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MT3334HD8 User Guide

CommPlete Communications Server

S48, 50
S94, 26, 51

start bit, 37
stop bit, 37
Store Configuration command, 20, 21, 22, 52
Store Phone Number command, 19, 20
storing a configuration, 20, 51

technical specifications, 4
technical support, 61, 63
terminal mode, 56
testing, 42, 55, 56, 57

commands, 42
loopback tests, 42, 43, 54, 56

tone detection, 25
tone dialing, 69
Tone-Dial command, 17
tone-dialing, 48
transmission speed, 33, 34
Trellis-Coded Modulation command, 27

upgrading the firmware, 64

V.21, 24
V.22, 24
V.22bis, 24
V.32, 25, 26
V.32bis, 25, 26
V.34, 25, 26

asymmetric bit rate, 28
connect speed, 50
echo canceler frequency offset compensation, 28

V.42, 31, 32
V.42 Error Correction at 300 bps command, 32
V.42 Error Correction Mode command, 31

Wait for New Dial Tone command, 17
wait-for-carrier mode, 12
warranty, 60
World Wide Web, 64

XON/XOFF, 37, 38
XON/XOFF Flow Control command, 37
XON/XOFF Pass-Through command, 37

Содержание CommPlete MT3334HD8

Страница 1: ...MT3334HD8 Modem User Guide ...

Страница 2: ...ke 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 B 3 31 97 5 29 97 Manual released Manual updated Multi Tech CommPlete RASExpress MultiExpress MultiExpress Fax MultiModem MultiModemZDX MultiModemManager and the Multi Tech logo are trademarks of Multi Tech Sys...

Страница 3: ...sees 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 telephone 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 requested...

Страница 4: ...ation means that 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 connected to the facilities of the local telecommunications company The equipment must also be installed using...

Страница 5: ...Phone Number Memory Commands 19 Configuration Storage and Recall Commands 20 Modem Response Result Code Commands 21 Online Connection Commands 24 V 34 Commands 28 RS 232 Interface Commands 29 Error Correction and Data Compression Commands 31 Speed Conversion Commands 33 Immediate Action Commands 35 Flow Control Commands 36 Escape Sequences 39 Remote Configuration Commands 40 Line Probe Commands 41...

Страница 6: ...ormation 61 The Multi Tech BBS 62 Logging onto the Multi Tech BBS 62 Downloading a File 62 Reading a Message 63 Leaving a Message 63 Bulletins 63 About CompuServe 63 About the Internet 64 About the Multi Tech Fax Back Service 64 Upgrading the MT3334HD8 Firmware 65 Using FlashPro to Upgrade Firmware 65 Appendix A ASCII Conversion Chart 68 Appendix B Dial Pulses and Tones 69 Appendix C Result Code S...

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

Страница 8: ...phone networks No Data Access Arrangements DAAs are required The MT3334HD8 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 MT3334HD8 LED Indicators The MT3334HD8 has 16 LED indicators on the front panel two for each modem CD Carrier Detect The CD LE...

Страница 9: ...ed to store various modem options Each S register is defined and explained Chapter 5 Testing the MT3334HD8 This chapter describes loopback testing for the MT3334HD8 Chapter 6 Warranty Service and Technical Support This chapter provides the terms of the MT3334HD8 s warranty instructions for obtaining factory service and information about Multi Tech s BBS and technical support Information on upgradi...

Страница 10: ...e 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 dial redial repeat dial dial linking pulse or tone dial dial pauses call status display auto parity and data rate selection keyboard controlled modem options nonvolatile memory on screen displays of modem parameters stored telephone numb...

Страница 11: ... 390 Hz mark 450 Hz space Fax Modulations V 21Ch2 FSK at 300 bps V 27ter DPSK at 4800 and 2400 bps V 29 QAM at 9600 and 7200 bps V 17 TCM at 14400 12000 9600 and 7200 bps Fax Carrier Frequencies V 21 CH2 half duplex 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 1700 Hz Originate Answer V 17 TCM 1800 Hz Ori...

