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Atrie 288LCD

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1. ATWn Negotiation Progress Message Command This command controls the format of CONNECT messages ATWO Upon connection the modem reports only the DTE 4 10 speed e g CONNECT 57600 Subsequent responses are disabled Default ATWI Upon connection the modem reports the line speed the error correction protocol and the DTE speed respectively Subsequent responses are disabled ATW2 Upon connection the modem reports the DCE speed e g CONNECT 14400 Subsequent responses are disabled ATXn Extended Result Codes ATXO The modem ignores dialtone and busy tone when dialing Sends standard result codes when a connection is completed regardless of connection speed The modem ignores dialtone and busy tone Sends extended result codes when a connection is made ATX2 The modem ignores busy tone Sends NO DIALTONE if no dialtone is detected in 5 seconds of a dial attempt Sends extended result codes when a connection is made ATX3 The modem ignores dial tone Sends BUSY if busy tone is detected Sends extended result codes when a connection is made ATX4 The modem sends NO DIALTONE if no dialtone is detected in 5 seconds of a dial attempt Sends BUSY if busy tone is detected Sends extended result codes when a connection is made Default ATYn Long Space Disconnect This command sets the modem whether to disconnect when a space of 1 6 seconds or more is received from the remote modem or
2. 41 AT Command Summaty 4 1 AT Command 4 5 MNPIO Command Set 4 29 CHAPTER 5 REGISTERS Introduction 5 1 Commands to Change or Read Register 5 1 I Register 5 5 CHAPTER 6 ITU T V 25BIS OPERATION Configuration of ITU T V 25bis 6 1 ITU T V 25bis Command 5 6 1 ITU T V 25bis Result 6 3 HDLC Sync Operation of ITU T V 25bis 6 4 CHAPTER 7 DIAL BACK UP OPERATION Preparation eee eae eee uM ee 7 1 Dial Back up Operation 7 1 CHAPTER 8 SPECIAL FUNCTIONS Connection nere ne Eae o cene 8 1 Call Back Security MAT puc Peer 8 2 Key LOCK 8 4 Remote Configuration 8 5 APPENDIX A LCD MENU TREE This user s manual is written for both V 34 and V 32bis standalone models It is mainly written for the V 54 standalone modems There are REMARKS to describe the specified model please skip these sections that describe the different models
3. 5 FLOW CONTROL RTS CTS 610 PULSE 3990 6190 10 5 amp O5 CONNECT RIS CIS se Follow RTS amp SO DSR OPTION amp T4 RDL OPTION ALLOW 00 V 32 9600 SYNCCLOCK eee Internal amp YO POWER ON PROFILE 1 ASYM SPD ON OFF 5 COMPRESSION E2 AUTO RETRAIN Enable FF FB L LINE 900 LINE Idle RO RINGBACK OPTION 9050 2nd CHANNEL Off A2 MNP BLOCK SIZE GO MODEM FLOW CNTRL Off L1 MNP BLOCK XTER R1 Follow ring 0 PWR ADJUST EO CALLBAK SECURITYO Off LINK SPEED Press ESC to stop or press ANY KEY to continue 4 23 CMD DESCRIPTION OPTION CMD DESCRIPTION OPTION KEY On KO MNP10 EXT SERVE RO RTS Normal 01 1 2400 8 1 XMIT LEVEL 18 dbm 1 COMPROM EQULIZER 5000 RINGS TO ANSWER 001 5001 RING 5002 5 lt CR gt CHAR 5004 lt LF g
4. 25 BIS lt TERMINAL gt FRAME TYPE lt TERMINAL gt ASI Overspeed lt gt BSC lt FRAME TYPE gt HDLC lt HDLC gt ADDRESS DETECTOR BSC CHAR 00h BSC CHAR 10h BSC CHAR nnh HDLC ADDRESS 008 HDLC ADDRESS 10h HDLC ADDRESS FOh NRZI NRZ HDLC ADDRESS DETECTOR ON HDLC ADDRESS DETECTOR OFF 336 AUTO M 1152 AS 2D IDL 336 O AUTO 1152 AS 2D IDL ATA V34 336 O AUTO A 1152 AS 2D IDL DIAL MODE V34 336 O AUTO D 1152 AS 2D IDL REDIAL MODE V34 336 O AUTO 1152 AS 2D IDL HANG UP V34 336 O AUTO 1152 AS 2D IDL REMOTE lt MAIN gt STATUS MENU AT amp L lt LINE SETUP gt LINE TYPE PSTN 2W LEASED LINE 4W LEASED LINE lt MAIN gt PROTOCOL MENU ATT ATP lt LINE SETUP gt DIAL TONE PULSE PULSE DIAL lt MAIN gt DIAGNOSTIC MENU AT amp P E 3390 6790 20pps lt LINE SETUP gt 3990 6190 10 5 PULSE TYPE 3390 6790 10 5 3990 6190 20 5 DTMF DURATION 000 ms MODEM lt LINE SETUP gt DTMF DURATION 095 ms DTMF DURATION DTMF DURATION 100 ms MODEM MENU 7 lt MAIN gt PROFILE MENU ATSI DTMF DURATION nnn ms lt MAIN gt AUXILIARY MENU A RE ENABLE DIAL BKUP DIAL BACKUP YES m NO lt MAIN gt TERMINAL MENU RESTORE TIMER 000 MINUTE Z LNE SETUPS onim RESTORE TIMER RESTORE TIMER 060 MINUTES lt MAIN gt LI
5. 4 15 AT amp Sn Serial Port DSR Control 4 15 AT amp Tn Loop Test FUNCTIONS iis uon eniti oderit ite 4 15 AT amp Un Trellis Coding Modulation Selection Command 4 16 AT amp V View Profiles and Stored Telephone Number 4 16 AT amp Wn Store Current 4 16 AT amp Xn Select Synchronous Clock Source 4 16 AT amp Yn Power On Profile Selection Command 4 17 AT amp Zn m Store Telephone 4 17 AT Cn Data Compression Protocol Selection 4 17 and Rate Negotiation Command 4 18 AT L Line 5ienal Level iei o edidi 4 18 AT Q Line Signal Quality 4 18 AT Rn Ring Back Message 4 18 AT96S Secondary Channel 4 19 Select Maximum MNP Block Size 4 19 4 2 Transmit Break to 4 19 View Stored Telephone 4 19 Modem Port Flow 4 20 AT Kn Break COMUIOL a terii 4 20 AT Nn Operating MOE siccsscsssc
6. 115200 BPS ASYNCHRONOUS SYNCHRONOUS m 108 2 M108 1 DSR ALWAYS ON DSR POLLOW ITU T DSR POLLOW CARRIER DCD ALWAYS ON DCD FOLLOW CARRIER DCD ON EXCEPT DISCONNECT DCD FOLLOW V 15 HDX RTS FOLLOW RE232 IGNORE RTS CTS FOLLOW RTS CTS ALWAYS ON 8Bits 9Bits 10Bits 11Bits COMMAND MODE V 25bis COMMAND MODE BSC HDLC gt Please refer to pageA 11 2 5 10 2 5 1 2 596 2 2 336 AUTO LOCAL M 1152 AS 2D IDL lt MAIN gt STATUS MENU O 1152 AS 2D IDL PROTOCOL MENU 336 O AUTO REMOTE lt MAIN gt gt TA V34 336 O AUTO A 1152 AS 2D IDL lt MAIN gt DIAGNOSTIC MENU DIAL V34 336 O AUTO D 1152 AS 2D IDL lt MAIN gt PROFILE MENU MODEM E 556 O AUTO lt MAIN gt R 1152 AS 2D IDL MODEM MENU V34 336 O AUTO H 1152 AS 2D IDL lt MAIN gt AUXILIARY MENU lt MAIN gt TERMINAL MENU lt MAIN gt LINE SETUP MENU ATSr n lt MAIN gt REGISTER MENU lt MAIN gt SECURITY MENU ATS23 DTE lt TERMINAL gt SEL DTE SPEED AT amp Q A lt TERMINAL gt SEL ASYN SYN T amp D lt TERMINAL gt DTR OPTION AT amp S DSR lt TERMINAL gt AT amp C DSR OPTION DCD lt TERMINAL gt DCD OPTION AT R RTS lt TERMINAL gt RTS OPTION AT amp R gt 1 gt lt TERMINAL gt CTS OPTION lt TERMINAL gt CHAR LENGTH lt TERMINAL gt
7. AT amp U1 Disables trellis coding modulation AT amp V View Profiles and Stored Telephone Number This command shows the active configuration and four user profiles 4 16 AT amp Wn Store Current Configuration AT amp WO AT amp WI1 AT amp W2 AT amp WS Saves current configuration at user profile O including commands and registers Saves current configuration at user profile 1 including commands and registers Saves current configuration at user profile 2 including commands and registers Saves current configuration at user profile 5 including commands and registers AT amp Xn Select Synchronous Clock Source Selects the source of the transmit clock for the synchronous mode operation In asynchronous mode the transmit and receive clocks are turned OFF In synchronous mode the clocks are turned ON with the frequency of 1200 Hz or faster corresponding to the speed that is selected for modem operation AT amp XO AT amp XI AT amp X2 Selects internal clock The modem generates the transmit clock signal and applies it to the TXCLK output at the serial interface Default Selects external clock The local DTE causes the transmit clock signal on the XTCLK input of the serial interface The modem applies this clock to the TXCLK output at the serial interface Selects slave receive clock The modem drives the transmit clock signal from the incoming carrier and applies it to the TXCLK output at the ser
8. not ATYO Disables the long space disconnect feature Default Enables the long space disconnect feature ATZn Reset The reset command performs the following 4 11 1 Disconnects telephone line 2 Performs self test diagnostics 5 Clears the modem and serial port buffer 4 Restores the profiles that stored in NVRAM 5 Reads configuration switches 6 Enters the command mode The ATZ command can also select the profile O to 5 to recall Key ATZ or ATZO will cause the modem to recall profile 0 ATZ1 will cause the modem to recall profile 1 ATZO Recall profile O ATZI Recall profile 1 ATZ2 Recall profile 2 ATZ3 Recall profile 3 AT amp Cn Serial Port DCD Control AT amp CO Sets CD always ON AT amp CI Sets CD to follow the state of carrier Default AT amp C2 Sets CD ON except during disconnect 3 5 sec Controls the CD signal of the serial port Use this command to achieve special effects to meet the need of central site computers AT amp Dn Serial Port DTR Control AT amp DO Assumes DTR ON AT amp D1 Enters command mode on detecting ON to OFF transition of DTR AT amp D2 Goes ON HOOK on detecting ON to OFF transition of DTR Default AT amp DS Resets the modem on detecting ON to OFF transition of DTR Controls the action on detecting the ON to OFF transition of DTR You can use this command to meet the special requirements for terminals or computers 4 12 AT amp Fn
9. 10 5 min is an optional number which specifies the lowest rate at which the modem may establish a connection The value is decimal coded in units of bps e g 2400 bps The default is 500 for 500 bps 4 lt max_rate gt is an optional number which specifies the highest rate at which the modem may establish a connection The value is decimal coded in units of bps e g 14400 bps specifies the highest rate to be 14400 bps The default is 33600 for 33600 bps REMARK V 32bis modem Function The V 32bis modem do not support the AT MS command To change the protocol and connect mode please use the ATS37 m and ATNn command The Escape Code The Escape Code returns the modem to the command state from the online state without releasing the telephone line This command consists of an escape guard time defined by S register 12 default 1 second and an escape character ASCII code of which is specified in S register 2 default 1 1 The escape character must be entered three consecutive times with a guard time before and after the three characters The modem returns to the local command state and sends the result code OK without releasing the telephone line connections Also see the ATOn and AT amp D1 commands MNP 10 COMMAND SET AT Mn Power Level Adjust Command 4 29 Enables or disables adjustment of the transmit power level to accommodate the signalling requirements of cellular telephone equipm
10. Carrier Loss This delay time allows the carrier to momentarily disappear without causing the modem to disconnect Both modems should have equal values in S register 10 otherwise disconnect occurs when the lower value is reached If the modem can NOT disconnect the line correctly please adjust the register to a lower value If the modem disconnects the line very often please adjust the register to a higher value If the modem connect to V 32 or above protocols this register is ignored The modem will use line quality to disconnect the telephone line Range 1 255 tenths of a second Default 14 1 4 seconds 5 Duration and Spacing This register controls the duration and spacing of DTMF tones The content of this register representing the duration and spacing between DTMF tones generated during tone dialing Range 50 255 milliseconds Default 95 95 milliseconds 512 Escape Code Guard Time Sets the time delay which must be present before and after entering the three characters escape code sequence Set this guard time to zero will disable the escape feature Range 0 255 1 50 of a second Default 50 1 second 514 Bit Mapped Options Status Indicates the status of command options Bit O Reserved Bit 1 Command echo En 5 6 Bit 2 Bit 5 Bit 4 Bit 5 Bit 6 Bit 7 0 Disabled EO Enabled Ef Default Quiet mode On 0 Sends result codes 00 Default
11. Data Terminal Ready and DSR Data Set Ready signal in the RS 232 The DTR signal works in the same manner with the RTS signal and the DSR signal works in the same manner with the CTS signal when setting the modem to do DTR DSR hardware flow control The Modem Operating Mode The modem operating mode determines how the modem communicates with the remote modem The modem operating modes are direct mode normal mode and error correction mode These modes are described bellow Direct Mode A direct mode connection is equivalent to any standard V 34 modem connection In a direct mode connection the maximum throughput is equal to the connection rate and the terminal DTE rate must always match the connection rate For instance if the DTE is set to 33600bps CARRIER 33600 the throughput will not exceed 33600bps On the other hand if the DTE is set to 35600bps and the modem falls back to a 9600bps connection CARRIER 9600 the terminal must be adjusted to operate at 9600bps and the throughput will never exceed 9600bps The flow control AT amp K command is ignored when the modem is set to direct mode The serial port speed is always adjusted to the connection speed of the modem port Normal Mode In a normal mode connection the modem provides data buffers This allows the terminal speed to be different from the connection speed However the maximum modem to modem throughput continues to be equal to connection rate For ins
12. LEDs and front panel switches describe below TD RD MR PWR Ca Ca et 5 TR CD AA e pep qe lt gt ENTER EXIT P Figure 2 1 V 34 V 32bis Modem Front Panel The standalone modem s front panel contains one 16 2 characters LCD display seven LED indicators and four push button switches see Figure 2 1 The LCD display serves to display and configure the status LED indicators serve to display the current operating status and these push button switches serve to configure the LCD controller 2 1 The following sections describe functions of the LCD display LED indicators and the push button switches LCD Display There is a 16 2 characters LCD display on the left hand side of the front panel This user friendly LCD display shows the status and configuration informations of the modem Details on the menu tree of the LCD display are on Appendix A Use the front panel switches and the LCD display to configure or display the modem s status All the commands and settings can be achieved by the LCD controller There are three kinds of screens on the LCD display describe below 1 Main Screen This screen shows the main status of the modem It contains 9 fields see Figure 2 2 describes below FIELD2 FIELD3 FIBLDI x PA FIBLD NS Qr V34 336 AUTO M 1152 AS 2L IDL FIELDS FIELD9 FIELD6 FIELDS FIELD7 Figure 2 2 V 34 Main Screen FIELD2 FIE
13. MNP block size 64 bytes 1 128 bytes 1 Default 2 192 bytes A2 256 bytes 541 Mapped Options Status Indicates the status of command options Bits O 1 Bits 2 6 Bit 5 Bit 4 Bit 5 Bit 7 Compression protocol selection 0 Disabled 96CO 1 MNP 5 C1 2 V 42 bis 90 2 3 MNP 5 and V 42 bis 90 3 Default Auto retrain and fallback fall forward 0 Retrain and fallback fall forward disabled 0 1 Retrain enabled E1 2 Return and fallback fall forward enabled 90 2 Default Modem to modem flow control Gn 0 Disabled GO Default Enabled G1 Block mode control Ln 0 Stream mode LO Default 1 Block mode L1 Reserved Enable fallback to V 22bis V 22 Qn 0 Disabled 00 1 Enabled 01 Default S46 Data Compression Selection This register controls whether the data compression takes effect or not 5 16 546 136 Using error correction without data compression S46 138 Using error correction with data compression Default S48 42 Negotiation Action The V 42 negotiation process determines the capabilities of the remote modem However when the capabilities of the remote modem are known and negotiation is unnecessary this process can be bypassed if desired If an invalid number is entered it is accepted into the S register but S register 48 will act as if 128 has been
