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Introduction 1

1

Introduction

Congratulations on the purchase of your U-336S modem - one of
ZyXEL's premier high-performance products. The U-336S modem
is world renown for its ability to maintain ultra high speeds and
clear, quality connections while communicating around the globe.

If you do not find information on a specific topic, or if you would
like more information about a topic covered in your User's Manual,
please call ZyXEL Technical Support at 714-693-0808. Other
means of contacting ZyXEL are listed in the Contacting ZyXEL
section.

Unpacking Your Modem

Enclosed Equipment

Before you proceed further, please check all items you received
with your modem against this list to make sure nothing is missing.
The complete package should include:

•

One U-336S universal modem.

•

One AC power adapter (external model).

•

One RJ-11 modular telephone cable.

•

One warranty/registration card.

•

This User’s Manual.

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Содержание U-336S

Страница 1: ...U 336S User s Manual Version 2 0 Mar 1997 ZyXEL ACCESSING INTERNET INTRANET ...

Страница 2: ...nt as provided under this warranty is the exclusive remedy of the purchaser This warranty is in lieu of all other warranties express or implied including any implied warranty of merchantability or fitness for a particular use or purpose ZyXEL shall in no event be held liable for indirect or consequential damages of any kind or character to the purchaser To obtain the services of this warranty plea...

Страница 3: ...ein without notice This document is subject to change without notice Acknowledgments Trademarks mentioned in this manual are used for informational purposes only Trademarks are properties of their respective owners FCC Part 15 Information This device complies with Part 15 of FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This devic...

Страница 4: ...ons not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Shielded RS 232 cables are required to be used to ensure compliance with FCC Part 15 and it is the responsibility of the user to provide and use shielded RS 232 cables Information for Canadian Users The Industry Canada label identifies certified equipment This certification m...

Страница 5: ...should ensure that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electrical inspection authority or electrician as appropriate This digi...

Страница 6: ...amending directive on the approximation of the laws of the member states relating to EletoMagnetic Compatibility Contacting ZyXEL If you have questions about your ZyXEL product or desire assistance contact ZyXEL Communications Corporation in one of the following ways Phone In North America call between 8 00 AM and 5 00 PM PST at 714 693 0808 Outside North America you can dial 886 3 5783942 EXT 252...

Страница 7: ...d at this FTP address ftp zyxel com For European versions and related files use the address ftp zyxel co at Postal Service You can send written communications at the following address ZyXEL Communications Corporation 6 Innovation Road II Science Based Industrial Park Hsinchu Taiwan 300 R O C or ZyXEL Communications Inc 4920 E La Palma Avenue Anaheim CA92807 U S A ...

Страница 8: ...uired Equipment 2 Becoming a Registered Owner 2 Modem Features 3 Standard Features 3 Intelligent Features 4 Fax Compatibility 5 Technical Specifications 5 2 Installation 7 Front Panel 7 Front Panel LEDs 7 Front Panel Switches 8 Rear Panel Markings 8 Modem Connection 10 Powering Up 10 3 Basic Modem Operation 13 Understanding AT Commands 13 Using the Windows 95 Hyper Terminal Program 13 ...

Страница 9: ...1 Saving Settings and User Profiles 22 Helpful Hints for PC Computers 22 Default Modem Settings for PC s 23 ZyXEL Serial Parallel I O Card 23 Helpful Hints for Mac Computers 24 Special AT Command Settings for Mac 24 Mac Serial Port 24 Mac Software Tips 24 Helpful Hints for UNIX Based Computers 25 Serial Cable 25 Basic Modem Settings for UNIX 25 Unix Software Tips 26 4 LCD Panel Operation 27 LCD Pa...

Страница 10: ...ronous Mode 42 Auto Answer 42 Manual Answer 42 5 Leased Line Operation 43 Connecting to a Leased Line 43 Line Type Setting 43 Power Level Setting 43 Leased Line Handshaking 44 Manual Connect 44 Auto Handshake 44 Leased Line Dial Backup 45 Dial Backup 45 Aborting from Leased Line Operation 46 Terminating a Leased Line Connection 46 6 Special Functions 47 Security Functions 47 Levels of Security 47 ...