Страница 12: ...mmunications Server Power Requirements 5 VDC at 0 95 A 16 VDC at 0 1 A Power Consumption Approximately 6 watts Dimensions 23 3 2 3 29 2 cm 9 2 0 9 11 5 in H W D Weight 1 1Kg 2 5 lb Limited Warranty Two years Fuses F1 5 V F2 16 V F3 16 V ...

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

Страница 14: ...modem card Safety 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 been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone ot...

Страница 15: ...her requirements as may be applicable Note Such apparatus may have been approved subject to limitations in its use Installation Procedure 1 Unpack the MT3334HD8 assembly from its packaging and save the packaging for possible future use Perform a visual inspection of the MT3334HD8 If you are concerned about its condition call Technical Support for instructions 2 Turn off both PS9600 power supplies ...

Страница 16: ......

Страница 17: ...CommPlete Communications Server 11 3 AT Commands ...

Страница 18: ...it 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 An MT3334HD8 modem enters online mode after it dials connects with another modem and detects a valid carrier signal If it does not detect a carrier signal within the time frame controlled by regis...

Страница 19: ...nd in upper case or lower case but not both The AT command is not executed until you press the ENTER key Use the BACKSPACE key to erase the previous command character it will not erase the AT characters once they are typed If your keyboard has no BACKSPACE key use CTRL H You can change the character recognized by the modem as BACKSPACE to any other ASCII character by changing register S5 To cancel...

Страница 20: ...tion Z Reset modem Modem Responses E Echo command mode characters 21 Result Codes Q Result codes enable disable Q Result codes Multi Tech or standard V Result codes verbose terse X Result codes and call progress A Answerback Online Connection A Auto speed detection 24 B Answer tone DC Command mode control CD Cleardown at disconnect DT DTMF detection F Fallback modes when online G Guard tones H Bus...

Страница 21: ...onous word length 10 11 bit E3 Flow control disabled E4 Hardware flow control E5 XON XOFF flow control E6 XON XOFF no pass through E7 XON XOFF pass through E8 Hewlett Packard ENQ ACK pacing off E9 Hewlett Packard ENQ ACK pacing on E10 Non error correction mode flow control off E11 Non error correction mode flow control on E12 Pacing off E13 Pacing on X Number of XOFF characters sent Escape AT CR D...

Страница 22: ...s command is not available on UK or International models Use this command only if you have reached a busy number after executing a normal dial command Type A you need not type AT nor do you need to press ENTER and the modem redials the number If you again reach a busy signal the modem continues to redial until it gets through You can stop the modem from redialing by pressing any key To save a step...

Страница 23: ...tone dial the same number type ATDT5551212 and press ENTER If neither pulse nor tone dialing is specified in the dial command the modem uses whatever method was used last Immediately after the modem has been turned on or reset it uses pulse dialing even if you do not include P in your dial command As an example of combining pulse and tone dialing assume you are calling out of a PBX switchboard sys...

Страница 24: ...ntinuously redial the number if it detects a busy signal until the call is answered North American models are limited to 10 redials You must select smart dialing X3 or X4 for this to work Not available in U K or International models Note This command has largely been superseded by software based continuous redial features Return to Command Mode After Dialing Enter a semicolon as the last character...

Страница 25: ... access phone number and the caller s credit card number ATDT1028806127853500 123456789 Phone Number Memory Commands The modem can store up to two telephone numbers in nonvolatile memory You can store the numbers with the DsNd command dial them with the Nd command link them so that one will be automatically dialed after the other with the NdNe command or list them with the L command DsNd Store a P...

Страница 26: ...9876543 All digits and command letters are displayed The N number is shown first followed by the complete dialing command and telephone number as originally entered Configuration Storage and Recall Commands The MT3334HD8 stores parameters in two places It stores factory default parameters in read only memory ROM and customized parameters in nonvolatile random access memory NVRAM You can not change...