14. O in this field represents the originate mode and the A represents the answer mode Field 4 The Protocol Field This field shows the error correction and data compression protocols while connected The content of this field is Display Description AUTO The modem is not connected and set to Auto mode V42B The modem is set to or connected to V 42bis LAPM The modem is set to or connected to V 42 LAPM MNP5 The modem is set to or connected to MNP5 MNP4 The modem is set to or connected to MNP4 MNP10 The modem is set to or connected to MNP1O DIRECT The modem is set to or connected to DIRECT mode NORML The modem is set to or connected to NORMAL mode The V 32bis modem does not support the 10 Recommendation Field 5 The Menu Field This field shows the active motion that the ENTER key been pressed the other fields are status display fields except this field Pressing the LEFT or RIGHT key will change the content of this field The content of this field is 2 4 Display Description Enter Control Menu Enter Originate Mode A Enter Answer Mode D Enter Dial Mode R Enter Redial Mode H Enter Hangup Mode Field 6 The DTE Speed Field This field shows current DTE speed that is communicating with terminal or computer The contents of this field are Display DTE Speed 5 300bps 6 600bps 12 1200bps 24 2400bps 48 4800bps 72 7200bps 96 9600bps 120 12000bps 144 14400bps 168 16800bps 192 19200bps 216 216
15. Status Bit Mapped Options Status Bit Mapped Options Status Data Compression Selection Negotiation Selection Break Signaling Control Call Failure Reason Code PSTN Transmit Attenuation Level 10 5 2 1 0 255 Rings 0 0 255 Rings 43 0 255 ASCII 15 0 127 ASCII 10 0 127 ASCII 8 0 32 ASCII 2 2 255 Sec 45 1 255 Sec 2 0 255 Sec 6 0 255 11 Sec 14 1 255 1 Sec 95 50 255 001 Sec 50 0 255 02 Sec 0 0 255 Sec 0 0 255 5 0 255 01 Sec 1 0 255 01 Sec 70 0 255 01 Sec 0 0 255 Sec 17 0 255 ASCII 19 0 255 ASCII 7 0 7 0 0 12 5 0 255 158 156 158 7 0 7 128 For compatibility only 0 4 5 9 12 15 14 0 15 dB 592 Fax Transmit Attenuation Level 10 0 15 dB S95 Negotiation Message Options 0 599 Leased Line Transmit Attenuation Level 10 0 31 dB S201 Cellular Transmit Level S211 Restore Timer 60 1 255 Minute 5212 Backup Timer 60 1 255 Sec Table 5 1 Modem S registers Register Description SO Number of Rings to Auto Answer Sets the number of rings required before the modem automatically answers a call Setting this register to zero disables the auto answer function Range 0 255 rings Default 1 51 Ring Counter S1 is incremented each time the modem detects a ring signal on the telephone line S1 is cleared if no rings occur over an eight seconds interval Range 0 255 rings Default 0 S2 Escape Character S2 holds the decimal value of the ASCII character used as the es
16. The modem will operate at Sync Mode and you can issue the V 25bis commands To use the HDLC command and indications are the same as the V 25bis command above You have to use the format of HDLC High level Data Link Control Flag Address Control Message FCS m Flag Opening Closing flag 01111110 7EH Address Address Field 11111111 FFH Control Control Field 00000011 03H 00010011 13H Message Command to or Response from modem FCS Frame check Sequence The message is 8 bit ASCII code The modem will ignore the parity bit when received the V 25bis command from DTE The modem sends 7 data bits and odd parity to computer when the modem responses to DTE The control field of each response should be 03H and the last response should be 13H if the responses are multiple 6 4 7 DIAL BACK UP OPERATION The modem provide dial back up function You can use this function to ensure the data s continuity of leased line operation if your data is important If leased line is malfunctioned the modem will automatically dial the stored number in NVRAM and try to connect to dial up line in order to continue data transmission The data transmission must stop during the process of telephone line change flow control is essential to avoid data lose while dial back up function is act
17. attempted if fails a direct mode is made S36 6 An MNP is attempted if fails a normal mode is made S46 ata Compression Protocol Selection This register selects whether the data compression is effective not S46 136 Execute the error correction protocol without data compression S46 138 Execute the error correction protocol with data compression The GIII Fax Function The modem supports the ITU T V 27ter V 29 and V 17 for GIII fax It uses the EIA Class 1 and Class 2 command for compatibility of most communication software It can support from 2400bps to 14400bps GIII Fax speed The Voice Function The modem optionally supports VOICE function The voice function include a voice pass through mode which allows the host to transmit and receive audio signals It uses an ADPCM voice coder and decoder for compression and decompression It can compress and decompress voice signals to allow efficient digital storage of voice messages Using this voice option with the voice application software to achieve the voice function such as answering machine voice on demand and voice mail function 3 10 4 AT COMMAND GUIDELINES Introduction This chapter gives you a detailed explaination of commands available The commands include the Hayes AT command set and some other commands that control extra functions An alphabetical listing of commands is listed below Command Syntax The command must be preceded
18. entering the diagnostic mode with test pattern the testing screen will be as below AL U ATTERN 0000 1 0000 Figure 2 5 Testing Screen When entering this screen the modem will display the BIT ERROR COUNT on the EC field the LOSS SYNC COUNT on the LC field Press the LEFT or RIGHT key will insert one error on EC field Press the ENTER key to reset the EC and LC counter To end the test please press the EXIT key 5 Menu Screen If the Field 5 of the main screen is in iMi and press the ENTER key the modem is in the MENU mode and shows the screen like below lt MAIN gt PROTOCOL MENU Figure 2 6 Protocol Main Menu Each menu screen controls one or some functions press the ENTER key to enter that menu and EXIT to exit LEFT or RIGHT key to change menu For detail about menu tree please refer to 2 7 Appendix A LED Indicators There are seven LED indicator on the front panel These LED indicators display the modem s status It help the user to understand the status of the modem The detail functions are described below TD Transmit Data Flashes when your local DTE Data Terminal Equipment transmits data into the serial port of the modem RD Receive Data Flashes when the local DTE receives data from the modem MR Modem Ready Indicator This LED indicator indicates that the modem is ready for operation This means that the microprocessor is working PWR Power Indicator Light
19. handshake sequence please use this command to disable the keyboard interrupt This command controls only in AT command mode If you set the modem to power on operation V 25 bis or dumb mode the modem will ignore AT Kn command and act as disable keyboard interrupt AT En Asynchronous to Synchronous Interface This command can only be used in Asynchronous direct mode If set in Asynchronous direct mode and cannot connect to remote 4 24 modem please set to standard range AT EO E1 Speed drift in expandsion mode Speed range 2 3 2 5 Default Speed drift standard mode Speed range 1 2 590 AT Rn Serial Port RTS Option AT RO Ignore RTS signal AT R1 RTS action follows RS 232 definition Default This command controls the RTS option of the serial port You can select the options according to the requirement of DTE AT MS Select Modulation This extended format command selects the modulation optionally enables or disables automode and optionally specifies the lowest and highest connection rates using one to four subparameters The command format is 5 mod automode min rate max gt lt ENTER gt Notes 1 For 14400 bps and lower speeds the ATNn command and S register 37 can alternatively be used in which case the AT Ms sub parameters will be modified to reflect the ATNn and S37 x setting Use of the ATNn and S37 x commands is not rec
20. serial port of the modem supports flow control there is no loss of data when the buffer fills Flow control is achieved by using two methods software flow control and hardware flow control Software Flow Control The modem supports two types of software flow control the first is the unidirectional flow control and the second is the bi directional flow control In unidirectional software flow control only the modem can control the terminal s data flow Xoff and Xon characters are sent by the modem to the local or remote computer The Xoff character Determined by S register 33 signals the local or remote computer to pause the flow of data while the Xon character Determined by S register 32 signals the 3 4 local or remote computer to resume flow of data The bi directional software flow control used Xoff and Xon characters to control both the modem s and the computer s or terminal s data flow Your modem supports software flow control on both the modem port and the serial port it also supports hardware flow control on the serial port When flow control is enabled on the modem port the serial port an Xoff character received over the communication lines causes the modem port to stop transmitting data from the modem buffer to the communication lines If the local device attached to the serial port continuously sends data the buffer eventually fills When this happens the modem sends an Xoff character from the serial por
21. the password check is passed the modems enter data mode If not hang up This action has no need to enter password it will confirm right after connection automatically The AT Commands for Connection Security AT OP Set Connection Security This command controls the ON OFF of the connection security You need to enter password to turn ON or OFF the function Enter AT OP lt CR gt Response Please input OLD password Enter password modem The length is fix to 5 digits 8 1 Response Turn on off 1 0 Enter 0 1 Response OK AT Change the Password of the Connection Security The length of the password are 5 digits You can use this command to change the password The factory default is modem Enter lt CR gt Response Please input OLD password Enter password modem Not necessary to press lt CR gt Response gU Please input NEW password Enter NEW password ABCDE Response Please re enter NEW password to verify confirm NEW password ABCDE Response im OK Call Back Security This function is designed for restricted user group The user have to use particular phone line and password to connect This modem can store 20 sets of password and telephone number The length of password are 10 digits and telephone number are 20 digits You can use colon sign to separate the password and telephone number Enter password and call back telephone
22. the Stored Telephone Number This command shows the ten location O to 9 stored telephone numbers You can use this command to verify the number that you stored DIC Disregard Incoming Call The DIC command disables the auto answer function of the modem in ITU T V 25bis operation mode CIC Connect Incoming Call This command enables the auto answer function of the modem 6 2 CNL Execute AT Command This command allows the user to issue and execute the AT command while in the V 25bis command mode ITU T V 25bis Result Code The result code shows the result of the command been executed Detail descriptions of the result codes are showed below RESULT CODE VAL INV CNX m INC CFI m LSN m n DESCRIPTION Command valid and executed successfully Command error can not be executed Modem connect to the remote modem The m indicate the DCE speed Ring signal detected Failure of dialing the imi represents the meanings below ET Line busy RT No answer CB Local modem busy NT No carrier NS Memory location is empty no telephone number stored AB Receive interrupt while dialing Display the stored telephone numbers m indicates the memory location of the telephone number ini indicates the telephone number 6 3 HDLC Sync Operation of ITU T V 25bis Use the front panel LCD controller to enter TERMINAL MENU the n V 25bis mode After you can enter HDLC from the FRAME STRUCTURE menu
23. to DTE in sequence with data 4 2 AT Nn Operating Mode This command controls the preferred error correcting mode to be negotiated in a subsequent data connection This command has the similar function with the S register 56 and 48 and AT amp On command Changing this command will affect these registers and command s content AT NO AT N2 AT N3 AT N4 AT N5 selects normal speed buffered mode disables error correction mode Selects direct mode and is equivalent to amp MO amp QO mode of operation Forces amp QO Selects reliable error correction mode The modem will first attempt a LAP M connection and then an MNP connection Failure to make a reliable connection results in the modem hanging up Forces 6 05 S36 4 and S48 7 Selects auto reliable mode This operates the same as N2 except failure to make a reliable connection results in the modem falling back to the speed buffered normal mode Forces amp 05 S36 7 and S48 7 Default Selects LAP M error correction mode Failure to make a LAP M error correction results in the modem hanging up Forces amp Q5 and S48 0 Note The AT K1 command can override the AT N4 command Selects MNP error correction mode Failure to make an MNP error correction connection results in the modem 3 hanging up Forces 8 05 S36 4 and 548 128 AT Rn Serial Port Ring Indicator Control AT RO Keeps ring indicator ON f
24. to the remote modem and store it to the NVRAM The ITU T V 34 V 32bis V 32 recommendations can offer secondary channel When speed above 4800bps the modem uses secondary channel to transfer configuration data and the main channel still 8 5 can transfer user data But if you using the remote configuration function in ITU T V 22bis the modem uses the main channel to transfer configuration data and the user data must be stopped 8 6 APPENDIX LCD MENU TREE Please find enclosed LCD Menu tree for the front panel LCD controller V 34 MODEM C M 188 MU 110 CM 2 5 RACK MOUNT MODEM MODEM gt Please refer to pageA 3 CONFIGURATION SYSTEM ENTER PASSWORD SET IP ADDRESS SET IP ADDRESS CONFIGURATION 011 012 015 014 SET SUBNETMASK SET SUBNETMASK 112 115 114 SET IP ROUTER SET IP ROUTER 21 212 215 214 SET COMMUNITY ENTER COMMUNITY PASSWORD SET KEY LOCK SELECT KEY LOCK SELECT KEY LOCK MENU ON OFF OFF ON COPY 123 567 9AB DEF 123 567 9AB DEF T23 567 9AB DEF CONFIGURATION 01234 6 89AB E S1234 6 89ABC E 51234 6 89 Remark For Rack Mounted Control Module Only 1 CM 188 RACK MOUNT MODEM MODEM CONFIGURATION SYSTEM CONFIGURATION COPY CONFIGURATION 123 567 9AB DEF 01234 6 89AB E MAIN MENU 556 AUTO M 1152 AS 2D IDL 3386 O AUTO O 1152 AS 2D IDL 336 AUTO 152 AS 2D IDL E gt E MODE 336 AUTO D 1152 AS2D IDL REDI