Страница 11: ... 63 Class 1 Command Set 64 Class 2 Command Set 65 Class 2 0 Command Set 71 Extended Fax AT Command Set 79 Flow Control 83 Fax Reception from a BBS 84 8 AT Command Set Summaries 87 Basic AT Command Set 87 Description of ATI2 Output 91 Extended AT Command Set 93 Extended AT Command Set 100 9 Status Registers Result Codes 104 S Register Descriptions 104 Basic S Registers ATSn x 104 Extended S Registe...

Страница 12: ...r Lights 132 Line Condition Status Display 132 Trouble Shooting 134 AT Command Set Problems 135 Command Echo Problems 136 Answer Problems 137 Dialing Problems 138 Data Transfer Problems 138 Connection Problems 139 11 Upgrading Your Modem 140 Upgrading by Flash EPROM 140 Kernel Recovery Mode 141 12 Connector Pinouts 142 Phone Jack Pinouts 142 PC Serial Port Pinouts 143 Macintosh Serial Port Pinouts...

Страница 13: ... like more information about a topic covered in your User s Manual please call ZyXEL Technical Support at 714 693 0808 Other means of contacting ZyXEL are listed in the Contacting ZyXEL section Unpacking Your Modem Enclosed Equipment Before you proceed further please check all items you received with your modem against this list to make sure nothing is missing The complete package should include O...

Страница 14: ...on on page vi Required Equipment In addition to the ZyXEL modem you just purchased you must have the following equipment to operate your modem Computer terminal Available PC serial port with a high speed 16550 UART Standard straight through RS 232 cable pins 1 8 20 22 Available telephone jack Available AC wall outlet Telephone line from your telephone company dial up or leased line Data and fax co...

Страница 15: ...ications faster easier and more convenient Standard Features Ultra high speed modem supports V 34bis for 33 600bps and is backwards compatible Operates in all environments including Windows 95 DOS Windows Macintosh OS 2 UNIX Novell Amiga and IBM AS400 RS6000 V 42 and MNP 4 3 error correction V 42bis and MNP 5 data compression DTE serial interface with speeds up to 460 8Kbps 20 x 2 LCD display 10 L...

Страница 16: ... security and password protection restricts access to authorized callers only Caller ID identifies incoming calls before you answer you must subscribe to this service through your telephone company in order for your modem to identify callers Distinctive ring detects data fax and voice calls this feature requires communication software that supports distinctive ring such as ZFAX Remote configuratio...

Страница 17: ...rol software XON XOFF or hardware CTS RTS Configuration settings software programmable with non volatile memory for phone number profile storage Diagnostics self test analog loopback with self test digital loopback and remote digital loopback with self test Dialing type tone pulse dialing Line interface 2 wire dial up or 2 4 wire leased line Call progress monitoring dial tone busy and ring back de...

Страница 18: ...6 Introduction ...

Страница 19: ... well ventilated The ventilation slot of your ZyXEL modem located on the sides and bottom should not be covered and should allow free movement of air Front Panel The figure below shows the front panel of the U 336S There are 10 LED indicators a 20 x 2 LCD display and four key switches Figure 2 1 Front Panel Front Panel LEDs PWR Power ON indicator lights up when your modem is turned ON OH Off Hook ...

Страница 20: ...DTE computer receives data on the serial port CD Carrier Detect indicator lights up when a valid carrier is detected present on the line RTS DTE mode Request To Send indicator indicates the signal status of RS232 signal RTS from DTE RTS is used for hardware flow control in asynchronous data transmission CTS DTE mode Clear To Send indicator lights up when modem can accept data for transmission It i...