Страница 27: ...he W0 command Table 2 summarizes how the F and Z reset commands interact with the W command note that the F reset command operates differently from the Z reset command Table 2 Where the Modem Reads Configuration Parameters Previous Command AT F Power On and ATZ AT W1 default ROM ROM AT W0 ROM NVRAM AT F8 W0 ROM NVRAM AT F9 W0 NVRAM NVRAM Z Reset Modem The Z command resets the modem to its default ...

Страница 28: ... Enable Disable n 0 1 or 2 Default Q0 You can use the Q command to enable or disable result codes for applications such as computer controlled auto dialing You can also use it to disable responses and echo in answer mode while leaving originate mode still intelligent this is called the no response answer mode of operation Q0 or Q enables result codes Q1 disables result codes for applications such ...

Страница 29: ...odem listens for dial tones and busy signals and responds to them When it blind dials the modem ignores the signals and relies on timing instead X0 causes the modem to blind dial Instead of looking for a dial tone it pauses for the time set in register S6 and then dials regardless Once a connection has been made it sends the Bell 103 basic code CONNECT to the terminal It ignores any busy signals X...

Страница 30: ...t is done by the modem baud rate command MB but only the answer mode starting speed A0 causes the modem to start at maximum speed with fallback to 31 200 to 28 800 to 26 400 to 24 000 to 21 600 to 19 200 to 16 800 to 14 400 to 12 000 to 9600 to 4800 to 2400 to 1200 to 300 bps A1 causes the modem to operate at maximum speed only A2 causes the modem to start at maximum speed with decremental fallbac...

Страница 31: ...own is rate renegotiation in which the modem that is hanging up tells the other modem that it has no speeds that it can connect at It is designed to help the remote modem detect a hang up However it does take a second or two to send the cleardown If you find this delay unacceptable you can disable cleardown by using the CD command CD0 enables cleardown at disconnect CD1 disables cleardown at disco...

Страница 32: ...prove Gn Guard Tones n 0 1 or 2 Default G0 models outside U K or G2 U K models only The G command is used to control the presence or absence of guard tones from the transmitter when in answer mode at either 1200 or 2400 bps Guard tones are used in Europe and other areas to allow the modem to function in the telephone systems Guard tones are not used in the United States U K models are locked at G2...

Страница 33: ...ailure to make a connection To enable your modem to detect square wave rings use the RD1 command RD0 enables sine wave ring detection only RD1 enables sine wave and square wave ring detection Tn Calling Tone n 0 or 1 Default T1 The T command enables or disables the modem s calling tone which is required by some European countries to identify the caller as a modem T0 enables the calling tone T1 dis...

Страница 34: ...both modems must have Y1 enabled V 34 Commands The following commands apply only in V 34 mode Fn Echo Canceler Frequency Offset Compensation n 0 or 1 Default F0 The F command enables and disables echo canceler frequency offset compensation which when enabled can decrease modem performance F0 disables echo canceler frequency offset compensation F1 enables echo canceler frequency offset compensation...

Страница 35: ... the modem detects a carrier and to drop when it loses the carrier C2 causes CD to drop for one second on disconnect and then go high again If you want to set the drop time to something other than one second change register S24 C4 resets the modem when CD drops Dn Data Terminal Ready Control n 0 1 2 or 3 Default D2 The Data Terminal Ready DTR signal on pin 20 of the RS 232 V 24 interface must be h...

Страница 36: ... signal high allow it to act normally or set it to stay high until the modem disconnects go low momentarily and then go high again S0 forces DSR high S1 allows DSR to act normally that is to follow CD S2 sets up DSR so that it drops for one second on disconnect and then comes up again If you want to set the drop time to something other than one second change register S24 RFn CTS RTS Interaction Co...

Страница 37: ...nnected to a modem with a V 42 protocol MNP or LAP M The V 42 standard includes MNP Class 3 and 4 and LAP M error correction methods The V 42 mode select command L selects which type of error correction the modem uses for transmissions En Data Compression n 14 or 15 Default E15 Data compression is normally enabled providing E1 auto reliable mode or E2 reliable mode has also been selected However y...