25. 0 4800 or 2400 Default 64 Bell 103 300 69 Bell 212 1200 74 28800 26400 24000 21600 19200 16800 or 14400 The modem may also automatically switch to another modulation automode subject to the following constraints a There is no standard way to switch from Bell to ITU T in automode b The DTE may disable automode operation see automode gt below c The DTE may constrain the range of modulations available by specifying the lowest and highest rates see lt min rate gt and lt max_rate gt below 2 lt automode gt is an optional numeric value which enables or disables automatic modulation negotiation using ITU T V 8 or ITU T multi mode handshake The options are lt automode gt Option Selected Notes 0 Automode disabled 1 Automode enabled using 8 or multi mode Default The default value is 1 which enables automode Note however there are modulations for which there is no automatic negotiation e g Bell 212 lt mod gt 69 For lt automode gt 0 automode disabled i e fixed modulation a If lt max_rate gt is within the rates supported by the selected modulation the selected rate is that specified by max rate For example 5 9 0 1200 4800 selects V 32 4800 bps fixed rate If max rate is greater than highest speed supported by the modulation specified by mod the starting rate is the highest rate supported by the selected modulation For exam
26. 0 BREAK CONTROL MODE 5 AT amp K DTE DCE lt PROTOCOL gt DISABLE LOCAL FLOW CONIROL FLOW CONTROL UNIDIREC RTS CTS FLOW CONTROL UNIDIREC XON XOF FLOW CONTROL BIDIRECT RTS CTS FLOW CONTROL BIDIRECT XON XOF FLOW CONTROL TRANSPARENT XON XOF FLOW CONTROL RTS CTS XON XOF FLOW CONTROL BIDIRECT DTR DSR FLOW CONTROL UNIDIREC DTR DSR FLOW CONTROL INACTIVE TIMER AT G MODEM lt PROTOCOL gt E DISABLE MODEM MODEM FLOW CONTROL MODEM FLOW ENABLE MODEM MODEM FLOW CONTROL ATA MNP MAX MNP BLOCK 64Bytes lt PROTOCOL gt MAX MNP BLOCK 128Bytes MNP BLOCK SIZE MAX MNP BLOCK 192Bytes MAX MNP BLOCK 256Bytes AT B SEND BREAK 100ms DIRK SEND BREAK 200ms SEND BREAK 300ms SEND BREAK 400ms 5 z 2 356 AUTO LOCAL lt MAIN gt STATUS MENU gt T N lt PROTOCOL gt MODEM MODE V34 336 O AUTO O 1152 AS 2D IDL REMOTE lt MAIN gt PROTOCOL MENU AT C lt PROTOCOL gt COMPRESSION TYPE ATA V34 336 O AUTO A 1152 AS 2D IDL lt MAIN gt DIAGNOSTIC MENU ATS48 V 42 lt PROTOCOL gt DETECTION PHASE DIAL MODE V34 336 O AUTO D 1152 AS 2D IDL lt MAIN gt PROFILE MENU REDIAL MODE MODEM MNPIO AT M V34 336 O AUTO MAIN lt PROTOCOL gt lt MNPI10 OPTION gt DISABLE 1 PWR ADJUSTMENT 1152 AS 2D IDL MODEM MENU MNPIO OPTION POWER ADJUSTMENT ENABLE MNPIO PWR ADJUSTMENT ENABLE MNP10 PWR ADJUSTMENT LOC HANG UP ATSSO AT H V34 336 O AUTO MAIN lt PROTOCOL gt
27. 00bps 240 24000bps 264 26400bps 288 28800bps 312 31200bps 556 33600bps 384 38400bps 576 57600bps 768 76800bps 1152 115200bps maximum DTE speed can only be up to 57600bps for V 32bis 2 5 modem Field 7 The Sync Async Field This field shows the synchronous or a synchronous operation If the display is AS indicates the modem is operates in asynchronous mode if SY indicates the modem is in synchronous operation mode Field 8 The Line Type Field This field shows the telephone line type that the modem is using The contents of this field are Display Description 2D 2 wire dialup line 2L 2 wire leased line 4L 4 wire leased line DB Dial Backup Field 9 The Status Field This field shows the active status of the modem The contents of this field are described below Display Description IDL The modem is idle now TST The modem is in testing mode CNT The modem is connecting to remote modem RTN The modem is retraining now HNG The modem is handshaking now RNG Ring signal is detected by the modem 2 Testing Screen When entering the diagnostic mode the modem shows the testing screen There are two testing screens depending on the test pattern If you entering the diagnostic mode without test pattern the testing screen will be as below 2 6 lt 5 LAL Figure 2 4 Testing Screen Please use the EXIT key to end the test all the other switches are ignored during this screen If you
28. 0bps 28800 bps Modem TA V34 336 O AUTO A 1152 AS 2D IDL lt MAIN gt DIAGNOSTIC MENU IAL MODE V34 336 O AUTO D 152 AS 2D IDL lt MAIN gt PROFILE MENU ATD ATA MODEM SEL ORIG ANS EDIAL MODE 356 AUTO R 1152 AS2D IDL MODEM lt MAIN gt MODEM MENU AT E ANG UP lt MODEM gt 336 O AUTO eee SEL RETRAIN 152 AS 2D IDL PE lt MODEM gt lt MAIN gt SEL CLK SOURCE TERMINAL MENU AT amp G lt MODEM gt lt MAIN gt SEL GUARD TONE LINE SETUP MENU ATSr n lt MODEM gt SEL MULTI MODE lt MAIN gt REGISTER MENU ATSO1 lt MODEM gt SEL PSTN TX LVL lt MAIN gt SECURITY MENU ATS99 lt MODEM gt SELLL TX LVL 92 lt MODEM gt SEL FAX TX LVL FAX TX LEVEL 00dbm FOLLOW DTE FAX TX LEVEL 01dbm V 21 BELL 103 V 22 BELL 212 V 22bis FAX TX LEVEL 10dbm 0 0 0 0 0 0 0 0 0 cmm V 32 4800 FAX TX LEVEL 15dbm V 32bis 7200 V 32 9600 SMART MODE DUMB MODE V 32bis 12000 V 32bis 14400 MODEM f SEL SMART DUMB ORIGINATE MODE ATSO ANSWER MODE lt MODEM gt SEL AUTO ANSWER DISABLE AUTO RETRAIN ENABLE AUTO RETRAIN ENABLE AUTO RETRAIN NOW INTERNAL CLOCK ATS7 EXTERNAL CLOC SLAVE CLOCK W YES 001 RINGS 002 RINGS WAIT FOR CARRIER 0015 NO GUARD TONE WAIT FOR CARRIER nnn S 1800Hz FIXED AUTO AUTO NO V 23 lt MODEM gt AT COMMAND MODE SEL AUTO DIA
29. 1 Does not send result codes 01 Result codes Vn 0 Digit VO 1 Verbose V1 Default Keyboard Interrupt command 0 Enables keyboard interrupt KO Default 1 Disables keyboard interrupt K1 Tone T Pulse P 0 Tone T Default 1 Pulse P Trellis Coding Modulation selection amp Un 0 trellis coding modulation amp UO Default 1 Disables trellis coding modulation amp U1 Originate Answer 0 Answer 1 Originate Default 516 Bit Mapped Test Options Status Indicates the test in progress status Bit O Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Local Analog Loop Back 0 Disabled Default 1 Enabled amp T1 Reserved Local Digital Loop Back 0 Disabled Default 1 Enabled amp T3 Remote Digital Loop Back RDL status 0 Modem not in RDL Default 1 RDL in progress RDL requested 0 RDL not requested Default 1 RDL requested amp T6 RDL with self test 0 Disabled Default 1 Enabled amp T7 Local Analog Loop Back LAL with self test 0 Disabled Default Enabled amp T8 Reserved 5 7 518 Test Timer Sets the length of time the modem conducts a diagnostic test S register 18 is available only when the modem is set to 1200bps or higher When S register 18 is set to 0 the modem will not end the test You must enter the AT amp TO command to end the test Range 0 255 seconds D
30. 1 External clock amp X1 Slave clock amp X2 Bit 6 ITU T Bell mode selection Bn 0 ITU T mode BO 1 Bell mode B1 Default Bit 7 Reserved S28 Bit Mapped Options Status Indicates the status of command options 5 11 Bits 0 2 Reserved Bits 3 4 Pulse dialing amp Pn 0 3990 6190 Make Break ratio at 10 pulses per second 1 3390 6790 Make Break ratio at 10 pulses per second amp P1 Default 2 3990 6190 Make Break ratio at 20 pulses per second amp P2 5 3390 6790 Make Break ratio at 20 pulses per second amp P3 5 Reserved Bits 6 7 MNP Link Negotiation Speed 0 Link negotiation at highest speed Default 1 Link negotiation at 1200 bps H1 2 Link negotiation at 4800 bps H2 S29 Flash Dial Modifier Time Sets the length of time in units of 10mS the modem will go on hook when it encounters the Flash dial modifier in the dial string Range 0 255 10 mS interval Default 70 milliseconds S30 Inactivity Disconnect Timer This register monitors the activity on the line It specifies the time that the modem waits before hanging up while no data is received or sent The timer is disabled when set to 0 Range 0 255 10seconds Default 0 Disabled S31 Bit Mapped Options Status Indicates the status of command options For 28800bps model Bit O Reserved 5 12 Bits 1 Controls auto line speed detection Nn 0 Disab
31. 2 7 Modem Rear Panel AC power ON T 1927 TO DTE LEASED LINE OFF LINE PHONE Figure 2 8 Modem Rear Panel DC power The modem s rear panel contents one power switch one power socket one serial port RS 232C connector one RJ 45 telephone jack and two RJ 11 telephone jacks The following sections briefly describe 2 9 the functions of each part Power Switch The power switch controls the whole power of the modem Turn the switch to OFF position will turn off the modem You can also use this switch to perform power on reset and initiate the modem using an ON OFF ON transient Power Socket AC The power socket is for the power cable that connects the modem to a power source The modem comes with an AC power cable You can use this power cable to connect the modem to the wall outlet of power source Power Socket DC For the DC power option there is a terminator on the rear panel Please connect the FG to the framing ground of the power source Connect the DC 48V to the DC power supply The input range is from DC 35V to 73V and the connection is polarity free RS 232C Serial Port The serial port is a female DB25 connector for the RS 232C cable This connects your modem to your local computer or terminal Leased Line This RJ 45 jack allows user to connect the 2 wire or 4 wire leased line to the modem There are 8 contacts inside the RJ 45 co
32. AL MODE 336 O AUTO R 1152 AS2D IDL HANG UP 336 O AUTO 152 5 2 IDL DIAL STORED NUMBER DIAL STORED DIAL NUMBER REDIAL REDIALING HANG UP DISCONNECT m YES NO DISCONNECT YES m NO lt N LOCAL REMOTE SELECT INDEX 0 9 00 T9995155 DIAL STORED 01 T9994960 DIAL STORED 009 19995120 DIAL STORED lt MAIN gt STATUS MENU lt MAIN gt PROTOCOL MENU lt MAIN gt DIAGNOSTIC MENU lt MAIN gt PROFILE MENU MODEM lt MAIN gt MODEM MENU lt MAIN gt AUXILIARY MENU DIALING 0n DIALING XXX XXX lt MAIN gt TERMINAL MENU lt MAIN gt LINE SETUP MENU ATSr n lt MAIN gt REGISTER MENU lt MAIN gt SECURITY MENU 5 z 2 356 AUTO M 152 AS 2D IDL 336 AUTO O 1152 AS 2D IDL TA 336 AUTO A 1152 AS 2D IDL 336 AUTO D 1152 AS2D IDL gt 356 O AUTO R 1152 AS2D IDL gt 2 336 AUTO 1152 AS2D IDL LOCAL REMOTE lt MAIN gt STATUS MENU lt MAIN gt PROTOCOL MENU lt MAIN gt DIAGNOSTIC MENU lt MAIN gt PROFILE MENU MODEM lt MAIN gt MODEM MENU lt MAIN gt AUXILIARY MENU lt MAIN gt TERMINAL MENU lt MAIN gt LINE SETUP MENU ATSr n lt MAIN gt REGISTER MENU lt MAIN gt SECURITY MENU RS232 DSR_CTS_DCD_ RTS_DTR_RI_ TX 10 RTN 00 RX XX S N XX FREQ SH
33. Atrie 288LCD MODEM User s Manual Atrie 288LCD MODEM USER S MANUAL ATRIE TECHNOLOGY INC ATRIE 336 288 144LCD MODEM USER S MANUAL Version 4 Atrie Technology Inc 10th Floor No 14 Lane 609 Sec 5 Chung Hsin Rd San Chung City Taipei Hsien Taiwan TEL 886 2 2999 5155 FAX 886 2 2999 4960 E MAIL contacts mail atrie com tw C Copyright 1999 ATRIE TECHNOLOGY INC August 1999 TABLE OF CONTENTS CHAPTER 1 INTRODUCTION Overview ieren ee tiene saber cea RM 1 1 reU a 1 2 CHAPTER 2 INSTALLATION Package arena ee 2 1 Modem Panel Description 2 1 Modem Installation 2 10 CHAPTER 5 MORE ABOUT THE MODEM The Modem Mode 3 1 The Modem Port and Serial Port 3 2 Automatic Speed Matching 5 2 Flow 3 4 The Modem Operating 3 6 The ITU T V 42 V 42bis 3 7 The Fax Function 3 10 The Voice 3 10 CHAPTER 4 AT COMMAND GUIDELINES Introduction 4 1 Command
34. FT X X PHASE ROL X X ECHO DLY XXXX ECHO LVL XX PHASE JITTER XXDBG XXHZ DCE RX V34 336 DCE TX V34 336 DTE 1152 AS 2D PRTCL AUTO VERSION 2 5 MODEL i MAIN MENU 336 AUTO M 1152 AS 2D IDL 336 AUTO O 1152 AS 2D IDL ATA 336 AUTO A 1152 AS 2D IDL DIAL MODE 336 O AUTO D 1152 AS2D IDL REDIAL MODE 336 AUTO R 1152 AS2D IDL HANG UP 336 O AUTO 152 5 2 IDL LOCAL REMOTE lt MAIN gt STATUS MENU lt MAIN gt PROTOCOL MENU lt MAIN gt DIAGNOSTIC MENU lt MAIN gt PROFILE MENU MODEM lt MAIN gt MODEM MENU lt MAIN gt AUXILIARY MENU lt MAIN gt TERMINAL MENU lt MAIN gt LINE SETUP MENU gt 4 n lt MAIN gt REGISTER MENU lt MAIN gt SECURITY MENU CONNECT WITH LAPM MNP4 NORMAL ATIN CONNECT WITH LAPM ONLY CONNECT WITH MNP4 ONLY lt PROTOCOL gt CONNECT WITH LAPM MNP4 MODEM MODE CONNECT WITH DIRECT MODE CONNECT WITH NORMAL MODE DISABLE ALL COMPRESSION AT C lt PROTOCOL gt ENABLE MNP5 COMPRESSION COMPRESSION TYPE ENABLE V 42bis COMPRESSION ENABLE MNP5 V 42bis COMPRESSION ATS48 v 42 lt PROTOCOL gt ENABLE NEGO DETECTION PHASE DETECTION PHASE DISABLE NEGO DETECTION PHASE MNPIO lt PROTOCOL gt Please refer to pageA 6 MNPIO OPTION ATS30 INACTIVE lt PROTOCOL gt TIMER 000x10Sec Disable INACTIVE TIMER 100x10Sec INACTIVE TIMER nnnx10Sec AT K MODE
35. L AUTO DIAL PSTN TX LEVEL 00dbm PSTN TX LEVEL 0idbm PSTN TX LEVEL 10dbm MODEM co Ne elena 2nd ON OFF m OFF PSTN TX LEVEL 15dbm LL TX LEVEL 00dbm LL TX LEVEL O01dbm DCD lt MODEM gt 9 43dbm SEL DCD RANGE 0 33dbm LL TX LEVEL 31dbm 5 2 2 336 AUTO M 1152 AS 2D IDL 336 AUTO O 1152 AS 2D IDL TA 336 AUTO A 1152 AS 2D IDL 336 AUTO D 1152 5 2 IDL E E REDIAL 336 AUTO R 1152 AS2D IDL 336 AUTO H 1152 AS2D IDL m LOCAL REMOTE lt MAIN gt STATUS MENU lt MAIN gt PROTOCOL MENU lt MAIN gt DIAGNOSTIC MENU lt MAIN gt PROFILE MENU lt MAIN gt MODEM MENU lt MAIN gt AUXILIARY MENU lt MAIN gt TERMINAL MENU lt MAIN gt LINE SETUP MENU ATSr n lt MAIN gt REGISTER MENU lt MAIN gt SECURITY MENU 8 lt AUXILIARY gt SPEAKER CONTROL ATL lt AUXILIARY gt SPEAKER VOLUME lt AUXILIARY gt LONG SPACE DISC lt AUXILIARY gt RESULT CODE TYPE lt AUXILIARY gt SEL COMMAND ECHO lt AUXILIARY gt PROGRESS MESSAGE gt gt gt gt gt TX lt AUXILIARY gt EXT RESULT CODE lt AUXILIARY gt SEL BELL ITU T lt AUXILIARY gt TRELLIS CODE lt AUXILIARY gt KBINT OPTION SPEAKER OFF SPEAKER ON UNTIL GBT CARRIER ALWAYS ON SPEAKER OFF WHILE DIALING LOW VOLUME MEDIUM V
36. LD3 N FIBLDI N va FIBLD4 2 N 7 E V32B 144 A AUTO M 576 AS 2L IDL FIELDS FIELD9 FIELD6 FIELD7 Figure 2 3 V 32bis Main Screen 2 2 Field 1 The Carrier Field This field shows the DCE carrier protocol The contents of this field are Display V21 V22 23 V22B V32 V32B V34 B103 B212 Description ITU T V 21 300bps ITU T V 22 1200bps ITU T V 23 1200 75bps ITU T V 22bis 2400bps ITU T V 32 9600bps ITU T V 32bis 14400bps ITU T V 34 33600bps BELL 103 300bps BELL 212A 1200bps V 32bis modem does not support the ITU T V 34 Recommendation Field 2 The DCE Speed Field This field shows the transmit speed of the telephone line The content of this field are Display 5 6 12 1275 7512 24 48 72 96 120 144 168 192 216 240 Description DCE Speed 300bps DCE Speed 600bps DCE Speed 1200bps or 1200 75bps DCE Speed 1200 75bps DCE Speed 75 1200bps DCE Speed 2400bps DCE Speed 4800bps DCE Speed 7200bps DCE Speed 9600bps DCE Speed 12000bps DCE Speed 14400bps DCE Speed 16800bps DCE Speed 19200bps DCE Speed 21600bps DCE Speed 24000bps 2 3 288 DCE Speed 28800bps 312 DCE Speed 31200 5 336 DCE Speed 33600bps 1275 and 7512 are 1200 75bps and 75 1200bps for ITU T V 23 only The maximum DCE Speed can only be up to 14400bps for V 32bis modem Field 3 The O A Field This field shows the originate or answer mode of the modem The
37. MNP10 OPTION gt 1200BPS 1152 AS 2 IDL AUXILIARY MENU INACTIVE TIMER NEGOTIATION RATE 4800BPS HIGHEST V 42 MNP10 MAIN lt PROTOCOL gt lt MNP10 OPTIONS DISABLE MNP10 EXETEND SERVICE TERMINAL MENU BREAK CONTROL EXTEND SERVICE ENABLE MNPIO EXETEND SERVICE ENABLE DETECTION ONLY AT amp K DTE DCE AT Q V 22bis 22 lt MAIN gt lt PROTOCOL gt MNPIO OPTION gt DISABLE MNP10 FALLBACK LINE SETUP MENU FLOW CONTROL FALL BACK ENABLE MNP10 FALLBACK gt H 9 gt T G MODEM lt PROTOCOL gt MODEM FLOW n lt MNP10 OPTIONS MNP10 INIT TX LEVEL 10dbm INT TX LEVEL MNP10 INIT TX LEVEL 11dbm lt MAIN gt REGISTER MENU gt T A MNP lt PROTOCOL gt MNP BLOC SIZE lt MAIN gt MNP10 INIT TX LEVEL 3idbm SECURITY MENU lt PROTOCOL gt lt MNPI10 OPTION gt DISABLE COMPROMISE EQUALIZER SEND BREAK TX EQUALIZER ENABLE COMPROMISE EQUALIZER A 5 5 2 2 lt MAIN gt STATUS MENU V34 336 O AUTO LOCAL M 1152 AS 2D IDL lt MAIN gt PROTOCOL MENU 336 O AUTO 1152 AS 2D IDL REMOTE ATA V34 336 O AUTO A 1152 AS 2D IDL lt MAIN gt DIAGNOSTIC MENU AT amp Fn BIOS lt PROFILE gt LOAD DEFAULT DIAL V34 336 O AUTO D 152 AS 2 IDL lt MAIN gt PROFILE MENU i 2 336 AUTO lt MAIN gt 1152 AS 2D IDL MODEM MENU HANG UP V34 336 O AUTO 1152 AS 2D IDL lt MAIN gt AUXILIARY MENU ATZn