Страница 21: ...4 wire leased line DIAL UP LINE Dial up line RJ 11 terminal jack for connection to a 2 wire dial up line PHONE Telephone line RJ 11 terminal jack for connection to a telephone set EIA 232D Serial port DB25S connector for connection to the serial port of a DTE computer terminal Pin assignments are listed in Chapter 12 Connector Pinouts for your reference The signal pin assignments on RJ 11 and JM8 ...

Страница 22: ...ions If a leased line is not used simply leave the connection open There are no DIP switches or configuration settings that you need to worry about Your modem comes factory pre set and allows you to fully configure the modem from the LCD display User configurations are also conveniently stored in user selectable non volatile memories and can be recalled as often as needed Powering Up Once your mod...

Страница 23: ... display the current modem settings on the LCD panel as shown below Your modem is now ready for use Multi auto V42b DL D R O A 115200 AS DIALING REDIAL LAST NUMBER ORIGINATE MODE ANSWER MODE DTE RATE DATA FORMAT LINE TYPE ERROR CONTROL LINK OPTION Figure 2 4 Idle Screen ...

Страница 24: ...12 Installation ...

Страница 25: ...the user with the computer keyboard Command statements must be written in a specific form in order for your modem to recognize them A command statement always begins with the letters AT or at It is then followed by one or more commands and the Enter key AT commands can only be issued when your modem is in command mode or off line Once your modem has established a connection with another modem it i...

Страница 26: ...l be prompted for country information area code and phone number and the device used to make the connection For this test purpose do not enter a phone number simply choose the COM port your modem is connected to from the Connect Using list Click OK when finished The next window sets the COM port settings The settings used for your modem should be as follows Bits per second 57600 Data bits 8 Parity...

Страница 27: ...nect from the Call menu Dialing and Answering Techniques Depending on what communications software you use to make modem connections you may not have as much control of how the modem dials the telephone number This section shows some useful examples of the AT commands used for dialing and answering operations The command characters specific to each function are shown in bold type Dialing using the...

Страница 28: ... hook ATDT 2468 Auto Answer and Hook Controls Enabling Auto Answer ATS0 n O ONOTE IN THIS EXAMPLE N IS A NUMBER FROM 1 TO 255 THAT CORRESPONDS TO THE NUMBER OF RINGS AFTER WHICH YOUR MODEM ANSWERS AN INCOMING CALL Disabling Auto Answer ATS0 0 Manually Answering a Call ATA Take modem off hook ATH1 Hang up modem on hook ATH0 Manually Disconnecting a Call ATH Making Your First Connection In order to ...

Страница 29: ...s when issuing AT Commands The ENTER or RETURN key must be pressed to execute a command Multiple AT commands can be combined into one line For example AT D2 and AT N0 can be combined into one line AT D2 N0 Your modem processes commands from left to right The AT command that appears to the right might over write the command to the left if they are trying to accomplish tasks or set modes that cannot...

Страница 30: ...code There are a few basic commands that do not require the AT command prefix These are as follows Command Description A Repeats the last issued AT command once A Repeats the last issued AT command once or re dials the last dialed number up to 9 times until a key is pressed or a connection is made any key Terminates the current connection attempt if pressed while modem is handshaking Escape code s...

Страница 31: ... AT command your modem sends a result code to let you know whether the command was executed An OK result code means the AT command you sent was executed If you receive an ERROR code it means the command was invalid The U 336S also provides result codes that show Whether or not a Dial Tone was detected when the modem originated a call If a busy signal was detected when the modem originated a call I...

Страница 32: ...S0 and press Enter The modem responds with a three digit character showing the value of this register followed by OK A value of 002 for example means your modem will auto answer incoming calls after the second ring Some S registers are bit mapped For these registers you can use the Sr b command to read their values For example to read the value of S register S35 bit 7 type ATS35 7 and press Enter ...

Страница 33: ...n the format AT Zs n The s is a number from 0 to 49 that represents the location in memory that the phone number is to be stored and the n is the phone number itself Example To store the number 1 714 555 1212 in memory location 2 type AT Z2 17145551212 Enter You can store up to 50 telephone numbers Dialing Stored Phone Numbers The AT command syntax used to dial a stored number is ATDS n The n is t...

