garbage may be received when a hang up command is issued Y0 disables the modem s use of the break signal xe break signal RS 232 Interface Commands These commands define how ...

Страница 34: ... 28 CommPlete Communications Server C0 ignores the state of the carrier from the remote modem CD is forced high C1 allows CD to act normally to go high when the modem detects a carrier and to drop when it loses the carrier ...

Страница 35: ...reset when DTR drops xe DTR signal control of It will also hang up if it is online Sn Data Set Ready Control xe RS 232C controls xe AT commands S xe Data Set Ready Control command xe DSR signal control of n 0 or 1 Default S0 Use the S command to control the state of the Data Set Ready DSR signal on the RS 232 V 24 xe RS 232C interface Normally DSR follows CD You can force the signal high or allow ...

Страница 36: ...he same as Q6 described earlier in this chapter N1 causes the modem to function in direct mode N2 enables reliable mode xe reliable mode in which the modem uses its V 42 error correction capabilities for all transmissions In reliable mode the modem must be connected to a modem with the V 42 MNP protocol ...

Страница 37: ...omatic If the modem determines that the other modem is using V 42 it switches itself into reliable V 42 mode and enables error correction If it determines that the other modem is not using V 42 the modem remains in non error correction mode This is the same as N3 and N7 N7 enables auto reliable mode During the handshaking procedures at the start of the online connection the modem queries whether t...

Страница 38: ...ion for the data pump for example 94 I9 displays the country code for example NA Ver 1 Bn V 32 Auto Retrain xe AT commands B xe Auto Retrain command n 1 Default B1 The B1 command enables V 32 auto retrain V View Current Configuration XE AT commands V XE View Current Configuration command XE configuration view current Default none Use the V command to display the active modem settings Flow Control ...

Страница 39: ...XON XOFF pacing and use XON XOFF characters as its own method of flow control to the computer This is the same as Q1 The drawback to using this method of pacing is that some files may contain these characters as part of the file data If such a file is transferred using a modem with XON XOFF flow control enabled the file transfer could fail due to indefinite suspension Qn Local Flow Control Selecti...

Страница 40: ...ond to the characters and pass them through the data communications link to the remote modem thereby pacing the remote modem as well X0 causes the modem to respond to and discard the XON xe XON XOFF and XOFF characters This is the default Jn Auxiliary Relay Control XE AT commands J XE Auxiliary Relay Control command n 0 Default J0 The J0 command causes the auxiliary relay to remain open It is neve...

Страница 41: ...o 10 command characters most typically H to hang up xe hanging up and ENTER The modem then escapes to command mode executes the command if any and remains in command mode For example to hang up the modem at the end of a call type ATH CR A Force Answer Mode xe AT commands A xe Answer command xe answer mode You can use the A command xe answering a call to force the modem into answer mode Type ATA wh...

Страница 42: ...MT5634HD8 User Guide 36 CommPlete Communications Server O3 causes the modem to issue a rate renegotiation before returning to online data mode ...

Страница 43: ...auses the modem to perform a local digital loopback test T6 causes the modem to perform a remote digital loopback test which verifies the integrity of the local modem the communications link and the remote modem Any data entered at the local DTE is sent to and returned from the remote modem To function properly the modems must be online with error correction disabled Speaker Settings xe speaker se...

Страница 44: ...This is the default It allows you to hear the initial dial tones and handshake squawking when dialing out for example which lets you know activity is taking place and when a carrier signal has been detected the squawking stops M2 causes the speaker to remain whenever the modem is off hook M3 causes the speaker to remain on until the carrier is detected except while dialing This means the speaker i...

Страница 45: ...CommPlete Communications Server 39 4 S Registers ...

Страница 46: ... one 1 to causes the modem to answer the call immedi ately after the first ring The maximum number of rings that can be configured is 255 S1 Ring Count Unit 1 ring Range 0 255 Default 0 S1 xe S registers S1 xe rings counting counts the number of rings that have occurred It is a read type of register and is seldom if ever used in typical operation Each time an incoming ring signal is detected S1 in...

Страница 47: ...have such a key S4 may be set for any ASCII character S5 Backspace Character Unit Decimal Range 0 127 Default 8 H S5 xe S registers S5 xe backspace character defines the backspace character by its decimal ASCII code The default setting is the H character decimal 8 which is the code for the BACKSPACE key on most keyboards S5 may be set for any ASCII character Setting S2 to a value greater than 32 d...

