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DIVA T/A PC Card Reference Guide 27

General AT Commands—Continued

Command

Description

AT>VDD

Initialization Status Display (North
America only): Displays information about
the detection progress, the initialization of
the logical channels, as well as auxiliary
information.

AT>VCP

View Protocol Parameters: Displays the
protocol parameters (V.120, PPP, MLPPP).

AT>VCS

View Static Parameters: Displays all static
parameters (ISDN, Rate Adaptation).

AT>Hs

View Help Information:

Displays full or partial help for any AT
command, where s specifies which AT
command help is requested for.

AT?

View Last Accessed S-Register: This
command displays the contents of the
“selected” S-Register. The “selected” S-
Register is the last S-Register that was
accessed using an S-Register command, or
selected with the ATSn command.

A/

Re-execute Previous Command: Re-
executes all the commands in the command
buffer. This command is mainly used to place
another call (using the ATD dial command)
that failed to connect due to a busy line, no
answer, or a wrong number. This command is
not preceded by AT nor followed by Enter.

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Содержание DIVA T/A

Страница 1: ...DIVA T A PC Card Reference Guide ...

Страница 2: ...ovements and or changes in the products and or programs described in this publication at any time A Product Comment Form is provided at the back of this publication If the form has been removed address your comments to Eicon Technology Corporation Attn Corporate Publications 9800 Cavendish Blvd Montreal Quebec Canada H4M 2V9 Eicon Technology may use or distribute whatever information you supply in...

Страница 3: ...a Compression 13 AT Commands 14 Alphabetical List of Supported AT Commands 16 General AT Commands 25 ISDN Configuration Commands 29 COM Port Configuration Commands 34 Call Control Commands 39 V 120 Configuration Commands 42 V 110 Configuration Commands 45 Profile Commands 46 Multilink PPP Commands 48 Utility Commands 51 Mini monitor Commands 53 AT Command Result Codes 54 ...

Страница 4: ...lity has spread many millions of computer users have turned to ISDN and new users are coming on board even faster ISDN stands for Integrated Services Digital Network Integrated Services refers to ISDN s ability to deliver two simultaneous connections in any combination of data voice video and fax over a single line Multiple devices can be attached to the line and used as needed That means an ISDN ...

Страница 5: ...ease throughput to around 250 Kbps Telecommuters for example benefit immensely from ISDN Whether you access the corporate LAN in the evenings or maintain a full time remote home office ISDN is the next best thing to being there E mail database access and file transfers improve dramatically making it seem like you re locally attached to the LAN Internet access is another great application for ISDN ...

Страница 6: ...nel is 64 Kbps The control signals used to set up the connection however are not sent over the B channel The call establishment is done on the D channel using common channel signaling This concept will be discussed shortly Two kinds of connections can be established over a B channel Circuit Switched Packet Switched Circuit switched connections are ideal for voice traffic for several reasons Voice ...

Страница 7: ...s are fast facsimile teleconferencing and video An H channel user can subdivide the channel using TDM to meet specific requirements Connecting to ISDN BRI and PRI There are two types of access interfaces to the ISDN Basic Rate Access also referred to as Basic Rate Interface BRI and Primary Rate Access also referred to as Primary Rate Interface PRI Basic Rate Access Basic Rate Interface or Access c...

Страница 8: ...It lets you use simple codes to order pre configured packages of ISDN features and services The North American ISDN User s Forum NIUF and Local Exchange Carriers LEC administer the assignment of codes Bellcore administers the National ISDN Ordering Code IOC process We recommend the use of the following ISDN Ordering codes When ordering your ISDN line use these codes depending on which method your ...

Страница 9: ...oSPID works in the following manner If there are no SPIDs configured then AutoSPID attempts to determine and then assign SPIDs and DNs to the location designated to store the AutoSPID parameters The location for storing your AutoSPID information can be configured on the Advanced Configuration page If AutoSPID fails to detect the SPIDs try entering the DNs in a 10 digit format and the DIVA T A will...

Страница 10: ...ows Configuration Tool or specify Yes for the Non Initializing parameter in the VT 100 Configuration Tool Warning NI 1 switches only While in Non Initializing Terminal mode the DIVA T A will only allow outgoing calls to be made and most line interfaces will allow some form of restricted operation for example access to operator and emergency services All incoming calls will be rejected No AutoSPID ...