Страница 34: ... Resets the current settings with the settings in profile n n 0 to 4 Profiles 0 to 3 User profiles Profile 4 Factory default profile Helpful Hints for PC Computers Most PCs are equipped with more than one serial port Standard cables are readily available from many suppliers Usually serial ports are manufactured in two forms either with a 25 pin male jack or a 9 pin male jack For high speed serial ...

Страница 35: ...the disk cache by including SMARTDRV execution in your AUTOEXEC batch file Default Modem Settings for PC s The U 336S factory settings are configured for operation with PC type computers and communication software In most cases no additional settings will be required The following are some of the default settings that are used for operation with PC computers and software AT Command Description E1 ...

Страница 36: ...s for Mac For operation with Mac computers you may use the factory default settings with one exception You must set the modem to ignore the DTR signal as follows Type AT D0 enter set modem to ignore DTR AT WZ enter saves the settings to power up profile Mac Serial Port When you connect your modem to a Macintosh computer make sure the cable is a hardware handshaking type These cables are readily av...

Страница 37: ... to freeze for a few minutes During this time the line manager software tries to locate and to set up the modem Turn on your modem before you start your Macintosh to avoid this delay MaxFax is another fax software for Macintosh computers Drivers are available which allow use of the serial ports at speeds up to 230 4 Kbps These drivers are currently available for Power Macs and AV Macs only Helpful...

Страница 38: ...m a terminal or an X Windows application you need a program such as Minicom or Seyon If you wish to make use of your ZyXEL modem s special features special gettys such as mgetty or vgetty are needed These programs are available from several ftp sites Some archives also contain source files You should suppress the modem s result code to ATQ1 because some applications may be confused by them ...

Страница 39: ...he factory default settings should be just right for you Connect the modem according to the instructions in Chapter 2 install the communication software follow the instructions in this chapter and you re all set LCD Panel The modem s actions options and parameters can be set changed and viewed from the front panel or viewed and changed through AT commands by the computer or terminal connected to t...

Страница 40: ...in the idle screen Information Example Link Option V34 V 34 Link Speed 33600 bps Error Control V42 implied by V 42bis Data Compression V42b V 42bis Line Type DL Dial up line Data Format AS asynchronous DTE Speed 115200 bps Panel Operation Use the four arrow keys to manipulate the menu tree Left Right arrow keys used for horizontal item selection and option selection Up arrow key also called the ME...

Страница 41: ...played by pressing the left or right arrow key at the menu s top level This LED status screen has five status indicators DCD DSR CTS RTS and SQ These status indicators are identical to the LED indicators of the non LCD modems Values in one of the other screen displays may give much more detailed information than some of these status indicators e g a data state screen means DCD is on and an idle sc...

Страница 42: ... blinking cursor to D press enter and you will go into the DIALING DIRECTORY Valid digits characters for dialing are 0 1 2 3 4 5 6 7 8 9 Comma Pause Semicolon Return to command state at character 5 second silent wait Hook flash P Pulse dial R Reverse dial T Tone dial W Wait for dial tone Dash Digit separator Backspace Backup one character and delete Dial Memory The first menu in the dialing direct...

Страница 43: ...ers 17 through 25 are displayed on the second line of the LCD display Storing a Number Pressing the right arrow key from the DIAL MEMORY display will move the menu to STORE NUMBER Pressing the ENTER key at this point will produce the following screen display z 00 12345 ENTER z 00 SELECT MEMORY SELECT DIGIT Changing an existing number z 00 1234567 ENTER z 00 SELECT MEMORY SELECT DIGIT Equivalent AT...

Страница 44: ...mber entry and nothing will be changed or saved Dialing a Number The same procedure as in the STORE NUMBER operation is used when entering numbers Once the number entry is completed press the ENTER key to dial the number _ ENTER 1234567_ SELECT MEMORY SELECT MEMORY Equivalent AT Commands ATD1234567 Dial phone number Manual Dial Use of a telephone set to make a call in which case an answer tone com...