Страница 48: ...ter it detects a busy signal xe busy signal Some computer systems need more than two seconds to reset in which case you should increase the value of S8 S10 Carrier Loss Disconnect Delay Time Unit 100 ms Range 1 254 Default 20 S10 xe S registers S10 xe carrier loss of defines the length of time in milliseconds that the modem waits after a loss of carrier signal before the it disconnects The default...

Страница 49: ... xe data calling tone Unit decimal Range 0 1 Default 0 disabled S35 enables or disables the V 25 data calling tone which allows remote data fax and voice discrimination Setting S35 to zero 0 disables V 25 data calling tone setting S35 to 1 enables data calling tone The default setting is 1 ...

Страница 50: ...ps 6 2400 bps 19 33600 bps 7 4800 bps 20 8 7200 bps 21 9 9600 bps 22 45000 bps 10 12000 bps 23 11 14400 bps 24 12 16800 bps 25 56000 bps S42 Enable Disable V 32bis and V 22bis Auto Rate xe S registers S42 XE enable disable V 32bis and V 22bis auto rate Unit decimal Range 0 1 Default 1 enabled This register is used for testing and debugging only S42 enables and disables the V 32bis and V 22bis auto...

Страница 51: ...aracters to their decimal equivalents before entering them Valid S register decimal values are shown for each register in the previous section To make the change permanent use the xe storing a configuration xe AT commands W W0 command Examples of Assigning Values 1 You want to have longer pauses caused by the comma in a dial command five seconds instead of two Type ATS8 5 to assign 5 as the value ...

Страница 52: ...MT5634HD8 can match any ITU T or Bell standard modem but not proprietary protocols If you require a different configuration for your application for example if you want to use an MT5634HD8 modem strictly as an auto answering device or for service that does not support error correction youcanselectively change the command parameters and S register values in active memory and save the new values by ...

Страница 53: ...CommPlete Communications Server 47 5 Warranty Service and Technical Support ...

Страница 54: ...nsportation prepaid MTS WILL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES AND UNDER NO CIRCUMSTANCES WILL ITS LIABILITY EXCEED THE PURCHASE PRICE FOR DEFECTIVE PRODUCTS Service If your technical support specialist decides that service is required and you are out side the USA your local distributor of Multi Tech products usually offers the quickest and most economical repair option If necessary you may ...

Страница 55: ..._________________________ Datacomm software version __________________________________________ FAX software version ______________________________________________ Other software version ______________________________________________ The modem model and serial numbers are silk screened on your modem The software versions are printed on the diskette labels Type xe AT commands I ATI1 CR in terminal m...

Страница 56: ...st name last name and password then press ENTER If you are a first time caller the BBS will ask if your name is spelled correctly If youanswer yes a questionnaire will appear Youmust complete the questionnaire to use the BBS on your first call 4 Press ENTER until the Main Menu appears From the Main Menu you have access to three primary areas the Files Menu the Message Menu and Bulletins For help o...

Страница 57: ...or Zmodem the recommended protocol If you select Zmodem the file will transfer automatically If you select another protocol you may have to initiate the transfer yourself In most data communications programs the PAGE DOWN key initiates the download 9 When the download is complete enter S to return to the File Menu Reading a Message When you log on the BBS will tell you if you have a personal messa...

Страница 58: ...mtssales multitech com Sales Dept international multitech com International Marketing Sales writers multitech com Publications Dept Multi Tech s presence includes a xe World Wide Web Web site at http www multitech com and an ftp site at ftp ftp multitech com The ftp server mirrors the Multi Tech BBS About the Multi Tech Fax Back Service Multi Tech s fax back XE fax back service service provides 24...

Страница 59: ...o to Upgrade Firmware 1 Download FLASHPRO ZIP and a new HEX file from the Multi Tech BBS 2 Unzip the FLASHPRO ZIP file Place this unzipped file and the HEX file in the same directory 3 Run FlashPro by typing FLASHPRO and pressing ENTER at the DOS prompt 4 Highlight the Configure option in the Main Menu and press ENTER 5 Highlight Active Port and select the COM port to which the MT5634HD8 is attach...

Страница 60: ...MT5634HD8 User Guide 54 CommPlete Communications Server ...