Страница 11: ... required to establish the Multilink PPP connection with the target system over ISDN lines This allows for the more efficient use of the ISDN line without requiring any changes to the PPP stack currently loaded on your PC While Multilink PPP effectively doubles the DIVA T A s throughput to 128 kbps the DIVA T A can support COM port bit rates as high as 512 kbps by enabling the Turbo Mode feature T...

Страница 12: ...bers of those ports A bandwidth control protocol also allows a user at the calling location to establish a multilink session by knowing only one telephone number instead of all the numbers to be dialed for the full session With a bandwidth control protocol the answering location provides the calling location with a list of the remaining telephone numbers to be used for the connection and the addit...

Страница 13: ... the character it will be transmitted three times faster Popular compression algorithms typically reduce the size of the data by 50 effectively doubling the rate at which it is transmitted The Compression Control Protocol CCP works with MLPPP and is responsible for configuring enabling and disabling data compression algorithms on both ends of the point to point link PC Compression negotiation take...

Страница 14: ...Format When using AT commands you must follow these conventions A command line consists of a prefix body and terminator Each command line must begin with AT except A and AT commands must be terminated by a carriage return except A Commands entered in upper or lower case are accepted The body is a string of commands restricted to printable ASCII characters 032 126 Space ASCII 032 and control charac...

Страница 15: ... of a direct command or a re execute command will be aborted if another character is entered before completion of the handshake The maximum number of characters on any command line is 80 including A and T If a syntax error is found in a command the remainder of the line will be ignored and an ERROR code will be returned Missing decimal parameters n are assumed as 0 Most commands entered with param...

Страница 16: ...e effect until you restart your system use the AT Wn command to restart your system Changes to all other parameters dynamic parameters take effect immediately AT Command Description See Page ATA Answer Calls 40 ATDn Dial a Number 40 ATEn Local Echo 35 ATH Hangup a Call 41 ATIn View Product Information 25 ATO Return Online 25 ATQn Quiet Result Codes 36 ATSn Establishes S Registers n as the selected...

Страница 17: ...7 ATSn Value of S Register n 26 ATVn Result Code Format 37 ATWn Connect Message Control 37 ATXn Extended Results Code 38 ATZn Restart Diva 47 AT C1 n ISDN Switch Type Primary 29 AT C11 n ISDN Switch Type Alternate 29 AT C2 n AutoSPID Storage Location 30 AT C4 n Enable Disable Primary Non initializing mode 30 AT C41 n Enable Disable Alternate Non initializing mode 30 AT C5 n Enable Disable Primary ...

Страница 18: ...rnate SPID Number applicable to North America only 31 AT C7 n ISDN Primary SPID Number for second B channel applicable to North America only 31 AT C71 n ISDN Alternate SPID Number for second B channel applicable to North America only 31 AT E0 n V 120 N201 Tx Maximum Transmit Frame Size 42 AT E1 n V 120 N201 Rx Maximum Receive Frame Size 42 AT E2 n V 120 Multiframe Mode 42 AT E3 n V 120 K Window Si...

Страница 19: ...ectory Number 32 AT N2 n ISDN Primary Directory Number for second B channel 32 AT N21 n ISDN Alternate Directory Number for second B channel 32 AT N3 n ISDN Primary Subaddress 33 AT N31 n ISDN Alternate Subaddress 33 AT N4 n ISDN Primary Subaddress for second B channel 33 AT N41 n ISDN Alternate Subaddress for second B channel 33 AT On Outgoing Call Type 33 AT V0 n V 110 Configuration Override 45 ...

Страница 20: ...110 Flow Control 45 AT MENU Activate VT100 Configuration Tool 26 AT CP n Enable Disable Compression 51 AT In On Demand SPID Testing North America only 51 AT SL Stop LAPD Trace 52 AT SM Stop Mail Trace 52 AT SP Stop PPP Trace 52 AT SQ Stop Q 931 Trace 52 AT VI View Initial Profile 51 AT VL View LAPD Trace 52 AT VM Start Mail Trace 52 AT VP View PPP Trace 52 AT VQ View Q 931 Trace 52 ...

Страница 21: ... Discriminator Class 48 AT M2 n Remote Endpoint Discriminator Class 48 AT M3 n Local Endpoint Discriminator Address 48 AT M4 n Remote Endpoint Discriminator Address 48 AT MT1 n Set Turbo Mode Bit Rate 35 AT MT2 n Set Turbo Mode Threshold 36 AT P5 Enable Bandwidth Allocation Control Protocol Bandwidth on Demand 48 AT P6 Set Initial Billing Interval Timer 49 AT P7 Set Billing Interval Timer 49 AT Cn...