38. NE SETUP MENU RESTORE TIMER nnn MINUTES n gt 9 5000 001 5012 050 S001 000 S018 000 5002 043 5020 000 5005 015 5024 000 5004 010 5025 005 5005 008 5026 001 lt SECURITY gt 5006 002 5029 040 5007 045 5050 000 lt MAIN gt REGISTER MENU BACKUP TIMER WAIT TIME 060 SECOMDS lt LINE SETUP gt WAIT TIME 000 SECOMD WAIT TIME nnn SECOMD 5008 002 S032 017 5009 006 5055 019 lt SECURITY gt CALLBACK SECURITY ON 5010 014 5058 005 CALLBACK MENU OFF 01 095 S086 000 lt MAIN gt SECURITY MENU lt SECURITY gt CONN SECURITY ON CONNECTION MENU OFF For 336LCD 288LCD 288RM Note 5 vids lt MAIN gt lt MODEM gt SELECT CARRIER P BELL 103 MODEM MENU SEL MS OPTION ROTOCOL BELL 212A V FC v 21 v 22 V 22B v 23 V 32B SELECT MULTI MODE pud 300 BPS SELECT MIN SPEED 33600BPS 300 BPS SELECT MAX SPEED 600BPS 33600BPS 501100120301
39. NVRAM lt PROFILE gt LOAD PROFILE lt MAIN gt TERMINAL MENU AT amp W NVRAM lt PROFILE gt SAVE PROFILE lt MAIN gt LINE SETUP MENU ATSr n AT amp Zn lt PROFILE gt lt MAIN gt REGISTER MENU EDIT TEL NUMBER lt MAIN gt SECURITY MENU AT amp Y NVRAM lt PROFILE gt POWER ON PROFILE A 6 0 V34 33600 2D 115200 AUTO ASYN 1 V32 9600 2D 9600 DIRCT ASYN 2 V32 9600 2D 9600 DIRCT SYNC 3 V34 19200 2L 19200 AUTO ASYN 4 V34 19200 4L 19200 DIRT SYNC 5 V32B 14400 2L 14400 AUTO ASYN 6 V32B 14400 4L 14400 DIRT SYNC 7 V32 9600 2L 9600 DIRT ASYN 8 V32 9600 4L 9600 DIRT SYNC 9 V22B 2400 2L 2400 DIRT ASYN 0 V34 33600 2D 115200 8N1 ASYN 1 V32 33600 2D 115200 8N1 ASYN 2 V32 9600 2D 9600 8N1 SYNC 3 V34 19200 2L 19200 8N1 ASYN PROFILE 0 PROFILE 1 PROFILE 2 PROFILE 3 00 T13458 01 02 PROFILE 0 PROFILE 1 PROFILE 2 PROFILE 3 gt d lt gt LAL AT amp T6 lt TEST gt RDL AT amp T3 lt TEST gt LDL AT amp T4 5 lt TEST gt ACCEPT RDL 518 lt gt TEST TIMER POWER ON lt TEST gt SELF TEST SELECT PATTERN lt TEST gt TEST PATTERN STOP TEST lt TEST gt END TEST 5 2 336 O AUTO LOCAL lt MAIN gt M 1152 AS 2D IDL STATUS MENU FOR 14400bps MODEM ONLY 557 336 O AUTO lt MAIN gt lt MODEM gt 1152 AS 2D IDL PROTOCOL MENU SEL DCE SPEED Please refer to page 3360
40. OLUME HIGH VOLUME DISABLE LONG SPACE DISCONNBCT ENABLE LONG SPACE DISCONNBCT SHORT FORM LONG FORM DISABLE CMD ECHO ENABLE CMD ECHO CONNCT REPORTS DCE EC DTE SPD DCE EC DTE SPD IGNORE BUSY DIALTONE NO SPEED IGNORE BUSY DIALTONE IGNORE BUSY IGNORE DIALTONE ENTIRE MESAGE BELL ITU T ENSABLE TRELLIS CODE DISABLE TRELLIS CODE ENABLE KBINT DISABLE KBINT MAIN MENU 336 AUTO M 1152 AS 2D IDL 336 AUTO O 1152 AS 2D IDL ATA 556 O AUTO A 1152 AS 2D IDL DIAL 336 AUTO D 1152 AS 2D IDL 556 O AUTO R 1152 AS 2D IDL HANG UP 336 O AUTO H 1152 AS 2D IDL REMOTE lt MAIN gt STATUS MENU ATS23 DTE lt TERMINAL gt SEL DTE SPEED lt MAIN gt PROTOCOL MENU AT amp Q lt MAIN gt lt TERMINAL gt DIAGNOSTIC MENU SEL ASYN SYN AT amp D DTR lt MAIN gt lt TERMINAL gt PROFILE MENU DTR OPTION MODEM AT amp S DSR lt MAIN gt lt TERMINAL gt MODEM MENU DSR OPTION AT amp C DCD lt MAIN gt lt TERMINAL gt AUXILIARY MENU DCD OPTION AT R RTS lt TERMINAL gt RTS OPTION lt MAIN gt TERMINAL MENU AT amp R CTS lt TERMINAL gt CTS OPTION lt MAIN gt LINE SETUP MENU gt 9 n lt MAIN gt REGISTER MENU lt TERMINAL gt CHAR LENGTH lt MAIN gt SECURITY MENU lt TERMINAL gt AT V25 BIS lt TERMINAL gt FRAME TYPE lt TERMINAL gt ASI Overpeed 300 5 600BPS
41. Restore Factory Setting The factory default setting is stored on the EPROM whatever the modem sets you can always return to default setting by this command PROFILE 0 1 2 5 4 5 6 7 8 9 SPEED V 34 33 6k V 32 9 6k V 32 9 6k V 34 19 2k V 34 19 2k V 32b 14 4k V 32b 14 4k V 32 9 6k V 32 9 6k V 22b 2 4k PROTOCOL DIRECT DIRECT AUTO DIRECT AUTO DIRECT DIRECT DIRECT DIRECT IDTE SPEED 115200 9600 9600 19200 19200 14400 14400 9600 9600 2400 DATA FORMAT ASYNC ASYNC SYNC ASYNC SYNC ASYNC SYNC ASYNC SYNC ASYNC LINE TYPE 2D 2D 2D 21 4L 21 4L 2L 4L 2L ORG FLOW CTRL RTS CTS RTS CTS CTS RTS DTR OPTION 602 602 600 spo spo COMMAND V 25BIS DUMB DUMB DUMB DUMB DUMB DUMB DUMB AT amp Gn Select Guard Tone AT amp GO Disables guard tone Default AT amp G2 Selects 1800 Hz guard tone amp Serial Port Flow Control AT amp KO Disables local flow control AT amp K1 Enables unidirectional RTS CTS hardware flow control AT amp K2 Enables unidirectional XoN Xorr software flow control AT amp K3 Enables bi directional RTS CTS hardware flow control Default AT amp K4 Enables bi directional Xon Xorr software flow control AT amp K5 Enables transparent software flow control AT amp K6 Enables both RTS CTS and flow control Default for fax mode AT amp K7 Enables bi directi
42. Set Multi or Fix Mode Handshake 4 7 ATOn Return to On Line 4 8 ATP Set Pulse Dial 4 8 ATOn Result Code 4 8 ATSr n Change the Content of S Register 4 8 ATT Set Tone Dial 4 9 ATVn Result Code Type nerenin d itr dieti a 4 9 ATWn Negotiation Progress Message Command 4 11 ATXn Extended Result 5 4 11 ATYn Long Space 4 11 ATZn m H 4 12 AT amp Cn Serial Port DCD 4 12 AT amp Dn Serial Port DTR Control eene 4 12 AT amp Fn Restore Factory 5 4 15 AT amp Gn Select Guard Tone erre reete teinte to inene 4 13 AT amp Kn Serial Port Flow 4 13 AT amp Ln Telephone Line Type Select Command 4 14 AT amp Mn Asynchronous Synchronous Mode Selection 4 14 AT amp Pn Select Pulse Dial Make Break Ratio 4 14 AT amp On Select Communication 4 15 AT amp Rn Serial Port RTS Option Command
43. The modem optionally provide Voice and AutoSync functions there are sections and commands that describe the Voice or AutoSync functions If you do NOT purchase these functions please skip these sections brand names are registered trademarks of their respective owners 1 INTRODUCTION Overview The V 34 modem is a high speed Hayes Compatible DATA FAX VOICE modem which can be used with various types of computers and terminals The VOICE function is designed to be optional It meets to the BELL 103 212A standards and ITU T V 21 V 22 23 V 22bis V 32 V 32bis V FC 34 V 25bis V 24 V 25 V 28 V 54 V 8 V 15 V 42 and V 42bis recommendations and also equips with the Microcom Networking Protocol MNP Class 2 to 5 and 10 services The modem optionally supports the Hayes AutoSync to provide synchronous communication capabilities from an asynchronous terminal or computer It can be instructed via the Hayes AT command set to automatically dial or answer calls and to perform MNP Class 4 5 services or ITU T V 42 V 42bis recommendations It can also be instructed via ITU T V 25bis command to perform auto dial or auto answer functions The effective throughput of full duplex asynchronous communication can be up to 115200bps and also the modem can support the ITU T V 8 multi mode handshake recommendation It supports two wire full duplex dial up line and two wire full duplex leased line four wire full duplex leas
44. a second the data connection will be synchronous AT amp MS Selects synchronous data mode This mode allows DTR to act as Voice Data switch The call is terminated while DTR is inactive When DTR becomes actives the handshake proceeds in originate or answer mode according to the front panel LCD s setting The modem disables the MNP and V 42bis functions automatically when you select synchronous mode 4 14 AT amp Pn Select Pulse Dial Make Break Ratio This command determines the Make Break ratio used during pulse dialing It has no effect in tone dialing AT amp PO Selects 3990 6190 Make Break ratio at 10 pulses per second Default amp Selects 3390 6790 Make Break ratio at 10 pulses second AT amp P2 Selects 3990 6190 Make Break ratio at 20 pulses per second AT amp P3 Selects 3390 6790 Make Break ratio at 20 pulses per second AT amp On Select Communication Mode This command selects synchronous or asynchronous error control or normal mode operation AT amp QO Communicates in asynchronous mode 01 Communicates in synchronous mode 1 to Sync AT amp Q2 Communicates in synchronous mode 2 stored number dial AT amp OS Communicates in synchronous mode 3 voice data switch AT amp O5 Communicates in error correction mode Default AT amp Q6 Communicates in asynchronous mode with automatic speed buffering for interfaces requiring constant speed between the DTE a
45. answer etc The command can be entered in either upper or lower cases Detail descriptions about the command set are listed below Dialing Command This command dials a telephone number specified by the parameter n The n in this command is a dial string which includes telephone number 0 to 9 and for tone dialing only dial modifiers please refer to Chapter 4 ATD command Any dial modifier specified in ATD command is valid here in ITU T V 25bis command mode There are four extra dial modifiers that V 25bis defined listed below Same definition as W modifier in the ATD command 6 1 lt Same definition as gt modifier in command amp Same definition as modifier in the ATD command Same definition modifier in the command CRS m Dialing Stored Number Command Dials the telephone number that previously stored in memory location m The range of m is between O to 9 You can store these telephone numbers using AT amp Z command please refer to Chapter 4 in AT command mode or using PRN command below PRN m n Stored Telephone Number in Location m This command stores telephone number in memory location m for later dialing It is identical with the AT amp Z command in AT command mode The range of m is between O to 9 The n is a dial string of up to 23 characters Valid dial string characters are O to 9 dial modifiers and for tone dialing RLN Display
46. by AT ATtention code except A and 4 escape commands AT be entered as upper or lower case characters and can NOT be deleted by backspace or delete keys The attention code is used by the modem to determine the speed and data format of the incoming data from DTE More than one command can be entered in one command line and may be separated by space for readability The command line can NOT exceed 40 characters excluding the attention code and must be ended by the ASCII character specified by S register 5 The default of the S register 5 is the decimal 15 Carriage Return A line without carriage return will be ignored Commands following the AT are processed after receiving the Carriage Return character and the space added for readability will be ignored Any parameters following the AT command that were ignored will be treated as equal to O AT Command Summary ATA Manual 4 4 Repeat Last 4 4 ATBn Select ITU T BELL 4 4 n I ATEn Echo Command oie 4 6 ATHn Hang Up the Telephone 4 6 ATIn Identification 4 6 ATLn Speaker Volume 4 7 ATMn Speaker Control ne trente btts 4 7 ATNn
47. cape character The default value corresponds to an ASCII A value over 127 disables the escape process i e no escape character will be recognized Range 0 255 ASCII decimal Default 43 5 3 55 Carriage Return Character Sets the command line and result code terminator character Pertains to asynchronous operation only Range 0 127 ASCII decimal Default 15 Carriage Return S4 Line Feed Character Sets the character recognized as a line feed Pertains to asynchronous operation only The Line Feed control character is output after the Carriage Return control character if verbose result codes are used Range 0 127 ASCII decimal Default 10 Line Feed S5 Backspace Character Sets the character recognized as a backspace Pertains to asynchronous operation only The modem will not recognize the Backspace character if it is set to a value that is greater than 32 This character can be used to edit a command line When the echo command is enabled the modem echoes back to the local DTE the Backspace character an ASCII space character and a second Backspace character this means a total of three characters are transmitted each time the modem processes the Backspace character Range 0 32 ASCII decimal Default 8 Backspace 56 Wait Time for Dial Tone before Blind Dialing or after Wi Dial Modifier Sets the length of time in seconds that the modem will wait before starting to dial after going off hook when b
48. dem and hang up Default Causes modem to go off hook ATIn Identification Command ATIO Reports product code 33600 Reports a pre computed checksum in format of CheckSum ATI2 Performs the calculation of ROM checksum and check with the pre computed checksum If correct reports OK if not reports ERROR ATIS Reports firmware revision in the format of 33600 Version SA X X Returns the identification code and checksum result of the modem REMARK V 32bis Modem Function For the V 32bis modem it reports 14400 when ATIO command is received It reports 14400 Version SB X X when ATIS command is received ATLn Speaker Volume Control 4 6 The modem uses software volume control to avoid poor contact of the volume VR The volume is divided into 5 steps described below ATLO L1 Low speaker volume Default ATL2 Medium speaker volume ATL3 High speaker volume ATMn Speaker Control ATMO Speaker always off Speaker on until the modem receives a carrier Default ATM2 Speaker always on Speaker off while dialing then on until the modem receives a carrier Controls the speaker Immediately takes effect upon execution ATNn Set Multi or Fix Mode Handshake ATNO Fix mode handshake The connection speed depends on the DTE speed or S register 57 speed It can NOT connect with higher speed modem The remote modem must have the ability to fall back if usi
49. dem will begin to transmit data If the time interval of the register S211 is achieved Default 60 minutes the modem will automatically stop transmitting and change the dial up line to leased line and try to connect The dial up line will be hold If the leased line connect successfully the dial back up sequence will be ended and the dial up line will be hanged up If the connection is failed after the time interval that specified by the register S212 the modem will go back to dial up line and await the next time interval that specified by the register S211 to achieve If you want the modem to manually restore to the leased line please use the front panel LCD controller to hang up the dial up line during dial back up mode and entering restore sequence 7 2 8 SPECIAL FUNCTIONS The modem includes four special functions that offer more applications and secure protections for users These functions are only on the modem equip with EPROM version upper than 2 0 The details of four special functions are listed below Connection Security Callback Security Keylock Security Remote Configuration Connection Security This function is designed specially for people who need security connection The connection modems have to be 33600bps modem or 14400bps modem and the same password when this function activated please refer to AT PC for password setting When the modems connect it will confirm password each other If
50. e command mode Any characters that coming from the DTE will be treated as command rather than data and will be executed after ENTER character has been received But some of the AT commands can not be executed during the escape mode such as ATDn ATA AT amp Wn etc The Modem Port and Serial Port Modem port means data link between two modems serial port means data link between computer or terminal DTE and modem DCE The modem port and serial port of the modem are independent There are buffers between modem and serial ports so different speeds are possible The following sections discuss these related concepts Automatic Speed Matching Automatic speed matching matches the speed of the modem port to the speed of the remote modem A connection can be established between two modems even if the two modems are not initially set to the same speed If the remote modem is not capable of automatic speed matching a connection may or may not be established depending on the speed to which both modems are set The connection speed may be determined by the originating or the answering speed The resulting connection speed will be shown on the terminal like below CARRIER 33600 PROTOCOL LAP M COMPRESSION V 42BIS CONNECT 115200 The CARRIER 33600 means the modem is connecting to a remote modem in ITU T V 34 which allows user to transmit or receive date at 33600bps The PROTOCOL LAP M means the modem has negotiated with the remote modem a