Страница 45: ...in and the modem will change from data to voice communication When both sides wish to return to data communication one side should press O while the other side presses A as explained previously This operation will reinitiate the modem handshaking and enable data communication Equivalent AT Commands Escape sequence code causes a modem to return to command state Enter the escape sequence while in da...

Страница 46: ...o answer ATS0 n Automatically answer on the nth ring Dialing Messages Dialing will cause the following screen to be displayed on the LCD DIALING 1234567 The dialed phone number will be displayed on the second line of the LCD screen If the number exceeds 20 digits only the first 20 digits characters will be displayed If the modem s DIAL UP LINE jack is not plugged in or not connected the LCD screen...

Страница 47: ...e IDLE STATUS screen If the time interval depicted in the S7 register expires and the line is still not connected the LCD screen shows DISCONNECTING 1234567 The modem will then return to the IDLE STATUS screen If the first handshaking signal has been detected the LCD screen will display HANDSHAKING 1234567 If a connection has been made the LCD will display the actual connected status These are dat...

Страница 48: ...51324 bps Link Speed in synchronous mode On line Status Screen 2 Status Display Unit Signal to Noise ratio 30 9 dB Receiving Signal level 25 1 dBm Phase Jitter in received signal 0 4 degrees Frequency Offset in received signal 0 0 Hz On line Status Screen 3 Status Display Unit Retrain Granted 0 Retrain requesTed 0 Round trip Echo Delay 128 T 1 2400 s Carrier Loss counts 0 On line Status Screen 4 S...

Страница 49: ... causes a modem to return to command state Enter the escape sequence while in data state and wait for the modem to respond ATH Go on hook hang up disconnect the modem Pressing the up arrow key MENU or selecting NO will switch the screen back to the ON LINE STATUS screen 1 and the modem remains on line Pressing ENTER will hang up the line and cause the modem to revert to the IDLE STATUS screen to a...

Страница 50: ...ry to make sure that the remote modem and system are also set to synchronous mode Synchronous operation applies to all of the non FSK modes the modem is supplied with Before synchronous transfers are started some initial settings should be made V 25bis Command Set To enable V 25bis commands use the AT I1 command For synchronous applications the modem is permanently set in normal situations for use...

Страница 51: ...T Answer Tone is not detected INC INC Incoming call VAL VAL Valid INV INV Invalid LSN LSN n number List of stored numbers Response to RLN RST RST Changes to the asynchronous AT command mode Clock Options Synchronous data must be transmitted and received with a common timing clock This timing clock is used to transmit data from the DTE to the modem which modulates the data according to this clock T...

Страница 52: ...e auto retrain cannot use adaptive rate SLAVE AT X2 Recovered receiver clock serves as transmission clock RTS Options There are two RTS options The choice depends on application and host terminal requirements In asynchronous mode RTS is used as a hardware flow control signal IGNORED AT R1 RTS is ignored always assumed to be ON Default CTS TRACKS RTS AT R0 Delay before CTS responds to RTS s change ...

Страница 53: ...onous commands In this case set M3 and I1 and the modem will accept V 25bis commands and make a synchronous connection 3 Using DTR to dial a stored number in synchronous mode Store the telephone number by the asynchronous command Zn Use the DEFAULT DIAL parameter menu or Dn command to select the default dial pointer Set D1 and either M1 or M3 then raise DTR from your terminal or communication soft...

Страница 54: ... to synchronous mode Set the S register S0 to equal the number of rings before auto answer occurs Set it from the terminal if M1 is set using the asynchronous AT command or select the STATUS REGISTER menu to change the S0 value Manual Answer Type ATA from the terminal if M1 is set ...

Страница 55: ...ased line jack The leased line must be connected to the jack labeled LEASED LINE located at the rear of the modem You can set your modem for leased line operation by typing commands from the terminal or by selecting it from the front panel The leased line phone jack pin assignments are shown in Chapter 12 Connector Pinouts Line Type Setting AT Command Description AT L1 The modem is connected to a ...