Страница 22: ... V View Current and Stored Profile 47 AT Wn Save Current to Stored Profile 46 AT Yn Designate Stored Profile n as the Powerup Profile 46 AT Zn n Store Telephone Number s 40 AT n Last accessed S Register to Value n 26 AT F Restores All Profiles to Factory Settings 46 AT FC Reset Current Profile 46 AT Hs View Help Information 27 AT VC View Current Profile 47 AT VCC View Call and COM Port Parameters ...

Страница 23: ...rotocol Parameters 27 AT VCS View Static Parameters 27 AT VD View Link And Connection Status Information 26 AT VDC View Connection Status 26 AT VDL View Link States 26 AT VPn View Stored Profile n 47 AT VT View Stored Phone Numbers 26 AT Z Restart the DIVA T A 47 AT View Last Accessed S Switch 27 AT Vn Connect Message Control 38 A Re execute Previous Command 27 Load Loading New Firmware 53 Dump Du...

Страница 24: ...ence Guide 24 Alphabetical List of Supported AT Commands Continued AT Command Description See Page Msg Display Cause for Entering Monitor 53 F Reset Factory Profiles 53 Escape Sequence 28 Last AT Command Result Explained 28 ...

Страница 25: ...detect string ATO Return Online In the online data mode the DIVA T A is ready to send and receive data providing you are connected Normally the DIVA T A remains in this mode until your computer sends the data mode escape sequence or until the call is terminated Note This command can only be used when the DIVA T A is in the online escape mode ATSn Establishes S Register n as the Selected Register T...

Страница 26: ...st accessed S Register to the new value n AT VD View Connection and Link Status Information This command displays link and connection status for troubleshooting problems Your Eicon Technology Customer Services representative may ask you to display this information AT VDL View Link States Displays the link states AT VDC View Connection Status Displays the connection status AT VT View Stored Telepho...

Страница 27: ...s View Help Information Displays full or partial help for any AT command where s specifies which AT command help is requested for AT View Last Accessed S Register This command displays the contents of the selected S Register The selected S Register is the last S Register that was accessed using an S Register command or selected with the ATSn command A Re execute Previous Command Re executes all th...

Страница 28: ... then enter the escape character three consecutive times and wait another second Its value is stored in S Register 2 The default value of the escape character as stored in S Register 2 is Last AT Command Result Explained The command no AT prefix required reports the result of the last AT command issued This command is useful for debugging long strings of AT commands and for determining which comma...

Страница 29: ...1 n AT C11 n ISDN Switch Type Specifies the ISDN Switch Type for your primary AT C1 or alternate AT C11 configuration Note These parameters are static They do not take effect until you restart your DIVA T A For North American Firmware n 0 National ISDN n 1 AT T 5ESS Custom n 9 default for North America Auto detect switch type If you have multiple ISDN line definitions the DIVA T A automatically de...

Страница 30: ...n to Primary or Alternate North American version only n 0 Primary default n 1 Alternate Note This parameter is static Changes do not take effect until you restart your DIVA T A AT C4 n AT C41 n Enable Disable Non Initializing mode first B channel Specifies whether the first B channel in the ISDN primary AT C4 or alternate AT C41 ISDN settings is set to Non Initializing mode North American version ...

Страница 31: ...annel For North America only The SPID Service Profile Identifier as assigned by your local telephone company for your primary AT C6 n or alternate AT C61 n configuration This number is a unique ID which identifies an ISDN terminal to the local ISDN switch Note These parameters are static They do not take effect until you restart your DIVA T A AT C7 n AT C71 n SPID Number for 2 nd B channel For Nor...

Страница 32: ...haracters Valid characters are 0 9 and Default null string Note These parameters are static They do not take effect until you restart your DIVA T A AT N2 n AT N21 n ISDN Directory Number for 2 nd B channel Your local ISDN data directory number as assigned by your local telephone company for your primary AT N1 n or alternate AT N11 n configuration This number is used by the DIVA T A to identify its...

Страница 33: ...our DIVA T A AT N4 n AT N41 n ISDN Subaddress for 2 nd B channel The ISDN subaddress is used to further identify the terminal on the ISDN basic rate interface for your primary AT N4 n or alternate AT N41 n configuration In cases where two terminals share the same directory number the subaddress identifies which terminal will answer a particular incoming call This number is a string with up to 20 c...