51. eck all the steps detailed in section Installing Your Modem When you are certain that the modem is correctly installed repeat the procedure listed above If the modem still do NOT response please contact your dealer 2 12 3 MORE ABOUT THE MODEM This chapter describes a few concept about the modem the user should read this chapter carefully to avoid miss understanding or confusing about the modem s function The Modem Mode The modem has three basic modes the command mode data mode and escape mode In the command mode you can enter command to the modem to set registers parameters and carry out a variety of dialing and control functions Details about commands are given in Chapter 4 In the data mode you can transmit and receive data over the telephone line to another remote modem The data mode can be further subdivided into three modes The first is the originate mode under which the modem originates a call the second is the answer mode under which the modem answers the incoming call The third is the self diagnostic mode under which the transmitted data is looped back through the modem allowing evaluation of the modem s performance and line condition When the modem is in data mode if you issue the escape character defined in S register 2 three times with the guard time defined in S register 12 the modem will enter escape mode In the escape mode the modem will not drop the line but entering th
52. ed line with dial back up operation These line types can be activated via AT command or front panel LCD controller to perform auto manual and power on connect functions It can meet most application requirements The V 34 modem can operate in both the asynchronous and synchronous modes and provide 100 error free data transmission and data compression with auto dial redial auto answer and full call progress monitoring functions Moreover it supports dynamic packet size adjustment to ensure optimum data throughput and 1 to ensure the best performance while 1 1 using cellular phone system Modem Features Compatible with BELL 103 212A standards and ITU T V 21 V 22 V 22bis V 23 V 32 V 32bis V 34 V FC V 42 V 42bis V 24 V 25 V 25bis V 28 V 54 V 8 V 15 recommendations Provides Hayes AT command set with programmable S registers Provides ITU T V 25bis auto answer auto dial recommendation User friendly 16 2 characters LCD controller for full functions control and real time status display Supports ITU T V 42 V 42bis error correction and data compression recommendations Supports Microcom Networking Protocol MNP Class 4 5 data compression protocol Provides ITU T V 8 and Multi mode handshake according to ITU T recommendation Utilizes full duplex asynchronous transmission with a maximum effective throughput of 115200bps Provides 10096 error free data transmission Support
53. efault 0 519 Bit Mapped Options Defines the options for AutoSync operation see amp O4 command S register 19 must be set to the desired value before 604 is issued Bit O Reserved Bit 1 BSC HDLC format selection 0 BSC selected Default 1 HDLC selected Bit 2 Address detection enable disable 0 Disabled Default 1 Enabled Bit 3 NRZI NZI coding selection 0 NRZI selected Default 1 NZI selected Bit 4 Idle indicator select 0 Mark idle Default 1 Flag or Sync idle Bits 5 7 Reserved S20 AutoSync HDLC Address or BSC Sync Character Defines the HDLC address S register 19 bit 1 1 or BSC Sync Character 5 register 19 bit 1 0 for AutoSync operation see amp 04 command S register 20 must be set to the desired value before amp 04 is issued Range 0 255 Default 0 5 8 S21 Bit Mapped Options Status Indicates the status of command options Bit O Bit 1 Bit 2 Bits 3 4 Bits 5 6 Bit 7 Reserved Ring indicator control Rn 0 Ring indicator ON 1 Ring indicator OFF after answer R1 Default CTS behavior amp Rn 0 CTS tracks RTS amp RO CTS always on amp R1 Default DTR behavior amp Dn 00 selected 1 selected 2 amp D2 selected Default 5 amp 05 selected RLSD DCD behavior amp Cn 0 selected 1 selected Default 2 amp C2 selected Long space disconnect Yn 0 YO s
54. elected Default 1 selected S22 Bit Mapped Options Status Indicates the status of command options Bits 0 1 Bits 2 3 Bits 4 6 Bit 7 Speaker volume Ln Low LO same as 1 Low L1 Default 2 Medium L2 3 High L3 Speaker control Mn 0 Speaker OFF MO 1 Speaker ON until connect M1 Default 2 Always ON M2 5 ON during handshake M3 Limit result codes Xn 0 XO selected 4 selected 5 X2 selected 6 X5 selected 7 X4 selected Default Ring back message command Rn 0 Disables ring back message RO Default 1 Enables ring back message 1 5 9 525 Bit Mapped Options Status Indicates the status of command options Bit O Grant RDL 0 RDL not allowed amp T5 1 RDL allowed amp T4 Default Bits 1 3 DTE Rate 0 0 to 300 bps 1 600 bps 2 1200 bps 2400 bps 4 4800 bps 5 9600 bps 6 19200 bps 7 38400 bps or higher Bits 4 5 Assumed DTE parity O Even 1 Not used 2 Odd 3 None Default Bits 6 7 Guard Tone amp Gn 0 None amp GO Default 1 None 661 1800 Hz amp G2 525 Delay to DTR This register has two functions describes below Normally this S register 25 defines the length of time the modem recognizes a DTR changed The unit of S register 25 is hundredth of a second When sets AT amp OI it controls the length of time the modem waits
55. em buffer before disconnecting If time expires before all data is sent the NO CARRIER result code is issued to indicate that the data has been lost If all data is transmitted prior to time out the response to the ATHO command will be OK 2 If S register 38 is set to 255 the modem does not time out and continues to attempt to deliver data in the buffer until the connection is lost or the data is delivered Range 0 255 seconds Default 5 seconds S39 Bit Mapped Options Status Bits 0 5 Flow control option amp Kn 0 No flow control amp KO 1 Unidirectional RTS CTS amp K1 Unidirectional XON XOFF amp K2 RTS CTS amp K3 Default 4 XON XOFF amp K4 5 Transparent XON XOFF amp K5 6 Both methods amp K6 7 DTR DSR amp K7 8 Unidirectional DTR DSR amp KS8 Bits 4 5 DSR option amp Sn 0 450 selected Default 1 51 selected 2 amp S2 selected 540 Bit Mapped Options Status Indicates the status of command options Bits 0 1 MNP Extended Services Kn 0 Disable extended services KO Default 1 Enables extended services K1 2 Enables extended services K2 5 15 Bit 2 Bits 3 5 Bits 6 7 Power Level Adjustment for cellular use Mn 0 Auto adjustment MO Default 1 Force adjustment M1 Break handling Kn 0 KO selected 1 1 selected 2 2 selected 3 K3 selected 4 K4 selected 5 5 selected Default
56. em from sending result codes to the local system Some of the central site computers do not recognize the result code of the modem please use the ATO1 command to disable the result code of the modem ATSr n Change The Content of S Register ATSr n indicates the number of S register n indicates the content of S register ATSr Select S register AT Read pre selected S register AT n Change the content of pre selected S register to n This command can change the content of S register The content n Should be in decimal form ATSr Read the content of S register r 4 8 This command causes modem to return 3 digits decimal number indicates the content of the specified S register The rindicates the number of the S register ATT Set Tone Dial Directs the modem to use tone dialing This command can be used as AT command or dial modifier of the ATD command ATVn Result Code Type ATVO Selects short digit form result codes Selects long verbose form result codes Default The command result code is reported in two ways The first is the long form is reported in verbose type result code This is easy to read for user The second is the short form is reported in numeric digit form This is usefull for the software programmer to identify result codes during program application The result code is also devided into standard and extended result codes The standard result code is reported while
57. ent AT MO Disables power level adjustment during MNP 10 link negotiation The AT MO command will allow the transmitter adjustment if cellular operation is requested by the remote modem Default Enables power level adjustment during MNP 10 link negotiation NOTE AT MI should not be used with AT H2 AT Hn Link Negotiation Speed This command controls the connection speed for link negotiations before upshift occurs between two MNP 10 modems AT HO Link negotiation occurs at the highest supported speed Default Link negotiation occurs at 1200bps used primarily for establishing cellular connections AT H2 Link negotiation occurs at 4800bps used primarily to negotiate an MNP 10 connection on less than average quality telephone lines AT Kn MNP Extended Services Enables or disables conversion of a V 42 LAP M connection to an MNP 10 connection AT KO Disables V 42 LAP M to MNP 10 conversion Default Enables 42 LAP M to MNP 10 conversion AT K2 Enables V 42 LAP M to MNP 10 conversion inhibits MNP Extended Services initiation during V 42 LAP M answer modem detection phase AT On Enable Fallback to V 22bis V 22 Enables or disables fallback from MNP 10 to V 22bis V 22 4 30 00 Disables fallback to 2400 bps V 22bis and 1200 bps V 22 Fallback is enabled only to 4800 bps 01 Enables fallback to 2400 bps V 22bis and 1200 bps V 22 Default When the modem is con
58. entered S48 0 Disables negotiation bypass the detection and negotiation phases and proceed with LAP M S48 7 Enables negotiation Default S48 128 Disables negotiation bypass the detection and negotiation phases and proceed at once with the fallback action specified in S register 36 This content can be used to force MNP S82 Break Handling Options S register 82 is for compatibility purpose only changing this register will not have any affect S86 Call Failure Reason Code When the modem reports a NO CARRIER result code a value is written to this S register to help determine the reason for the failed connection S register 86 records the first event that contributes to a NO CARRIER message The cause codes are S86 0 Normal disconnect no error occurs S86 4 Loss of carrier S86 5 V 42 negotiation failed to detect an error correction modem at the other end S86 9 modems could not find a common protocol S86 12 Normal disconnect initiated by the remote modem S86 13 Remote modem does not respond after 10 5 17 re transmissions of same message S86 14 Protocol violation 591 PSTN Transmit Attenuation Level Sets the transmit attenuation level from to 15 dB for the PSTN mode resulting in a transmit level from 0 to 15 dBm Range O to 15 dB Corresponding to O to 15 dBm transmit level Default 10 10 dBm transmit level 592 Fax Transmit Attenuation Level Sets the transmit at
59. er defines the restore timer when dial back up enabled That means when leased line s carrier is lost and the dial up line is connected successfully this timer starts to count and when the time is up the modem will hold the dial up line and switch to leased line try to connect to remote modem Range 1 255 Minutes Default 60 minutes S212 Dial Back up Timer This register defines the time interval that when the modem try to change line type When dial back up starts leased line is lost and try dial up line or restore starts dial up line is hold and try leased line the modem will try each line type for the time interval that define by this register Range 1 255 Seconds Default 60 seconds 5 19 6 ITU T V 25BIS OPERATION The modem supports ITU T V 25bis command You can use application programs that support V 25bis command to drive the modem Configuration of ITU T V 25bis To configure your modem to operate at ITU T V 25bis mode please use the front panel LCD controller to configure the modem into V 25bis mode Please refer to Appendix A for detail about the menu tree The modem is now ready to operate at ITU T V 25bis command mode The AT command is no longer valid all the actions that you want the modem to perform have to issue by V 25bis command ITU T V 25bis Command Set The V 25bis command set provides you to do dialing storage dialing storage of telephone number auto answer manual
60. he Modem Rear Panel section before for detail connection information Connect the modem to the computer Your modem provides a 25pin RS 232C serial port connector which 2 11 is used to connect modem to of serial ports on your computer or terminal Please make sure that the computer or terminal has been turned off before you connect the modem with it 5 Connect the modem to the power source Make sure the power switch of the modem is in iOFFi position and plug the power cable to the power socket of your modem Plug the other end of the power cable into the power source Installation Check Turn the power switch to ON position Check the modem s front panel to determine its current operating state The front panel LCD display will show power on self test screens If there is no problem with the installation the modem will automatically enter the main menu when you turn on the power with factory default Press the LEFT or RIGHT key you will find the field 5 changed from M to or Another way to check if your modem has been properly installed is to use a proper communication software in terminal emulation mode to input the following commands from your computer or terminal to the modem lt Enter gt ATZ lt Enter gt If your modem is functioning properly it will respond with the mess age OK However If this message fails to appear turn off your modem and computer or terminal and ch
61. ial interface AT amp Yn Power On Profile Selection Command This command selects the prestored profile O to 5 to recall when turn ON the power of the modem This command has NO effect when issuing the ATZ command the user should use the ATZO to ATZS to recall profile when software reset AT amp YO Recalls profile O when power on Default 4 17 AT amp Y1 Recalls profile 1 when power AT amp Y2 Recalls profile 2 when power on AT amp Y3 Recalls profile 3 when power AT amp Zn m Store Telephone Number AT amp Zn n indicates the telephone number locations is valid within O to 9 The m is a dial string of up to 23 characters Valid dial string characters are O to 9 dial modifiers and for tone dialing Modem will ignore invalid characters and truncate dial strings longer than 23 characters This command must be the last one on a command line AT Cn Data Compression Protocol Selection This command enables or disables data compression negotiation The modem can only perform data compression on an error correction link AT CO Disables data compression AT C1 Enables 5 error correction AT C2 Enables V 42bis data compression AT C3 Enables both MNP5 and V 42bis data compression Default AT En Retrain and Rate Negotiation Command AT EO Disables auto retrain feature AT E1 Enables auto retrain feature AT E2 Enables auto retrain and rate negotiation with fall back fo