Страница 61: ...CommPlete Communications Server 55 Appendices ...

Страница 62: ... DC3 13 19 3 33 51 S 53 83 s 73 115 T DC4 14 20 4 34 52 T 54 84 t 74 116 U NAK 15 21 5 35 53 U 55 85 u 75 117 V SYN 16 22 6 36 54 V 56 86 v 76 118 W ETB 17 23 7 37 55 W 57 87 w 77 119 X CAN 18 24 8 38 56 X 58 88 x 78 120 Y EM 19 25 9 39 57 Y 59 89 y 79 121 Z SUB 1A 26 3A 58 Z 5A 90 z 7A 122 ESC 1B 27 3B 59 5B 91 7B 123 FS 1C 28 3C 60 5C 92 7C 124 GS 1D 29 3D 61 5D 93 7D 125 RS 1E 30 3E 62 5E 94 7E...

Страница 63: ...per second The interdigital pause time is 800 ms The pulse ratios are controlled by the xe pulse ratios setting xe Set Pulse Dial Ratios command xe AT commands P P command Closed Open Digit 2 Digit 1 A B Figure 2 Dial pulses Tone Dial Frequencies The xe tone dialing tone dialing method combines two frequencies for each of the twelve digits found on a touch tone dial pad This method is referred to ...

Страница 64: ...C D are the high end frequencies 1633 Hz defined on some telephone sets with a fourth vertical column of buttons This fourth column provides for extended PBX control functions The actual functions that are provided depend on the PBX manufacturer s implementation and feature set 1 2 3 4 A 5 6 B 770 697 7 8 9 C 0 D 941 852 1633 1477 1336 1209 Hz Digits Hz Figure 4 Extended DTMF frequencies ...

Страница 65: ...m has detected carrier at 14400 bps and gone online 14 CONNECT 19200 Modem has detected carrier at 19200 bps and gone online 24 CONNECT 7200 Modem has detected carrier at 7200 bps and gone online 25 CONNECT 12000 Modem has detected carrier at 12000 bps and gone online 86 CONNECT 16800 Modem has detected carrier at 16800 bps and gone online 40 CONNECT 300 Modem has detected carrier at 300 bps and g...

Страница 66: ...ECT 7200 25 CONNECT 12000 86 CONNECT 16800 40 CONNECT 300 55 CONNECT 21600 56 CONNECT 24000 57 CONNECT 26400 58 CONNECT 28800 59 CONNECT 31200 60 CONNECT 33600 CONNECT 45000 CONNECT 56000 EC is replaced by one of the following codes depending on the type of error control connection Code Error Correction V42bis LAP M V 42 error control and V 42bis data compression V42 LAP M V 42 error control only ...

Страница 67: ...before cancels the call S7 1 sec 1 255 1 45 1 55 50 45 55 Sets the time the modem will wait for a carrier signal before aborting a call Also sets the wait for silence time for the dial modifier S8 1 sec 0 65 4 255 4 7 2 4 4 Sets the length of the pause caused by a comma character in a dialing command S10 100 ms 1 254 20 Sets how long a carrier signal must be lost before the modem disconnects S11 1...

Страница 68: ...a mode 0 disable 1 enable S43 decimal 0 1 1 For testing and debugging only Enables disables V 32bis start up auto mode operation 0 disable 1 enable S89 1 sec 0 5 255 10 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 Values for International and Canadian modems only Values for Inte...

Страница 69: ... when modem is at 1200 bps B2 Deselect V 23 reverse channel B3 Deselect V 23 reverse channel B15 Select V 21 when the modem is at 300 bps B16 Select Bell 103J when the modem is at 300 bps Bn n 1 V 32 Auto Retrain B1 Enable V 32 auto retrain B n a View Numbers in Blacklist If blacklisting is in effect this command displays the numbers for which the last call attempted in the previous two hours fail...

Страница 70: ...er n by the Zn x command For example ATDS3 En n 0 or 1 Echo Command Mode Characters E0 Do not echo command mode characters E1 Echo command mode characters ES 6 n a Enable Synchronous Buffered Mode Allows an H 324 video application direct access to the synchronous data channel On underflow the modem sends the HDLC flag idle 0x7E to the remote modem This special error correction mode is overridden b...