Страница 34: ...he Data Terminal Ready DTR input n 0 Ignores status of DTR signal n 1 Monitors DTR signal when an on to off transition of DTR signal occurs enter the command state Return to the online state when the ATO command is issued n 2 Monitors DTR signal when an on to off transition of DTR signal occurs hang up and enters the command state default n 3 Monitors DTR signal when an on to off transition of DTR...

Страница 35: ... RTS CTS and XON XOFF flow control AT Sn Data Set Ready Data Set Ready DSR controls the behavior of the DSR output n 0 DSR always on default n 1 DSR always on after protocol is connected ATEn Local Echo The E command enables or disables command echo on your computer If you do not see commands entered on your screen enable command echo If you see double characters disable command echo n 0 Disables ...

Страница 36: ... to configure the character used to escape from the data mode and return to the AT command mode n can be a value between 0 255 default is ASCII 043 translates into the character A value of 128 255 disables the escape function ATS3 n Carriage Return Character Sets the character that the AT command processor uses to detect the end of a command line in both the receive and transmit directions n can b...

Страница 37: ...splay messages as digits or words Word responses are preferable since they are more meaningful n 0 Result codes are sent to the DIVA T A as numbers short form n 1 Result codes are sent to the DIVA T A as full words long form verbose default ATWn Connect Message Control This command controls the format of connection messages n 0 Upon connection the DIVA T A reports the DTE speed only for example CO...

Страница 38: ...NECT 2400 CONNECT 19200 n 2 Provide basic result codes connection speed and DIALTONE detection default n 3 Provide basic result codes connection speed and BUSY signal detection n 4 Sends all messages n 5 Terminal screen displays the remote number along with the RING message If the remote number is not known the message UNKNOWN is displayed AT Vn Connect Message Control This command controls the fo...

Страница 39: ...ption protocol on the DIVA T A workstation and the remote device RAS Server ISDN adapter Multilink PPP does not support the callback feature used by some servers for security purposes When using Multilink PPP for incoming calls only SPAP or PAP authentication are supported Windows NT only In order to support incoming calls with Windows NT RAS Server you must enable the parameter Allow clear text a...

Страница 40: ...DIVA T A to go online dial the specified number and attempt to establish a connection Punctuation characters may be used for clarity with parentheses hyphens spaces and periods being ignored Also the P T W and R dial modifiers used by modems are ignored since they are not relevant to ISDN The and characters are used to dial two numbers within the same dialing string The following modifiers can be ...

Страница 41: ... connection is terminated ATS0 n Rings to Auto Answer Allows you to enable or disable auto answer Setting a value other than 0 instructs the DIVA T A to auto answer after n rings A value of 0 instructs the DIVA T A to disable the auto answer mode Specify a value between 0 255 default is 0 ATS1 View Ring Count Use this command to display the current number of rings incoming call ...

Страница 42: ...ived from the remote V 120 device Valid range is 16 260 Default 260 AT E2 n V 120 Multiframe Mode The V 120 protocol supports two different transfer modes described below n E Multiframe mode is enabled default This mode provides acknowledged transfers by using Information I and acknowledgment RR RNR frames and provides error correction and recovery procedures The link verification procedure is pro...

Страница 43: ...mitted frame was received by the remote device prior to its retransmission The unit of measurement is 1 10 seconds Valid range is 1 255 Default 15 equal to 1 5 second The value specified for T200 Retransmission Timer must be less than the value specified for T203 Link Integrity Timer Otherwise the default values are used AT E5 n V 120 N200 Maximum Retry Count Applicable to the multiframe mode only...

Страница 44: ...is 1 255 Default 30 The value specified for T200 Retransmission Timer must be less than the value specified for T203 Link Integrity Timer Otherwise the default values are used AT E7 n V 120 Idle Timer AT E7 n Idle Timer refers to the maximum time without the exchange of data frames between the local and the remote devices and before the automatic termination of the connection Its purpose is to red...

Страница 45: ...efault n 1 AT V1 n V 110 Stream Rate Specifies the V 110 Stream Rate Values for n 1200 2400 4800 9600 19200 Default 19200 AT V2 n V 110 Character Length Specifies the character length Values for n 7 or 8 Default 8 AT V3 n V 110 Parity Specifies the parity used for V 110 Values for n 0 none 1 even 2 odd 3 one 4 zero Default 0 AT V4 n V 110 Stop Bits Specifies the Stop Bits used for V 100 Values for...

Страница 46: ...inal factory settings Reverts the powerup profile to number 0 Use when you need to reset the card to its original factory settings Warning All previous user defined settings are lost AT FC Reset Current Profile and Telephone Numbers Resets the current profile and telephone numbers to the default factory settings AT Wn Save Settings as Profile n Writes storable parameters of current profile in memo...