Страница 38: ...e auto reliable time out period Fn Auto Reliable Fallback Character Enable Disable n 0 or 1 Default F0 In auto reliable mode the modem has four seconds to establish a reliable connection If a single carriage return is received from the remote modem during this period the auto reliable modem assumes that the remote modem is not in reliable mode and drops to non error correction mode The carriage re...

Страница 39: ...n the modem s transmission speed Speed conversion is also useful for an auto answer modem connected to a computer that does not have auto baud capability since the computer must be set at a fixed baud rate regardless of the speed at which the modem communicates over the phone line BAn Baud Adjust n 0 or 1 Default BA0 Even though the term baud adjust sounds like it should mean the same thing as spe...

Страница 40: ...ect maximum transmission speed See Chapter 4 SBn Serial Port Baud Rate n speed Default SB57600 The SB command sets the speed of the MT3334HD8 s serial port in both originate and answer modes Speed conversion allows you to set this serial port baud rate at a fixed speed of up to 115 200 bps regardless of the modem s transmission speed setting For this command to work the modem s baud adjust feature...

Страница 41: ... use the I command to check the version number of the modem s built in software known as firmware ATI0 or ATI requests the modem s ID number ATI1 requests the modem s firmware version number You can use this command to identify your modem s firmware level when calling Technical Support ATI2 requests the product name such as MT3334HD8 ATI5 requests the digital signal processor version number L5 L7 ...

Страница 42: ...t first escape to command mode by issuing the AT CR command Flow Control Commands Flow control refers to the techniques used by data terminal equipment and the MT3334HD8 to pause and resume the flow of information between them It prevents a device from accepting more data than it can handle The MT3334HD8 implements flow control in both directions When the MT3334HD8 halts the flow of data it is cal...

Страница 43: ...stream of data rather than using separate control lines When an XOFF character is detected the data stream is suspended until an XON character is detected The drawback to using this method of pacing is that some files may contain these characters If such a file is transferred using a modem the file transfer can be suspended indefinitely En XON XOFF Pass Through n 6 or 7 Default E6 When XON XOFF pa...

Страница 44: ... enabled the modem responds to the DTE s pacing signals When pacing is disabled the modem ignores any pacing signals from the DTE E12 disables pacing E13 enables pacing Xn Number of XOFF Characters Sent n 0 or 1 Default X0 The X command allows the modem to send either a single or multiple XOFF characters when the modem s buffer becomes full When the buffer is full the next character received cause...

Страница 45: ...ters AT up to 60 command characters and ENTER When this sequence is used the modem executes the command and immediately returns to online mode unless the command is to hang up and or reset the modem an H or Z command In the latter case the modem escapes to command mode after executing the H or Z command En Escape Sequence Options n 0 5 Defaults E1 and E4 The default setting is for the modem to res...

Страница 46: ...uration AT CR Remote Configuration Escape Sequence Enter the remote configuration escape sequence to initiate remote configuration when you are online with another Multi Tech modem The default escape sequence used by the MT3334HD8 is three percent signs followed by the letters AT and ENTER The remote configuration escape character which is stored in register S13 can be changed either locally or re...

Страница 47: ...tify impairments in the telephone channel Using the results of these line probes they then set the communication parameters including carrier frequencies and data rates that they will use for the transmission This process takes about five seconds The following commands apply to the MT3334HD8 modems only when they are in V 34 mode DPn Read Line Probe Data n 0 or 1 Default DP0 Normally the modem doe...

Страница 48: ...ata command DF The display commands are valid only in online mode To use them online you must first escape to command mode with AT CR To return online enter ATO ATL9 displays signal strength information ATL10 displays the signal to noise ratio SNR ATL11 displays noise information Diagnostic Commands The MT3334HD8 has two diagnostic commands and four diagnostic modes The power on self test is activ...