Страница 56: ...cur in this situation If these two modems want to establish a data link one must be designated as the originator and the other as the answerer You can set this manually or automatically Manual Connect Set the modem to leased line mode Type the asynchronous command ATD to the originating modem and ATA to the answering or press O on the IDLE SCREEN menu of the originating modem and press A on the ID...

Страница 57: ...he connection the answering modem will reattempt to connect to the leased line and monitor the dial up line for rings Incoming dial backup calls will be answered Dial Backup The dial backup option can be set by issuing an asynchronous AT command from the terminal or by using the front panel control AT Command Description AT B0 Leased line dial backup disabled Default AT B1 50 When the leased line ...

Страница 58: ...tes If the leased line has still not been recovered the modem will continue to use the dial backup line Aborting from Leased Line Operation If the leased line has not been connected pressing any key on the front panel will abort the attempt to connect to the leased line If dial backup is enabled backup action will be taken Pressing any key again will abort the backup action and revert to the IDLE ...

Страница 59: ...the remote modem is also a ZyXEL modem Type 2 security is used when the remote modem is any other brand The type 1 connection the dial in remote modem will send in its supervisor password for checking at the initial connection and the local modem will check this password against its pre stored acceptable password list The type 2 connection the remote terminal will be prompted to enter the password...

Страница 60: ...minal mode Any access attempt will result in the modem s prompting the user to enter the supervisor password The attempt will be rejected if the entered password is not correct The default supervisor password is ZyXEL when the modem is shipped from the factory This supervisor password is also the password sent for automatic password checking in a type 1 connection To modify the supervisor password...

Страница 61: ...ssword check and callback G3 Enable type 2 and level 1 security with password check G4 Enable type 2 and level 2 security with password check and callback G5 Enable type 2 and level 2 security with password check and callback remote site enters the callback number O ONOTE BEFORE THE SECURITY TYPE OR LEVEL CAN BE CHANGED THE MODEM REQUIRES THE SUPERVISOR PASSWORD For type 2 security the remote site...

Страница 62: ...ctive settings back to the profile Then the connection is reestablished and the profile transmitted to the remote modem Reading a remote profile b into a local profile a is achieved with the command AT Rab a 0 3 Local user profile number b 0 3 Remote user profile number b 4 Remote active configuration b 5 Remote factory default Return the modems to on line status again The local modem can upload w...

Страница 63: ...here are many remote modems and a set of standard configurations is available so you can store them into user profiles You just need to configure the remote modem into one of the standard configurations by activating the remote configuration once Caller Number Delivery Caller ID Caller Number Delivery CND commonly called Caller ID is a new kind of phone service that may be offered by your local ph...

Страница 64: ...ction O ONOTE THE CALLER ID MESSAGE MAY CAUSE SOME COMMUNICATION SOFTWARE THAT IS NOT EXPECTING IT TO BECOME CONFUSED IF YOU PLAN TO USE THE CALLER ID FEATURE BE SURE YOU ARE USING SOFTWARE THAT SUPPORTS IT SUCH AS ZFAX In single message format the modem will send a ring message to the terminal as follows RING TIME MM DD hh mm CALLER NUMBER CALLER_ID or CALLER NAME CALLER_NM RING MM is the two dig...

Страница 65: ...mm CALLER NUMBER Caller_ID CALLER NAME Caller_Name RING Here is an example RING TIME 04 28 12 30 CALLER NUMBER 7135551414 CALLER NAME Nathan Yen RING If the caller number and name are not available the ring message will appear as follows RING TIME 04 28 12 30 REASON FOR NO NUMBER OUT_OF_AREA REASON FOR NO NAME PRIVACY RING The last CND message that the modem received can be displayed by using the ...

Страница 66: ...end a different type of ring signal for each phone number being called The subscriber can distinguish which number is called by which type of ring is received One benefit of this feature is the ability to have three numbers on the same line allowing you to list the three numbers for voice data and fax respectively You can then have your fax machine answer only the ring corresponding to the fax num...