Страница 47: ...IVA T A using the powerup profile Use anytime you want to load the powerup profile AT VC View Current Profile Presents a screen display of the current profile settings on your DIVA T A AT VPn View Stored Profile Presents a screen display of the desired stored profile where n is the number of the stored profile 0 1 2 you want to view AT V View Current and Stored Profiles Displays the current and st...

Страница 48: ...s See the section Endpoint Discriminator Class Address on page 50 AT M3 n Local Endpoint Discriminator Address Specifies the local endpoint discriminator address See the section Endpoint Discriminator Class Address on page 50 AT M4 n Remote Endpoint Discriminator Address Specifies the remote endpoint discriminator address See the section Endpoint Discriminator Class Address on page 50 AT P5 n Enab...

Страница 49: ...If the value is set to 0 the timer is not used Setting this value to 0 also effectively sets AT P7 to 0 n can be a value from 0 to 65535 Default value 60 seconds AT P7 n Set Billing Interval Timer Sets the timer secs to match the amount of time your ISDN provider designates as the minimum chargeable unit for all subsequent billing Note If the value is set to 0 the timer is not used n can be a valu...

Страница 50: ...ed MAC Address Uses a hexadecimal format with a maximum length of 12 characters Valid characters are 0 9 a f ex AT M3 b3c665ac1 4 PPP Magic Number Block Uses a hexadecimal format with a maximum length of 40 characters and the length must be a multiple of 8 Valid characters are 0 9 a f ex AT M3 b3c665acffff0001 5 Public Switched Network Directory Number Uses a normal telephone number with a maximum...

Страница 51: ... is initialized either with a SPID or in NIT mode If required clear the SPID and disable NIT mode for both channels then reset the card You can then run two SPID tests further tests will be rejected n blank Retrieves any AutoSPID data downloaded from the SPCS during location detection Note that this command does not initiate the AutoSPID procedure it simply retrieves historical data The following ...

Страница 52: ...er parameters are optional Example AT VM starts mail trace with default size of 16K entry_size of 64 bytes no filter AT VM p to pause the mail trace AT VM r to reset the mail trace AT VM s to restart the mail trace AT VP Starts or Displays the result of a PPP trace AT VQ Starts or Displays the result of a Q931 trace AT SL Stops an LAPD trace AT SM Stops a Mail trace AT SP Stops a PPP trace AT SQ S...

Страница 53: ...ay ask you to use these commands Command Description Load Loading new firmware Note This command needs a terminal emulation program which supports XMODEM Dump Dumping memory using XMODEM Note This command needs a terminal emulation program which supports XMODEM Msg Display cause for entering the monitor F Restores all profiles to the original factory settings Reverts the powerup profile to number ...

Страница 54: ...d by CR only The Result Code Format command ATVn determines short or long form usage The following table provides the AT command result codes in both number code and word message as well as a description Number Code Word Message Description 0 OK The DIVA T A has successfully executed your command 1 CONNECT Connection was made the range of the result code response is restricted by the X command suc...

Страница 55: ...nection made at a bitrate less than or equal to 1200 bps 6 NO DIALTONE ISDN not initialized 7 BUSY Remote user busy 8 NO ANSWER Remote user not responding 10 CONNECT 2400 Connection made at a bitrate less than or equal to 2400 bps 11 CONNECT 4800 Connection made at a bitrate less than or equal to 4800 bps 12 CONNECT 9600 Connection made at a bitrate less than or equal to 9600 bps 13 CONNECT 7200 C...

Страница 56: ...te less than or equal to 19200 bps 17 CONNECT 38400 Connection made at a bitrate less than or equal to 38400 bps 18 CONNECT 57600 Connection made at a bitrate less than or equal to 57600 bps 19 CONNECT 64000 Connection made at a bitrate less than or equal to 64000 bps 20 CONNECT 115200 Connection made at a bitrate less than or equal to 115200 bps 21 CONNECT 230400 Connection made at a bitrate less...

Страница 57: ...ction made at a bitrate less than or equal to 57600 bps 59 CARRIER 64000 Connection made at a bitrate less than or equal to 64000 bps 60 CONNECT 128000 Connection made at a bitrate less than or equal to 128000 bps 83 PROTOCOL V 120 V 120 Rate Adaption Protocol 85 PROTOCOL PPPC PPP Protocol 86 PROTOCOL MLPPP Multilink PPP Protocol ...

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