Страница 49: ...s entered testing all the circuits along the way The U command selects from several loopback tests See Chapter 5 Testing the MT3334HD8 for more information ATU0 places the modem in originate mode for the local analog loopback test ATU1 places the modem in answer mode for the local analog loopback test ATU2 performs the remote digital loopback test ATU3 performs the local digital loopback test ...

Страница 50: ...MT3334HD8 User Guide 44 CommPlete Communications Server ...

Страница 51: ...CommPlete Communications Server 45 4 S Registers ...

Страница 52: ...ing Count Unit 1 ring Range 0 255 Default 0 S1 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 increases its value by one up to a maximum of 255 If you set S1 to a value other than its default value of zero or if the value is increasing with rings this new value remains stor...

Страница 53: ...onding changes in your data communications software S6 Wait Time for Dial Tone Unit 1 second Range 2 255 NorthAmerica 4 255 International 4 7 U K Default 2 North America 4 International and U K S6 defines the length of time the modem waits after the ENTER key is pressed before executing a dial command The default setting is two seconds for North America four seconds elsewhere S7 Time for Carrier A...

Страница 54: ... not to disconnect with loss of carrier S11 Tone Dialing Spacing and Duration Unit 1 ms Range 1 255 USA or 80 255 Canada U K International Default 70 USA or 80 Canada U K International S11 sets the speed of tone dialing spacing and tone duration times The default value is 70 units for domestic models and 80 units for Canadian and International models where each unit is one ms In other words for do...

Страница 55: ...s S30 Inactivity Timer Unit 1 minute Range 0 1 255 minutes Default 0 disabled S30 can be used to cause the modem to disconnect if no data is transmitted or received for a specified time S30 runs during both reliable and non error correction connections The timer restarts any time a data character passes through the serial port either sent or received If noise on the phone line causes an error to b...

Страница 56: ... this feature and allows the modem to establish the best speed for the conditions Note The MB command overrides S43 if the MB command is set to a speed other than 33 600 bps S48 Maximum V 34 Connect Speed Unit N A Range 0 33 31 28 26 24 21 19 16 14 12 96 or 48 Default 0 disabled S48 sets the maximum speed in bps at which the modem can attempt to connect in V 34 mode The two digit value corresponds...

Страница 57: ...factory default setting of 45 seconds is insufficient the abort timer times out and cancels the call before a connection is made To change the S7 value to 55 seconds type ATS7 55 and press ENTER Now after dialing the modem allows 10 more seconds for a carrier signal before aborting the call The additional 10 seconds should provide enough time for international calls Examples of Reading Values 1 To...

Страница 58: ... F9 command See Chapter 3 For convenience you can include the W command in the same command string that sets the new values in active memory as in the following example AT E2 SP1 L3 R0 MB19200 SB115200 EB1S0 10 W0 CR The W1 command erases your custom settings in NVRAM the next time the modem is turned off or reset causing the modem to read the factory default settings in ROM when it is subsequentl...

Страница 59: ...CommPlete Communications Server 53 5 Testing the MT3334HD8 ...

Страница 60: ...pback test allows you to verify that the remote computer or terminal the remote modem the serial ports the telephone line and the local modem are functioning properly Note All loopback tests operate at all speeds except 300 bps Other tests are initiated with the MultiModemManager software as explained in the MultiModemManager Owner s Manual Local Analog Loopback Test V 54 Loop 3 In this test data ...

Страница 61: ... the modem to command mode 9 Your modem passes this test if the data received on your monitor are the same as the data entered from your keyboard If different data appear on your monitor your modem is probably causing the problem though it could also be your computer If your modem passes this test but you are receiving errors while on line the remote modem or the phone line could be at fault Remot...

Страница 62: ...ocal modem exits command mode and enters online mode 6 Enter data from your keyboard For this test typing multiple uppercase U characters is a good way to send an alternating test pattern of binary ones and zeroes Data received by the remote modem enters its analog receiver is converted to digital data is reconverted into analog and then is transmitted back to your modem Your modem passes this tes...