Страница 67: ...ccepted ring by the modem The control relationships between bits 3 6 in register S40 and the different ring types are Type Bit on Ring Sequence 1 3 1 2s or 2s on 4s off 2 4 0 8s on 0 4s off 0 8s on 4s off 3 5 0 4s on 0 2s off 0 4s on 0 2s off 0 8s on 4s off 4 6 0 3s on 0 2s off 1s on 0 2s off 0 3s on 4s off O ONOTE IF ALL OF THESE BITS ARE 0 OFF ANY RING WITH A DURATION LONGER THAN 100 MS WILL BE ...

Страница 68: ...ata fax CNG tone without physically answering the call After a CNG tone is detected the modem will report RING or RING n to the application software The software can cause the modem to answer the call 2 Detect several DTMF tones without physically answering the call The DTMF tones once detected by the modem will be reported as RING or RING n to the software application With these two functions you...

Страница 69: ...into EDR mode after the ring disappears and it will be able to detect the data fax CNG tone and DTMF tones and report them as different types of rings The EDR settings are defined in S register S51 S51 Bit mapped register default 0 Bits Bin Dec Description 7 6 00 0 Disable data CNG tone detection default 01 64 Report RING for data CNG tone 10 128 Report RING 1 for data CNG tone 11 192 Report RING ...

Страница 70: ...t once the CNG or DTMF tone is detected The timing relationship between the Caller ID if enabled EDR and ring detection is as follows ring1 ring2 ring3 3sec 3s 3s 3s S7 time out CID EDR RD EDR RD EDR RD EDR RD CID Caller ID task RD Ring Detection task EDR EDR task O ONOTE DURING THE EDR PERIOD ANY AT COMMAND WILL DISABLE THE EDR FUNCTION EDR Application Example If we use ZFAX as our fax receiving ...

Страница 71: ... Set S51 4 1 to enable fax CNG tone detection It is reported as RING 4 Set S51 2 1 to enable DTMF tone detection It is reported as RING If the remote fax machine does not generate the CNG tone ask a fax caller through your answering machine message to press or any other DTMF key if he or she wants to send a fax Save the settings in a profile and reset the modem with AT WZ ...

Страница 72: ...60 Special Functions ...

Страница 73: ... four major parts in a fax machine the scanner encoding and decoding device modem and printer Before a page can be sent it is first scanned The bit mapped data is encoded with data compression and is then transmitted across the phone line by an internal modem module The remote facsimile receives the data with its internal modem decodes it back to bit mapped image data and prints it on paper Fax Br...

Страница 74: ...em supports Group 3 send and receive facsimile functions For normal fax operation you must connect the modem to a computer usually a PC The computer serves as the input output device for the fax function The RS 232 serial connection or the ZyXEL serial port interface connects you modem to the computer Your modem uses the same interface for both data and fax applications In fax operations the modem...

Страница 75: ...he Fax Command Sets The EIA Class 1 and Class 2 fax commands are a set of AT fax commands defined by EIA TIA Telecommunications Industry Association for controlling fax modems from a computer through the serial RS 232 interface All fax modems and fax software supporting this standard will be compatible with each other Class 1 commands control on line modem negotiation while Class 2 commands allow ...

Страница 76: ...HE RESPONSE TO THE FCLASS COMMAND WILL NOT REPORT CLASS 1 CAPABILITY THIS IS DUE TO THE FACT THAT SOME FAX SOFTWARE PACKAGES MAY GET CONFUSED BY THIS RESPONSE Command Value Description FTS n 0 255 Stop transmission and pause in 10 ms units FRS n 0 255 Wait for silence in 10 ms units FTM MOD Transmit data with MOD carrier FRM MOD Receive data with MOD carrier FTH MOD Transmit HDLC data with MOD car...