Страница 71: ... NA Ver 1 Jn n 0 Auxiliary Relay Control J0 The auxiliary relay is never closed Jn n 0 Data Buffer Control J0 Enable data buffer serial port speed is independent of connect speed Kn n 0 3 or 4 Local Flow Control Selection K0 Flow control disabled K3 Enable CTS RTS hardware flow control K4 Enable XON XOFF software flow control Kn n 5 Set Break Control K5 Modem sends break signal received from the D...

Страница 72: ...N3 V 42 MNP auto reliable mode N4 V 42 reliable mode N5 V 42 MNP or non error correction Same as N3 N6 V 42 MNP or non error correction Same as N3 On n 0 1 or 3 Go Back On Line O0 Exit online command mode and return to data mode O1 Issue a retrain and return to online data mode O3 Issue a rate renegotiation and return to data mode P In dialing command Pulse Dial Modem pulse dials numbers that foll...

Страница 73: ...ands or 6 T0 Stop any test currently in progress T1 Local analog loop test T3 Local digital loopback test T6 Remote digital loopback test Tn n 0 Inactivity Timer T0 Disable inactivity timer V In dialing command Switch to Speakerphone Mode Switches to speakerphone mode and dials the following number Use ATH command to hang up Vn n 0 or 1 Result Codes Verbose Terse V0 Result codes sent as digits ter...

Страница 74: ...and BUSY X6 Extended result codes with NO DIAL TONE and BUSY X7 Basic result codes with NO DIAL TONE and BUSY Xn n 0 XON XOFF Pass Through X0 Respond to and discard XON XOFF characters Yn n 0 Long Space Disconnect Y0 Disable sending or responding to long space break signal on disconnect Yn n 0 Select Stored Configuration for Hard Reset Y0 Select stored configuration 0 at power up included for back...

Страница 75: ...al string In dial command Quiet Answer Causes modem to wait for a ringback then 5 seconds of silence before processing next part of command In dial command Disable Data Calling Tone Transmission The modem does not transmit data calling tones AT CR Escape Sequence Puts modem in command mode while still remaining on line Type followed by the letters A and T up to ten command characters and a RETURN ...

Страница 76: ...MT5634HD8 User Guide 70 CommPlete Communications Server ...

Страница 77: ...CommPlete Communications Server 71 Glossary ...

Страница 78: ...minal it services The remote analog loopback can only be activated on four wire leased line connections with a remote modem capable of performing the same test Analog signal A waveform which has amplitude frequency and phase and which takes on a range of values between its maximum and minimum points Analog implies continuous movement from point A to point B as opposed to discrete jumps For example...

Страница 79: ...pies of data on different storage media for emergency purposes Band The range of frequencies between two defined endpoints Bandwidth The transmission capacity of a computer channel communications line or bus It is expressed in cycles per second hertz the bandwidth being the difference between the lowest and highest frequencies transmitted The bandwidth of a phone line is about 3000Hz with QAM you ...

Страница 80: ...e lower speed device to accept it at its own pace In this way the high speed device can continue to work without having to wait for its data transfer to end Buffers are a way of preventing potential data loss Bus A common channel between hardware devices either internally between components in a computer or externally between stations in a communications network Byte The unit of information a comp...

Страница 81: ...ge so it can function as a gateway between a LAN and its modems or host connections COMx Port A serial communications port on a PC CONFIG SYS file pronounced config dot sis A text file that contains configuration commands used when you start your computer Commands in the CONFIG SYS file enable or disable system features set limits or resources and extend the operating system s purpose by loading d...

Страница 82: ...than gradual changes Digital Transmission A method of electronic information transmission common between computers and other digital devices Analog signals are waveforms a combination of many possible voltages A computer s digital signal may be only high or low at any given time Therefore digital signals may be cleaned up noise and distortion removed and amplified during transmission DIP switch A ...

Страница 83: ...software operating system data communications and database systems It may also include the programming language used It sets the standards for the applications that run in it EPROM Erasable Programmable Read Only Memory pronounced eeprom A reusable PROM chip that holds its contents until erased under ultraviolet light Error correction The process of detecting distorted data bits and requesting a r...

Страница 84: ...sed by 300 bps modems Full duplex A method of transmitting and receiving data simultaneously over a single pair of wires Compare with Half Duplex G Gateway A workstation which serves as a protocol converter translator between two or more dissimilar networks providing incompatible systems H Half Duplex The transmission of data in both directions but only one direction at a time Compare with Full Du...