Страница 63: ... 2 Dial the remote modem and establish your online connection 3 Type an escape sequence AT CR or BREAK AT CR to bring your modem into command mode while still maintaining the connection with the remote modem 4 Type ATU3 and press ENTER Once you receive an OK message from your modem if responses are enabled your modem is placed in digital loopback mode 5 Have someone enter data from the remote keyb...

Страница 64: ......

Страница 65: ...CommPlete Communications Server 59 6 Warranty Service and Technical Support ...

Страница 66: ...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 outside the USA your local distributor of Multi Tech products usually offers the quickest and most economical repair option If necessary you may s...

Страница 67: ...______________________________________ 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 ATI1 CR in terminal mode to display the modem firmware version Plea...

Страница 68: ... to three main areas the Files Menu the Message Menu and Bulletins For help on menu commands type Downloading a File If you know the file name 1 From the Main Menu type F to access the Files Menu then type D 2 Enter the name of the file you wish to download from the BBS 3 If a password is required enter the password 4 Answer Y or N to the automatic logoff question 5 Select a file transfer protocol...

Страница 69: ...Multi Tech BBS has no public discussion area To leave a personal message select the Message Menu by typing M at the Main Menu Type E then press ENTER to select the Sysop conference Enter the name of the recipient or Sysop the subject and the message text Press ESC to finish then type S to save the message and exit To abort the message at any point leave any of the fields blank and press ENTER Bull...

Страница 70: ...he Multi Tech Fax Back Service Multi Tech s fax back service provides 24 hour access to sales marketing and technical literature for customers in the USA Dial 612 717 5888 follow the voice prompts and enter the document number for either the Sales and Marketing catalog or the Technical Support catalog of documents For convenience write your fax number in the following space _______________________...

Страница 71: ...e 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 Highlight Active Port and select the COM port to which the MT3334HD8 is attached Highlight ...

Страница 72: ...MT3334HD8 User Guide 66 CommPlete Communications Server ...

Страница 73: ...CommPlete Communications Server 67 Appendixes ...

Страница 74: ... 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 126 _ ...

Страница 75: ... per cycle or a rate of 10 pulses per second The interdigital pause time is 800 ms The pulse ratios are controlled by the P command Closed Open Digit 2 Digit 1 A B Figure B 1 Dial pulses Tone Dial Frequencies The tone dialing method combines two frequencies for each of the twelve digits found on a touch tone dial pad This method is referred to as dual tone multi frequency DTMF dialing The four hor...

Страница 76: ... 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 B 3 Extended DTMF frequencies ...

Страница 77: ...has detected carrier at 14400 bps and gone online 19 CONNECT 19200 Modem has detected carrier at 19200 bps and gone online 21 CONNECT 21600 Modem has detected carrier at 21600 bps and gone online 23 CONNECT 1275 Modem is connected in V 23 mode 24 CONNECT 24000 Modem has detected carrier at 24000 bps and gone online 26 CONNECT 26400 Modem has detected carrier at 26400 bps and gone online 28 CONNECT...

Страница 78: ...14400 LAPM 19L CONNECT 19200 LAPM 21L CONNECT 21600 LAPM 24L CONNECT 24000 LAPM 26L CONNECT 26400 LAPM 28L CONNECT 28800 LAPM 31L CONNECT 31200 LAPM 33L CONNECT 33600 LAPM Data Compression If the modem connects using data compression the word COMPRESSED or the letter C is added to the CONNECT responses Standard AT Result Codes Q1 If standard AT command set responses are selected by the Q command t...

Страница 79: ...er signal must be lost before the modem disconnects S10 255 causes the modem to not disconnect with loss of carrier S11 1 ms 1 255 80 255 80 255 70 80 80 Sets spacing and duration of dialing tones 50 ms is the recommended minimum S13 decimal 0 1 127 37 Sets ASCII code for remote configuration escape character S13 0 disables remote configuration S17 10 ms 1 255 25 Sets the length of the break time ...