62. ints to new register n number of register to point ATSn Displays the contents of the register selected with n n number of register to point The modem uses registers to store configuration status Some of the registers control only one function but some of them are called bit mapped registers which control several functions in single register Table 5 1 summarizes the functions of each register used by the modem 5 1 Register Function Description SO S1 52 55 54 55 56 57 58 59 510 51 512 514 516 518 519 520 521 522 525 525 526 527 528 529 550 551 S32 S33 S36 S37 S38 S39 S40 S41 S46 S48 S82 S86 591 Rings Auto Answer Ring Counter Escape Character Carriage Return Character Line Feed Character Backspace Character Wait Time for Dial Tone Wait Time for Carrier Pause Time for Dial Delay Carrier Detect Response Time Delay for Hanging Up after Carrier Loss DTMF Duration and Spacing Escape Code Guard Time Bit Mapped Register Bit Mapped Register Test Timer Bit Mapped Option AutoSync HDLC Address or BSC Sync Character Bit Mapped Register Bit Mapped Register Bit Mapped Register Delay to DTR RTS to CTS Delay Interval Bit Mapped Register Bit Mapped Register Flash Dial Modifier Timer Inactivity Timer Bit Mapped Options Status XoN Character Xorr Character Negotiation Fallback Desired Line Speed Delay before Forced Hang up Bit Mapped Options
63. ivated Preparation 1 Use the AT command AT amp Zn m frant panel LCD controller to store the remote telephone number into the NVRAM of the modem Upto ten telephone numbers can be stored 2 Connect the leased line to the RJ 45 connecter and the dial up line to the RJ 11 connecter please refer to Chapter 2 Modem Rear Panel for detail connect information 3 Change content of registers S211 5212 according to the system requirement Register S211 is the dial back up automatically restore timer the unit is minute and the default is 60 minutes register S212 is the dial back up timer the unit is second and the default is 60 seconds 4 Use the AT command or front panel LCD controller to activate flow control and set the modem to 4 Wire or 2 Wire leased line operation and select the Originate or Answer mode Use the front panel LCD Controller to activate the dial back up function 7 1 Back up Operation If the leased line quality is not good enough to maintain data transmitting the modem will retrain and if retrain fails the modem will lose carrier The originate modem will automatically dial the stored telephone number in NVRAM from O to 9 If the time interval that specified by register S212 cannot connect Default 60 seconds the modem will go back to leased line and try again to connect and so on until the modem connect successfully If the dial up line connect successfully the mo
64. led NO 1 Enabled 1 Default Bits 2 3 Controls error correction progress messages Wn 0 DTE speed only WO Default 1 Full reporting W1 2 speed only W2 Bits 4 OFF 1 ON Bits 5 7 Reserved For 14400bps model Bit O OFF 1 ON 5 1 0 NO 1 Multi mode 1 Default Bits 2 3 Controls error correction progress messages Wn 0 DTE speed only WO Default 1 Full reporting W1 2 DCE speed only W2 Bits 4 OFF 1 ON Bits 5 7 Reserved 532 Character Sets the value of the character for software flow control Range 0 255 ASCII decimal Default 17 CTL O 533 Character Sets the value of the Xorr character for software flow control Range 0 255 ASCII decimal Default 19 CTL S 556 LAP M Failure Control This value indicates what should happen upon a LAP M failure These fallback options are initiated immediately upon connection 5 13 if S48 128 If an invalid number is entered the number is accepted into the register but S36 will act as if the default value has been entered 556 0 Modem disconnects 556 1 Modem stays on line and a Direct mode connection is established S36 3 Modem stays on line and a Normal mode connection is established S36 4 MNP connection is attempted and if it fails the modem disconnects 556 5 MNP connection is atte
65. lind dialing The Wait for Dial Tone call progress feature W dial modifier in 5 4 the dial string will override the value in S register 6 The modem always pauses for a minimum of 2 seconds even if the value of S register 6 is less than 2 seconds Range 2 255 seconds Default 2 seconds S7 Wait Time for Carrier after Dial for Silence or for Dial Tone after iWi Dial Modifier 1 Sets the length of time in seconds that the modem will wait for carrier before hanging up The timer is started when the modem finishes dialing originate or 2 seconds after going off hook answer In originate mode the timer is reset and restart upon detection of answer tone 2 Sets the length of time in seconds that modem will wait for silence when encountering the dial modifier before continuing with the next dial string parameter Range 1 255 seconds Default 45 seconds S8 Pause Time for Dial Delay Sets the time in seconds that the modem must pause when the dial modifier is encountered in the dial string Range 0 255 seconds Default 2 seconds 59 Carrier Detect Response Time Sets the time in tenths of a second that the carrier must be present before the modem considers it valid and turns on CD signal As this time is increased there is less chance to detect a false carrier due to noise from the telephone line Range 0 255 tenths of a second Default 6 0 6 second 5 5 510 Delay for Hang after
66. mote modem the modem will abort the ITU T V 8 handshake and using other method to connect 3 Fix mode Handshake If you want to connect to the remote modem with a particular speed then the fix mode handshake ATNO is useful for you Using the fix mode handshake will cause the modem to use the DTE speed to make connection The connection speed will not 3 3 exceed DTE speed it can only perform auto fallback from V 34 33600bps to 34 2400bps or V 32bis 14400bps to V 32 4800bps or V 22bis 2400bps to V 22 1200bps Another way to determine the connection speed is the S register 37 Setting the S register 37 to a none zero value will cause the modem to connect to particular speed regardless of the DTE speed and will also perform the same auto fallback as describes above Flow Control Flow control is the ability to turn on and turn off the flow of information between transmitting devices Most computers and terminals support flow control However if the terminal device does not support flow control it flow control should be disabled on both the modem port and the terminal serial port You should also operate the terminal serial port at the same speed with the actual connection speed The modem can receive and transmit data over the serial port at a speed different from the modem port If the serial port operates at a speed greater than the modem port the buffer fills to capacity If the computer or terminal attached to the
67. mpted and if it fails Direct mode connection is established 536 6 Reserved S36 7 MNP connection is attempted and if it fails Normal mode connection is established Default S37 Desired Line Connection Speed Desired line connection speed If an invalid number is entered the number is accepted into the register but S register 57 will act as if the default value has been entered S37 0 Attempts auto mode connection Default S37 1 3 Attempts to connect at 300 bps S37 5 Attempts to connect at V 22 1200 bps S37 6 Attempts to connect at V 22 bis 2400 bps S37 7 Attempts to connect at V 23 1200 75 bps S37 8 Attempts to connect at V 32 bis V 32 4800 bps S37 9 Attempts to connect at V 32 bis V 32 9600 bps S37 10 Attempts to connect at V 32 bis 12000 bps S37 1 Attempts to connect at V 32 bis 14400 bps S37 12 Attempts to connect at V 32 bis 7200 bps S38 Delay before Forced Hang up This register specifies the delay between the modem s receipt of the ATHO command to disconnect or ON to OFF transition of DTR if the modem is programmed to follow the signal and the disconnect operation Applicable to error correction connection 5 14 only This register can be used to ensure that data in modem buffer is sent before the modem disconnects 1 If S register 38 is set to a value between O and 254 the modem will wait that number of seconds for the remote modem to acknowledge all data in the mod
68. n on the Secondary Channel to achieve the Connection security and the Remote configuration of the modem 9050 Disables Secondary Channel Default AT96S1 Enables Secondary Channel AT An Select Maximum MNP Block Size The modem will operate an MNP error correction link using a 4 19 maximum block size controlled by the parameter supplied AT AO The maximum MNP block size to be 64 characters 1 The maximum MNP block size be 128 characters 2 The maximum MNP block size to be 192 characters Default The maximum MNP block size to be 256 characters AT Bn Transmit Break to Remote In non error correction mode the modem will transmit a break signal to the remote modem with a length in multiples of 100 ms according to parameter n specified If a number in excess of 9 is entered 9 is used The command works in conjunction with the S register 82 In error correction mode the modem will signal a break through the active error correction protocol giving no indication of the length The modem will return a NO CARRIER result code if not connected Note When the modem receives a break from the remote modem break is passed to the DTE as follows In direct mode the break length is passed in normal mode and in error correction mode a 300 ms break is passed View Stored Telephone Number This command shows the content of the ten stored telephone numbers Modem P
69. nate the call attempt with a NO ANSWER message If busy detection is enabled the modem may terminate the call with the BUSY result code If answer tone arrives during execution of this parameter the modem handshakes Wait for AT amp T ibongi tone for credit card dialing before continuing with the dial string If bong is not detected within the time specified by S register 7 the modem will abort the rest of the sequence return on ho ok and generate an error message Dial pause The modem will pause for a time specified by S register 8 before dialing the digits following Return to command state Added to the end of a dial string this causes the modem to return to the command state after it processes the portion of the dial string preceding the This allows the user to issue additional AT commands may be placed in the original command line following the and or may be entered on subsequent command lines The modem will enter call progress only after an additional dial command is 4 5 issued without terminator Use ATHO to abort dial in progress and go back on hook Enable calling tone Applicable to current dial attempt only ATEn Echo Command The modem enables or disables the echo of characters to the DTE according to the parameter supplied ATEO Disables command echo Enables command echo Default ATHn Hang Up the Telephone Line ATHO Directs the modem to disconnect the remote mo
70. nd DCE AT amp Rn Serial Port RTS CTS Option Command AT amp RO CTS follows RTS at all time Default AT amp R1 Assumes CTS always on This command selects the CTS option of the serial port Some of 4 15 DTE need to set different options you can select AT amp RO or AT amp R1 according to the specification of DTE This command effects only in synchronous mode and asynchronous direct mode In V 25 bis operation the CTS acts according to V 25bis recommendation AT amp Sn Serial Port DSR Control Command AT amp SO DSR remains ON at all time Default AT amp S1 DSR follows the ITU T recommendation AT amp S2 DSR follows carrier AT amp Tn Loop Test Functions AT amp TO _ Ends loop test AT amp T1 Local analog loop back AT amp T3 Local digital loop back AT amp T4 Responds to remote digital loop back request Default amp 5 Ignores remote digital loop back request AT amp T6 Initiates ITU T remote digital loop back AT amp T7 Remote digital loop back with self test AT amp T8 Local analog loop back with self test AT amp Un Trellis Coding Modulation Selection Command This command selects whether to use trellis coding modulation or not Using trellis coding modulation will provide up to 4 dB of extra noise immunity improve data reliability in V 32 mode Both the local and remote modem should be set to enable to ensure trellis coding modulation takes place AT amp UO Enables trellis coding modulation Default
71. nd established an ITU T V 42 connection The COMPRESSION V 42BIS indicates that the two modems are using ITU T V 42bis to do data compression Finally the CONNECT 115200 shows that the modem is using 115200bps to communicate with the DTE These result codes may or may not be 3 2 shown on terminal screen depending on setting of modem The modem supports three methods of automatic speed matching 1 Multi mode Handshake The multi mode handshake ATN1 follows the ITU T multi mode handshake recommendation which can provide full range of speed to connect to the other modem That means whatever speed protocol the modem is set to the modem can connect to BELL 103 212A and ITU T V 21 V 22 V 23 V 22bis V 32 V 32bis V 34 without changing speed This feature is convenience for the user to connect to an unknown modem 2 ITU T V 8 Multi mode Handshake The modem supports ITU T V 8 multi mode handshake The V 8 will cause the answering modem to send ANSam signal and if the originate modem is capable of V 8 it response with CM After that both modems will begin a protocol handshake to determine modulation method error correction protocol and whether using celluar connection When all the condition is cleared both modem begin the preselected ITU T handshake This procedure makes the modems connect faster than the old ITU T multi mode handshake If the modem can not detect an ANSam or CM signal from the re
72. nected to V 34 the command cause the modem to fallback to V 34 2400 bps the AT O1 command cause the modem to fallback to V 22 1200 bps AT Mn Initial Cellular Power Level Setting Sets the initial transmit power level for upshift at connect until line conditions can be determined AT MO corresponds to 26dBm corresponds to 50dBm AT M2 through AT M10 correspond to 10dBm and 11 through AT M31 correspond to 11dBm to 314 respectively AT MO 26 dBm AT MI1 30 dBm AT M2 to AT M10 10 dBm AT Mi11 11 dBm AT MI18 18 dBm Default AT M31 31 dBm AT En Compromise Equalizer Enable Command Enables or disables the V 32 compromise equalizer This command can be used when the modem is attached to either a flat line or a cellular connection Disables the equalizer 1 Enables the equalizer Default 4 3 5 REGISTERS Introduction This chapter describes each register and explains how to change its value Some registers control a single function while others control several functions and are bit mapped Bit mapped registers are recommended for reading modem status only Commands to Change or Read Registers ATSn Changes the value of a register n number of register 7 new value of register in decimal Changes the value of the last referenced register 77 new value AT Displays the value of the last referenced register ATSn Po