Страница 85: ...block can be transferred to the processor This allows the computer s processor to be interrupted less often so it can perform more efficiently J Job The unit of work being processed by the computer K Kermit An asynchronous file transfer protocol noted for its accuracy over noisy lines Kernel The core of an operating system which interacts directly with the system hardware While most operating syst...

Страница 86: ... entirely mnemonics Mnemonics are used as memory aids for people MNP Microcom Networking Protocol A family of communications protocols from Microcom that have become de facto standards for error correction and data compression MNP Class 3 4 The de facto error correction standard from Microcom MNP Class 5 The most widely used data compression scheme before V 42bis took hold MNP5 offers 2 to 1 data ...

Страница 87: ...vices These cards are typically used in laptop computers Phase The timing of a signal based upon the starting point of each cycle in another signal To be detected phase requires the comparing of two signals If the cycle of two signals begin at the same point they are said to be in phase In phase signals add while out of phase signals tend to cancel each other Port A location for input or output da...

Страница 88: ...ot Ctrl Alt Del soft boot or Cold boot Power switch hard boot Repeater A device that amplifies or regenerates the data signal in order to extend the distance of the transmission This can be used with both analog and digital signals and is used extensively in long distance transmission to keep signals from losing their strength Resolution Indicates the number of dots that make up an image on a scre...

Страница 89: ...more discreet segments This connection lasts for the duration of the call after which each segment may be used as part of a different channel Contrast with leased line Switched Network A network in which a temporary connection is established from one point via one or more segments Synchronous Transmission The transmission of data which involves sending a group of characters in a packet This is a c...

Страница 90: ...commands while the AT commands are used for asynchronous dialing and for modem configuration V 26 The CCITT modulation standard for 2400 bps full duplex transmission over 4 wire leased lines Primarily for synchronous use Not common in North America V 27 The CCITT modulation standard for 4800 bps full or half duplex transmission Primarily for synchronous use Not common in North America V 27ter is u...

Страница 91: ...ITT s recommendation for unique addressing of each DTE connected to a communications network throughout the world X 121 uses fifteen digits a one digit prefix a four digit DNIC number which identifies the country and PDN and a ten digit national terminal number X 21 CCITT s recommendation for a 15 pin digital interface It is not widely accepted because of the analog loops still prevalent in data c...

Страница 92: ...MT5634HD8 User Guide 86 CommPlete Communications Server ...

Страница 93: ...CommPlete Communications Server 87 Index ...

Страница 94: ...38 summary 57 T 16 24 V 17 20 W 17 X 17 21 29 Y 24 Z 19 auto answer 34 38 disabling 34 Auto Retrain command 27 auto reliable mode 26 Auxiliary Relay Control command 29 B backspace character 13 35 BBS Multi Tech 44 blacklist 22 blind dialing 15 21 break signal 24 busy signal 15 18 21 36 busy out state 3 C Canadian Limitations Notice iv carriage return character 35 carrier control 23 Carrier Detect ...

Страница 95: ...codes 54 F fax warning iv fax back service 46 FCC regulations iii 2 Flash On Hook command 17 FlashPro 47 flow control 27 commands 27 disabling 28 selecting local 28 XON XOFF pass through 29 front panel 8 fuses 6 G Go Back Online command 30 Guard Tones command 23 H handshake 22 handshake modulation 24 hanging up 16 30 I Inactivity Timer command 24 in band escape sequence 30 indicators 3 Information...

Страница 96: ... Stored Configuration for Hard Reset command 19 self test 10 Self Test command 31 Set Break Control 29 Set Pulse Dial Ratios command 51 smart dialing 15 21 speaker settings 31 speaker volume setting 31 specifications 4 S registers 39 definition 34 reading 39 S0 34 38 S1 34 S10 36 S11 36 S2 34 S28 36 S3 35 S35 36 S37 37 S4 35 S42 37 S43 37 S5 13 35 S6 15 21 35 S7 12 18 35 38 S8 17 36 38 S89 38 summ...

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Страница 98: ...P N 82065700 ...

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Содержание CommPlete MT5634HD8

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Multitech CommPlete MT5634HD8, Руководство пользователя, Страница: 75 / 99

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Содержание CommPlete MT5634HD8

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