Страница 80: ...8 26 24 21 19 16 14 12 96 or 48 0 SetsmaximumV 34connectspeed 33 33600 bps 31 31200 bps 48 4800 bps 0 default disables feature same as S48 33 S94 1 sec 0 254 255 45 Sets the maximum time the modem remains out of service when H1 is active S94 255 causes the modem to remain out of service indefinitely until it receives an enable from the management software Values for International and Canadian mode...

Страница 81: ... models An n 0 or 1 Answerback A0 Answerback off A1 Answerback on An n 0 or 1 Auto Reliable Buffering A0 Discard data received during establishment of reliable connection A1 Buffer data received during establishment of reliable connection An n 0 3 Auto Speed Detection in Answer Mode A0 Start at maximum speed and fall back to 14400 to 12000 to 9600 to 4800 to 2400 to 1200 to 300 bps A1 Maximum spee...

Страница 82: ...s and the T P R comma colon and semicolon characters DsNd s phone d 0 or 1 Store Phone Number To store enter D followed by telephone number s then N followed by directory number d Dn n 0 1 2 Data Terminal Ready Control or 3 D0 Modem ignores DTR signal D1 When DTR drops the modem hangs up While DTR is low the modem accepts commands but will not dial or auto answer until DTR goes high again D2 Same ...

Страница 83: ...control E5 XON XOFF flow control XON XOFF Pass Through E5 selected E6 XON XOFF not passed through E7 XON XOFF passed through Hewlett Packard ENQ ACK Pacing E8 ENQ ACK pacing off E9 ENQ ACK pacing on Non Error Correction Mode Flow Control E10 Non error correction mode flow control off E11 Non error correction mode flow control on Pacing Computer Initiated Flow Control E12 Pacing off E13 Pacing on D...

Страница 84: ...ection mode connect if CR received Fn n 0 or 1 Echo Canceler Offset Frequency Compensation F0 Disable echo canceler offset frequency compensation F1 Enable echo canceler offset frequency compensation Fn n 0 1 or 2 Fallback Modes When Online F0 No fallback when online F1 Fall back incrementally from maximum speed to 4800 bps F2 Fall back incrementally to 4800 bps fall forward when line improves Gn ...

Страница 85: ...ist additional parameters L8 List online diagnostic parameters L9 List line probe signal strength data L10 List line probe signal to noise ratio L11 List line probe noise data Note To use L9 L10 or L11 when online you must first escape to command mode by typing ATLn CR for n type 9 10 or 11 Type ATO to return on line Ln n 0 1 2 3 V 42 Error Correction Mode or 8 L0 Modems negotiate V 42 mode L1 MNP...

Страница 86: ... Linking Dial stored number d if that is busy dial stored number e The command may be extended NdNeNdNe to cycle between the two numbers O n a Go Back On Line Exit command mode and go into online mode after using the escape code to do the reverse P In dialing command Pulse Dial Modem pulse dials numbers that follow P Pn n 0 or 1 Set Pulse Dial Ratios P0 60 40 pulse ratio P1 67 33 pulse ratio Note ...

Страница 87: ...s the modem to renegotiate the data rate RP n a Immediate Line Probe Initiates a retrain that makes the modem read line probe information if DP1 is selected Valid only when online in V 34 mode RR n a Retrain Initiates an immediate retrain without a line probe reading Rn n 0 or 1 Retransmit Count R0 Disconnect after 12 retransmits R1 Do not disconnect after 12 retransmits Sr n r 0 11 13 24 25 30 32...

Страница 88: ...sword Password is case sensitive S y y password Store Setup Password Password must be 6 10 characters long and may consist of any keyboard characters T In dialing command Tone Dial Modem tone dials numbers following the T Tn n 4 or 5 Respond to Remote Digital Loopback Signal T4 Enable response to remote digital loopback signal T5 Disable response to remote digital loopback signal Tn n 0 or 1 Calli...