73. ng higher speed than your modem Multi mode handshake Follows recommendation of ITU T multi mode handshake It can automatically change the connection speed to make most efficient connection Default ATN2 Reserved ATN3 Same as but without V 23 mode This command controls the handshake method of the modem When the modem is set to answer mode it usually sets to multi mode handshake ATNI to get the most effective connection If the remote modemis speed is known you can set the modem to fix mode handshake and adjust the DTE speed to meet the remote modem s speed to reduce the time needed for handshake ATOn Return to On Line Mode 4 7 This command determines how modem will enter the on line data mode If the modem is in the escape on line command mode whether enters the on line data mode with or without retrain If the modem is in the off line command mode not connected an ERROR message is reported ATOO Enters on line data mode without a retrain Generally if a connection exists this command connects the DTE back to the remote modem after an escape ATO1 Enters on line data mode with a retrain before returning to on line data mode ATP Set Pulse Dial Directs the modem to use pulse dialing This command can be used as AT command or dial modifier of the ATD command ATOn Result Code Command ATOO Sends result codes to the local system Default Prohibits the mod
74. ng the connect sequence will abort the connection attempt ATA Repeat Last Command There is no need to type lt Return gt after the has typed the modem executes the last executed command immediately ATBn Select ITU T BELL Mode When the modem is configured to line speed of 300 or 1200 bps 4 3 modem will select BELL or ITU T modulation according to parameter supplied Any other line speed will use an ITU T modulation recommendation ATBO Selects ITU T recommendation at 300 or 1200 bps during call establishment and a subsequent connection Default ATB1 Selects BELL standard at 300 or 1200 bps during call establishment and a subsequent connection ATDn Dial This command directs the modem to go off hook dial according to the string n entered and attempt to establish a connection in originate mode If no dial string is supplied the modem will go off hook and attempt the handshake in originate mode The modem will have up to the period of time specified by S register 7 to wait for carrier and complete the handshake If this time expires before the modem can complete the handshake the modem will go on hook with the NO CARRIER response This command will be aborted in progress upon receipt of any DTE character before completion of the handshake if the command is issued Dial Modifies The valid dial string parameters are described below Punctuation characters may be used for clarity wi
75. nnector pleased use the pin number 4 and 5 to connect the 2 wire leased line use the pin number 4 and 5 to connect the 4 wire transmit pair and pin number 3 and 6 to connect the 4 wire receive pair Line This RJ 11 jack allows user to connect the telephone line to the modem 2 10 This RJ 11 jack allows user to connect telephone set to modem Modem Installation Installing Your Modem l Look for a location for the modem A suitable location for the modem is one that is near the power outlet and close to the telephone line and your computer It should be placed on a sturdy level surface where there is enough space for unimpeded operation Check the modem s settings You must check the modem carefully to make sure that all the configurations are in default setting Please refer to the sections on this manual for details on the modem s settings Connect the modem to the telephone line The modem has two RJ 11 connectors marked LINE and PHONE The connector marked LINE is connected to the PSTN telephone line while the connector marked PHONE is connected to the telephone set To do this simply plug the telephone line from the wall outlet directly into the LINE connector on the modem and use another telephone cable to connect the telephone set and the PHONF connector If you are using the leased line please connect the leased line to the jack marked LEASED LINE Please refer to t
76. number and then activate call back security function at the answer modem 2 The user dial for connection the answer modem will ask to enter password The terminal of the originate modem shows ENTER PASSWORD After the originate user keyin the correct 8 2 password answer modem will hang up and call the corresponding telephone number The terminal of the answer modem shows CHECK OK and CALL BACK IN PROGRESS 3 If you enter wrong password The answer modem will ask password for two more times Each entry has a time limit of 20 seconds The modem will hang up automatically when the third wrong password has entered This function can be simplified for only password protection To acomplish this function enter the password follows the colon sign and then lt CR gt using AT S command After entering the password the answer modem will check for password only and will NOT hang up and call back anymore AT Commands for Call Back Security AT Set Call Back Security This command controls the ON OFF of call back security Only the answer modem is needed to activate the call back security EO E Call back security disabled default 1 Call back security enabled Remark Please enter at least one set of the password before activating the call back security function to ensure the modem answers correctly AT L Call Back Security Password List The modem will display all the passwords and telephone
77. numbers after reception of this command AT S Store the Call Back Password and Telephone Number 8 3 This command stores password and telephone number for call back security The length of the password is 10 digits and the telephone number is 20 digits The command format is listed below AT Sn lt password gt lt telephone number gt lt CR gt Where n 0 to 19 If only the password and the colon sign been input the modem will do the password check only KeyLock Security This function locks the front panel switches to prevent unauthorized person s misoperation This function must be activated or deactivate through front panel switches It can t be activated through AT command Password changing should use the AT Y command the length of the password is 5 digits and the default of the password is modem The front panel switches will be locked when this function been enabled Press any one switches will cause the modem to ask for password you must use the key to enter the correct password to proceed the rest operation After activating or deactivating the Keylock function you need to store the parameter to NVRAM using AT amp Wn to ensure the Keylock status after power OFF Changing the Password The default of the password is modem and the length of the password is fix to 5 digits To change the password please use the AT Y command This password will store to NVRAM automatically Enter l
78. ods of error correction LAP M and as a fallback Alternative Protocol MNP4 compatible The modem offers a negotiation technique for determining and establishing the best method of error correction between two modems This technique involves two phases the detection phase and the negotiation phase In the detection phase which occurs immediately after the establishment of the modem handshake the communicating modems exchange a sequence of detection 3 7 patterns to verify that both modems support error correction technique In the negotiation phase which follows the detection phase the communicating modem exchange configuration information to make a best connection When the modem originates a call it will send a detection pattern and wait for the answering modem to respond If the answering modem responds they will enter the negotiation phase if the answering modem does not respond the originating modem will send the alternative handshake pattern and try to make the alternative connection If the detection phase fails or negotiation does not achieve the desired connection type the modem can hang up fallback to alternative protocol MNP4 or fallback to a standard asynchronous mode Desired action to take is selected by S register 36 Since MNP does not support a detection phase the selection of MNP must be made as a force fallback of V 42 with S register 48 and 56 S48 The V 42 Negotiation Action Register The negotia
79. ommended but it is provided for compatibility with existing communication software S register 37 is not updated by the AT Ms command 2 Sub parameters can be not entered enter a comma only or lt ENTER gt to skip the last sub parameter but remain at their 4 25 current values Reporting Selected Options The modem can send a string of information to the DTE consisting of selected options using the following command AT MS The response is lt mod gt lt automode gt lt min_rate gt lt max_rate gt For example 1 1 300 28800 Reporting Supported Options The modem can send a string of information to the DTE consisting of supported options using the following command AT MS The response is list of supported lt mod gt values list of supported lt automode gt values list of supported lt min_rate gt values list of supported lt max_rate gt values For example 0 1 2 3 9 10 11 64 69 74 0 1 500 28800 300 28800 Sub Parameter Definitions 1 lt mod gt A decimal number which specifies the preferred modulation automode enabled or modulation automode disabled to use in originating or answering a connection The options are lt mod gt Modulation Possible Rates bps Notes 4 26 1 V 22 1200 2 V 22 bis 2400 or 1200 5 25 1200 9 V 32 9600 or 4800 10 V32 bis 14400 12000 9600 7200 or 4800 11 V 34 33600 31200 28800 26400 24000 21600 19200 16800 14400 12000 9600 720
80. onal DTR DSR hardware flow control 8 Enables unidirectional DTR DSR hardware flow control This command controls the type of flow control between the modem and the serial port of the computer or terminal When the modem connects to the remote modem using normal mode or error 4 13 correction mode data flow between modem and serial port should be controlled by flow control to avoid data loss If the modem connects to remote modem using direct mode this command will be ignored Please refer to Chapter 3 for detail of flow control AT amp Ln Telephone Line Type Select Command AT amp LO Disables leased line operation enables PSTN operation Default AT amp LI Enables 2 wire leased line operation disables PSTN operation AT amp L2 Enables 4 wire leased line operation disables PSTN operation AT amp Mn Asynchronous Synchronous Mode Selection This command determines the asynchronous or synchronous operating mode The modem treats the amp M command as subset of the amp O command AT amp MO Selects direct asynchronous operation Default AT amp MI Selects synchronous data mode with Async off line command mode AT amp M2 Selects synchronous data mode with Async off line command mode Same as except that amp 2 enables DTR dialing of stored telephone number at location 0 The modem will disconnect if DTR is OFF for more than the time period in S register 25 in units of hundredths of
81. or duration of telephone call Turns OFF the ring indicator after the telephone call is answered Default This command controls the RS 232C pin No 22 ITU T V 24 No 125 signal Calling Indicator You can set this pin to always ON or ON until answered during the telephone call 4 22 Modem Status Display This command displays the active command setting and lists the command The following is an example of the screen display when the AT S command is issued 5 Report 11 1 2400 33600 Protocol 11 V 34 Mode 1 Auto with V 8 Min Speed 2400 Max Speed 35600 DTE SPEED 115200 bps DATA BITS 8 PARITY NONE STOP BIT 1 DCE SPEED Idle LINK LAYER PROTOCOL Idle COMPRESSION Idle LAST DIAL NUMBER T 886 2 999 5155 CMD DESCRIPTION OPTION CMD DESCRIPTION OPTION B1 BELL OR Bell E1 COMMAND ECHO L1 SPK Low M1 SPK 000000 see Mode 1 Press ESC to stop or press ANY KEY to continue CMD DESCRIPTION OPTION CMD DESCRIPTION OPTION N1 MULTI MODE On T DIAL 00 QUIET MODE eese Off V1 VERBOSE WO REPORT OPTION DTE X4 RESULT CODE TYPE YO LONG SPACE DISC Off DCD OPTION amp D2 DTR eee Onhook amp GO GUARD TONE
82. ort Flow Control Disables modem port flow control Default Enables modem port flow control If enables the modem port flow control the modem will use the Xorr characters to do the flow control This command only valids when the modem is in normal mode has no effect during 4 20 error correction or direct mode connection AT Kn Break Control Controls the response of the modem to a break received from the DTE or the remote modem or the command according to parameter supplied The default of this command is 5 The response is different in three separate states describe below Break received from DTE while in connect state command mode no break sent to the remote modem command received from DTE while in on line command state Purge buffers immediately send break to remote modem Break received from remote modem while in connect state during non error Purge buffers immediately send break to DTE Clear data buffers and send break to remote modem Same as O remote modem in sequence with transmitted data Purge buffers immediately send break to remote modem Immediately send break to remote modem Immediately send break to remote modem Send break to remote modem with data Send break to remote modem with data Purge buffers immediately send Immediately send break to DTE Send break to DTE in sequence with data Send break
83. ple 5 9 0 2400 14400 selects V 32 9600 4800 bps To emulate issuance of the ATNOS37 x command sequence to select fixed mode operation specify the rate and min rate both to be the same requested speed and mod to be the modulation for that speed For example AT MS 11 0 16800 16800 selects V 34 16800 bps fixed mode no comparable S register 37 value 5 9 0 12000 12000 selects V 32bis 12000 bps fixed mode same as ATNOS37 10 For lt automode gt 1 automode enabled i e automatically select speed and modulation The modem connects at the highest possible rate in accordance with V 8 or multi mode if V 8 is not supported by the remote modem a If lt max_rate gt is greater than the highest rate supported by the modulation specified by lt mod gt the modem auotmodes down from the highest rate of the selected modulation For example AT MS 10 1 1200 24000 selects automoding down from V 32bis 14400 bps b To emulate issuance of the ATN1S37 x sequence command specify the modulation and the rate to start automoding down from using lt mod gt and rate respectively Set min to 300 to allow automoding all the way down to V 21 300 bps For example 4 28 AT MS 11 1 300 16800 selects automode starting at V 34 16800 bps no comparable S register 57 value AT MS 9 1 300 12000 selects automode starting at V 32bis 12000 bps same as ATN1S37
84. rward feature Default The AT En command controls the auto retrain and rate negotiation features of the modem Auto retrain enables the modem to monitor the line quality and request a retrain if the line quality is too poor Rate negotiation feature enables the modem to change the line speed during the V 34 V 32bis or V 32 retrain sequence according to the line quality If retrain is encountered the modem will stop the data flow for a shot period of time 4 18 AT L Line Signal Level Returns a value which indicates the received signal level The value returned is a direct indication at the telephone line connector For example 009 9 dBm 043 43 dBm and so on AT Q Line Signal Quality Reports the line signal quality The line quality shows the line noise the distortion and the frequency shift of the telephone network Based on the line quality retrain or fall back fall forward may be initiated if enabled by AT96E1 or AT E2 The line quality is reported in three decimal digits The modem will return ERROR if not connected to the remote modem AT Rn Ring Back Message Command AT RO Disables ring back message Default AT R1 Enables ring back message If issues the AT R1 command the modem will return the RING BACK or 102 depending on the ATVn command message to indicate the ring back signal AT96S Secondary Channel Control This command controls the On Off of the Secondary Channel You have to tur
85. s dynamic packet size adjustment to optimize data throughput Provides 2 wire full duplex dial up line 2 wire full duplex leased line and 4 wire leased line with dial backup operation Asynchronous and synchronous operation selectable on both front panel LCD controller or AT command Provides manual dial manual answer auto dial auto answer redial and full call progress monitoring functions Provides Microcom Networking Protocol MNP Class 10 to ensure best performance during Cellular Phone communication Supports Fax with Class 1 and Class 2 command and ITU T V 17 V 26bis V 27ter V 29 Optionally provides Voice and AutoSync function REMARK V 32bis Modem Function The maximum DTE speed can only be up to 57600bps for V 32bis modem The maximum DCE speed can only be up to 14400bps for V 32bis modem And do NOT support the ITU T V 8 V FC V 34 and MNPIO Recommendations 2 INSTALLATION Package Contents unpack the product package that you have received The following is a checklist of the package The modem A modem power cable Two telephone cables and one terminal box for RJ 45 Modem manual 33600 28800 14400bps Modem User s Manual Quick reference guide LCD MENU TREE If there is any wrong missing or damaged part please contact your dealer Modem Panel Description Modem Front Panel The standalone modem s front panel contains LCD display
86. s up when the power is applied to the modem TR Terminal Ready Lights up when the modem receive DTR Data Terminal Ready signal which indicates that the computer or terminal is ready CD Carrier Detected Lights up when carrier signal from a remote modem is detected AA Auto Answer Lights up when auto answer enabled and flashes on the condition of receiving ring signal Front Panel Switches There are four switches on the right hand side of the front panel These switches are used to configure the LCD controller It contains keyboard repeat function in a repeat rate of approximately 6 times 2 8 second The functions of switches are described below Left This switch scrolls the LCD menu to the left Right This switch scrolls the LCD menu to the right ENTER This switch is chosen to enter the next level menu If you are in the last level menu you can use this switch to execute the command or change the setting of the particular configuration EXIT This switch is chosen to exit to the previous menu If you are in the last menu you can use this switch to abort executing the command return to the previous menu or not changing the setting of the particular configuration If in the main screen press this switch once will display the model and version information Modem Rear Panel AC ON OFF TO DTE LEASED LINE PHONE LINE Figure
87. ssicsdccscavseccssccesssedeassescasecsesenies 4 21 AT Rn Serial Port Ring Indicator Control 4 21 AT S Modem Status 4 22 AT Kn Keyboard Interrupt 4 23 AT En ASI Overspeed M H 4 23 AT Rn Serial Port RTS OptIoR 4 24 AT MS Select 4 24 4 28 AT Mn Power Level Adjust 4 28 AT Hn Link Negotiation 4 28 AT Kn MNP Extended 5 4 29 AT On Enable Fallback to 22 15 22 4 29 AT Mn Initial Cellular Power Level Setting 4 29 AT En Compromise Equalizer Enable Command 4 30 AT Command Set ATA Manual Answer The modem will go off hook and attempt to answer an incoming call if correct conditions are met Upon successful completion of answer handshake the modem will go on line in answer mode The modem will enter the connect state after exchanging carrier with the remote modem If no carrier is detected within the period specified in S register 7 the modem hangs up Any character entered duri
88. t lt 5 gt CHAR 5006 WAIT DIAL WAIT CARRIER 5008 PAUSE CARRIER RESPONSE 5010 CARRIER LOS DISC DTMF DURATION 5012 ESC GUARD TIMER TEST SO20 AUTOSYNC SLEEP INACT 5025 DELAY TO DTR OFF RTS TO CTS DELAY 5029 FLASH DIAL TIMER CONNECT INACT 5052 XOFF 5037 CONNECT 5 HANGUP DELAY 5046 COMPRESS CONTROL V42 NEGO CONTROL SO82 BREAK CONTROL CALL FAILURE COD Press ESC to stop or press ANY KEY to continue CMD DESCRIPTION OPTION CMD DESCRIPTION OPTION 5091 PSTN XMIT LEVEL 010 5092 FAX XMIT LEVEL 010 5099 L L LEVEL 010 521 RESTORE 060 5212 BACKUP TIMER 060 OK AT Kn Keyboard Interrupt Command AT KO AT K1 Enables keyboard interrupt during handshake Default Disables keyboard interrupt during handshake This command controls the keyboard interrupt function After the modem enters the waiting for handshake state if any character coming from the terminal to the modem before the handshake has finished the modem will drop the telephone line and return the NO CARRIER result code If your system will send characters during the
89. t CR gt Response Please input OLD password Enter modem lt CR gt Response Please input NEW password Enter ABCDE lt CR gt 5 digits only Response 8 4 Please re enter NEW password to verify Enter ABCDE lt gt Response OK Remote Configuration This modem equip with the remote configuration can access the remote modem through front panel LCD display To perform the remote configuration the remote modem must be the same model listed in this manual and the secondary channel must be set to ON LAfter connect to the remote modem select the M option in the lt MAIN the modem will ask for lt lt LOCAL gt configuration Use the Key to select lt REMOTE gt 2 The LCD display shows the message LOADING REMOTE CONFIGURATION and after the configuration data has transfered it shows the second level menu This menu is from the remote modem 3 You can select any one menu and change any settings you like When all the selection is done press lt EXIT gt to return lt MAIN MENU gt 4 The modem will ask for confirmation of transfer data to the remote modem Press YES to confirm the data transfer and the return to the lt MAIN MENU gt If press NO all the changes are lost and return to the lt MAIN MENU gt 5 When you select the lt SAVE PROFILE gt in lt PROFILE MENU gt the modem will automatically send the changed configuration data
90. t to instruct the local device to stop transmitting data In effect the local device will stop send data and will only restart sending when it receives an Xon character from the remote system Hardware Flow Control The modem supports two types of hardware flow control the unidirectional and the bi directional hardware flow control The unidirectional hardware flow control is similar to the Xon Xoff unidirectional software flow control It accomplishes flow control by turning ON and OFF of CTS Clear to Send signal When the CTS signal is turned OFF the local device will cease to send data to the serial port of the modem data transmission will only be resumed when the CTS signal is turned ON Bi directional flow control uses both the CTS and the RTS Request to Send The RTS signal works in the same manner as the CTS signal i e the modem stops sending data to the serial port of the local device when the RTS signal is turned OFF and resumes sending data only when RTS signal is turned ON For most of the applications the unidirectional hardware flow control is sufficient Examples of these applications are systems primarily involved in downloading files For applications that need to support file uploading and do not support Xon Xoff flow control 3 5 bi directional hardware flow control is recommended so that the local device can also control the flow of data from the modem The modem also supports hardware flow control using DTR
91. tance if the DTE is set to 115200bps and the modem connects at 33600bps CARRIER 33600 then as long as the DTE does not overflow the transmit buffer data will pass intact and the terminal speed must remain at 115200bps Throughput will not exceed 33600bps Since it is difficult to ensure that the DTE will not overflow the transmit buffer two methods are provided to indicate to the DTE whether it can send data to the modem or not These two methods are hardware flow control and software flow control When hard ware flow control is enables the RS 232 control line CTS is controlled by the modem it indicates to the DTE whether it can send data or not When software flow control is enabled the modem sends control characters Xon Xoff to the DTE to do flow control Conversely the DTE may also indicate to the modem s ability to receive data by RTS an RS 232 control line in hardware flow control or by Xon Xoff software flow control characters Error Correction Mode The modem support ITU T V 42 error correction protocol When configured to V 42 the modem looks for incoming protocol of V 42 from the remote modem and try to establish an error correction connection The modem will provide data buffer so that the terminal speed may be different from the connection speed It also provides error detection and error correction Flow control must be activated when in error correction mode The ITU T V 42 V 42bis The ITU T V 42 supports two meth
92. tenuation level from O to 15 dB for the fax mode resulting in a transmit level from O to 15 dBm Range O to 15 dB Corresponding to O to 15 dBm transmit level Default 10 10 dBm transmit level 595 Extended Result Codes The bits in this register can be set to override some of the ATWn command options A bit set to a 1 in this register will enable the corresponding result code regardless of the ATWn setting Bit O CONNECT result code indicates DCE speed instead of DTE speed Bit 1 Appends to CONNECT XXXX result code in error correction mode XXXX bps rate Bit 2 Enables CARRIER XXXX result code XXXX bps rate Bit 3 Enables PROTOCOL XXXX result code XXXX protocol identifier Bit 4 Reserved Bit 5 Enables COMPRESSION XXXX result code XXXX compression type Bits 6 7 Reserved S99 Leased Line Transmit Attenuation Level 5 18 Sets the transmit attenuation level from 0 to 31 dBm for Leased Line mode resulting in a transmit level from 0 to 31 dBm Range O to 31 dB Corresponding to O to 31 dBm transmit level Default 10 10 dBm transmit level S201 Cellular Transmit Level The bits in this register are set by the AT Mn and commands to support cellular connections Default 3AH Bits 0 4 Initial Cellular Power Level Setting Mn Bit 5 Compromise Equalizer Enable Command En Bits 6 7 Reserved S211 Dial Back up Restore Timer This regist
93. th parentheses hyphen and spaces being ignored 0 9 Dialing digits O to 9 The star digit tone dialing only The gate digit tone dialing only A D DTMF digits A B C and D J Perform MNP 10 link negotiation at 1200bps for this call only K Enable power level adjustment during MNP 10 link negotiation for this call only L Re dial last number The modem will re dial the last valid telephone number The iLi must be immediately 4 4 after the D with all the following characters ignored Select pulse dialing Pulse dial the numbers that follow until a T is encountered Select tone dialing Tone dial the numbers that follow until a P is encountered This command will be accepted but not acted on Dial the number stored in the directory n O to 9 See AT amp Zn m Flash the modem will go on hook for a time defined by the value of S register 29 Wait for dial tone The modem will wait for dial tone before dialing the digits following W If no dial tone is detected within the time specified by S register 7 the modem will abort the rest of the sequence return on ho ok and generate an error message Wait for silence The modem will wait for at least 5 seconds of silence in the call progress frequency band before continuing with the next dial string parameter If the modem does not detect these 5 seconds of silence before the expiration of the call abort timer S register 7 the modem will termi
94. the ATXO command is issued The extended resulted code is reported while other ATXn parameter is issued Some other result codes are reported upon ATW1 command issued The detail result codes are listed below Short Form Long Form Standard Extended RING NO CARRIER ERROR ONNECT 1200 ES E NN EX SN EE 1251 NO DIALTONE Rr NO ANSWER CONNECT 0600 CONNECT 2400 10 11 CONNECT 4800 12 CONNECT 9600 A 6 M X ERE NK 09 4 9 14 CONNECT 12000 15 CONNECT 14400 16 CONNECT19200 17 CONNECT38400 17 B 19 CONNECT 115200 22 CONNECTI200TX ZRX 25 CONNECT7STX 2O0RX 44 CARRIER 1200 75 45 CARRIER75 200 46 CARRIERDOO 47 CARRIER2400 111 49 CARRIER 7200 50 CARRIER9600 51 CARRIER 2000 52 CARRIER 4400 19209 54 CARRIER 19200 55 CARRIRE2I600 56 CARRIER 2090 1 57 CARRIER 240 58 CARRIER28800 59 CONNECT16800 2600 17 62 CONNECT2400 64 CONNECT 28800 66 COMPRESSION CLASS 5 67 COMPRESSION V 42 bis 69 lt COMPRESSION NONE 77 PROTOCOL LAPM 80 PROTOCOL ALT 81 PROTOCOL ALT CELLULAR F4 FCERROR
95. tion process determines the capabilities of the remote modem If the capabilities of the remote modem are known and negotiation is unnecessary this process can be bypassed if desires The following options are selectable using S register 48 S48 7 Enables negotiation Factory setting S48 0 Disables negotiation bypass the detection and negotiation phases and process with LAP M S48 128 Disables negotiation bypass the detection and negotiation phases and proceed at once with the fallback actions specified in S register 56 This option can be used to force the modem to use MNP to communicate S36 The V 42 Negotiation Fallback S register 56 specifies the action to take when desired connection cannot be made The options are S36 0 Modem hangs up S36 1 Modem stays on line and a direct mode connection is established S36 3 Modem stays on line and a normal mode connection is established S36 4 An MNP connection is attempted if it fails the modem disconnects S36 5 An MNP connection is attempted if it fails a direct connection is established S36 7 An MNP connection is attempted if it fails a normal connection is established These fallback options are initiated immediately on connection if S register 48 128 This register can be used with S register 48 128 to set the modem to MNP mode only For example Modem with S48 128 Function 536 4 An MNP is attempted if fails disconnects 5365 An MNP is
96. to check DTR after establishing a connection The unit of S register 25 is second This allows enough time to disconnect the modem from an asynchronous terminal and attach it toa synchronous terminal without forcing it back to the command mode After this time delay the unit of S register 25 is changed to hundredth of a second All the DTR status changes must last longer than the time specified by S register 25 before the modem 5 10 recognizes the DTR changed Range 0 255 1 second for synchronous mode 1 right after connect 0 01 second otherwise Default 5 S26 RTS to CTS Delay Interval This register controls synchronous mode and asynchronous direct mode only has no effect in asynchronous normal or error correction mode When Clear To Send CTS tracks Request To Send RTS and the modem detects an OFF to ON transition on RTS S register 26 sets the length of time the modem waits before turning on CTS CTS tracks RTS when AT amp RO is set Range 0 255 hundredths of a second Default 1 millisecond S27 Bit Mapped Options Status Indicates the status of command options Bits 0 1 5 Synchronous asynchronous selection amp Mn amp On or amp 00 selected 1 01 selected 2 amp 2 or 02 selected 5 amp MS 03 selected 4 6 04 selected 5 405 selected Default 6 606 selected Bit 2 Reserved Bits 4 5 Synchronous clock selection amp Xn 0 Internal clock amp XO Default

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