Страница 89: ...xtended result codes with NO DIAL TONE does not look for busy signal X3 Extended result codes with BUSY does not look for dial tone X4 Extended result codes with NO DIAL TONE and BUSY Xn n 0 or 1 Number of XOFF Characters Sent X0 Single XOFF character sent after buffer is full X1 Multiple XOFF characters sent one for every character received after buffer is full Yn n 0 or 1 Long Space Disconnect Y...

Страница 90: ...cessing next part of command 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 or as defined by S34 and a RETURN BREAK AT CR Break Escape Sequence Alternate escape method Puts modem in command mode while still remaining on line Enter break signal followed by the letters A and T up to sixty command charac...

Страница 91: ...e 2 COMMAND Mode 3 Enter the number 2 The remote modem responds with a request for the setup password Password 4 Enter your setup password If the password is correct the remote modem responds with OK 5 You can now send AT commands to the remote modem 6 When you have finished configuring the remote modem save the new configuration by typing AT W0 CR then type ATO CR to exit remote configuration The...

Страница 92: ... but must be six to ten characters long The modem responds with OK 6 The new passwords are saved automatically You may now either enter more AT commands or exit remote configuration with ATO CR The next time you remotely configure the modem you must use the new setup password Note Passwords are case sensitive The next time you enter the password it must be in the same case as you set it up Changin...

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

Страница 94: ...rs 13 summary 75 A 12 40 A 35 A 16 AT 12 13 B 24 D 12 16 D N 19 20 E 22 H 16 I 35 61 L 20 L5 35 52 L6 36 52 L7 35 52 L8 36 42 L9 42 L10 42 L11 42 N 20 N N 20 O 40 P 17 Q 22 R 18 S 51 S 51 T 17 U 43 V 23 W 17 X 17 18 23 Y 28 Z 22 A 24 BS 36 C 29 49 CD 25 D 29 E0 31 E1 31 E2 31 E3 37 E4 37 E5 37 E6 37 E7 37 E8 38 E9 38 E10 38 E11 38 E12 38 E13 38 E14 31 E15 31 F 21 52 G 26 P 27 69 Q 23 71 72 R 30 49...

Страница 95: ...8 Clear to Send Control command 30 Cleardown at Disconnect command 25 comma 48 command buffer 13 50 command mode 12 disabling 12 25 command mode control 25 command string 12 19 CompuServe 63 configuration remote 85 Continuous Redial command 16 18 CTS signal control of 30 disconnect drop time 49 flow control 37 interaction with RTS signal 30 CTS RTS interaction control 30 D DAA 2 data bit 37 data c...

Страница 96: ...s command 26 H handshake 24 hanging up 16 39 Hardware Flow Control command 37 I Immediate Line Probe command 42 inactivity timer 49 in band escape sequence 39 indicators 2 Inquire Product Code command 35 installation 8 9 Internet 2 L LED indicators 2 line feed character 47 List Current Operating Parameters command 35 List Current S Register Values command 36 List Online Diagnostics command 36 List...

Страница 97: ... disable 22 extended codes 23 Multi Tech 71 set selection 23 standard 72 summary 71 verbose terse selection 23 Result Codes Multi Tech or Standard AT command 23 Result Codes Verbose Terse command 23 Result Codes and Call Progress Selection command 17 23 Result Codes Enable Disable command 22 Retrain command 36 Retransmit Count command 33 return character 47 Return to Command Mode command 18 Revers...

Страница 98: ...dialing 69 Tone Dial command 17 tone dialing 48 transmission speed 33 34 Trellis Coded Modulation command 27 U upgrading the firmware 64 V V 21 24 V 22 24 V 22bis 24 V 32 25 26 V 32bis 25 26 V 34 25 26 asymmetric bit rate 28 connect speed 50 echo canceler frequency offset compensation 28 V 42 31 32 V 42 Error Correction at 300 bps command 32 V 42 Error Correction Mode command 31 W Wait for New Dia...

Страница 99: ......

Страница 100: ...P N 82063701 ...

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