Страница 77: ...17 w st 9600 required for FTM FRM 121 V 17 12000 required for FTM FRM 122 V 17 w st 12000 required for FTM FRM 145 V 17 14400 required for FTM FRM 146 V 17 w st 14400 required for FTM FRM w st means with V 17 short training Class 2 Command Set The following Class 2 commands are supported and implemented per TIA PN2388 8 20 90 Command Syntax Description command value Execute a command or set a para...

Страница 78: ...ving mode for phase C data FBUF Buffer size read only parameter Allow DTE to determine the characteristics of the DCE s buffer size FCIG string Local fax station ID string for polling Rx FCLASS n Service class selection Refer to FCLASS Class 1 command in previous section FCON DCE responds fax connection FCQ n Copy quality check capability parameter n 0 No copy quality check capability n 1 Only che...

Страница 79: ...1728 pixels in 215mm wd 1 Page width 2048 pixels in 255mm wd 2 Page width 2432 pixels in 303mm ln 0 Page length A4 297mm ln 1 Page length B4 364mm ln 2 Page length unlimited length df 0 Data compression format 1 D modified Huffman df 1 Data compression format 2 D modified Read ec 0 Error correction disabled ec 1 Enable error correction mode bf 0 Disable binary file transfer st 0 Minimum scan time ...

Страница 80: ...ase the DCE to proceed with negotiation FET n End of page or document command n 0 More pages same document n 1 End of document another document follows n 2 No more pages or documents n 4 Procedure interrupt another page follows n 5 Procedure interrupt end of document another document follows n 6 Procedure interrupt end of document FK Regular fax abort command FLID string Local ID string parameter ...

Страница 81: ...command after reaching the end of data when transmitting in Phase C value 0 to 255 100 ms units FPTS n Page transfer status n 1 Received page good n 2 Page bad retrain requested n 3 Page good retrain requested n 4 Page bad procedure interrupt requested n 5 Page good procedure interrupt requested FREL n Phase C received EOL alignment n 0 The EOL patterns are bit aligned as received n 1 The last rec...

Страница 82: ...SI string Report remote ID response CSI FDCS vr br wd l n df ec bf st Report session parameters response refer to FDCC command FDIS vr br wd l n df ec bf st Report session negotiation parameters response refer to FDCC command FDTC vr br wd ln df ec bf st Report remote capabilities response refer to FDCC command FET n Post page message response refer to the FET n command FHNG n Call termination sta...

Страница 83: ...L Remote polling indication FPTS n Receive page transfer status response refer to FPTS n command FTSI string Report remote ID response TSI FVOICE Transition to Voice response Class 2 Flow Control Flow control is necessary to match the DTE DCE data rate to the line signaling rate while transmitting or receiving Group 3 T 4 data In Class 2 fax mode both hardware RTS CTS and software XON XOFF flow co...

Страница 84: ...ec bf st DCE capability parameter Refer to FDCC command in Class 2 for parameter settings FCLASS n Service class selection Refer to FCLASS Class 1 command in previous section FCO DCE response fax connection made FCQ rq t q Copy quality check capability parameter rq 0 DCE Receive Copy Quality Checking disabled rq 1 DCE Receive Copy Quality Checking enabled rq 2 DCE Receive Copy Quality Correction e...

Страница 85: ... parameter n 0 Determine that T 4 EOL patterns are bit aligned as received n 1 Determine that the last received bits of T 4 EOL patterns are byte aligned by the DCE with necessary zero fill bits inserted FIE n Procedure interrupt parameter n 0 Procedure interrupt requests from the remote station are ignored and not reported to the DTE n 1 Procedure interrupt requests from the remote station are ac...

Страница 86: ...tification FMR Request DCE revision identification FMS n Minimum phase C speed parameter refer to FMINSP Class 2 command in previos section for parameter settings FNR rpr tpr idr nsr Negotiation message reporting control parameters rpr 0 Receiver parameters are not reported FIS and FTC response reports are suppressed rpr 1 Receiver parameters are reported FIS and FTC response reports are generated...

Страница 87: ...mal coded octets FPI string Local fax station ID string for polling Rx FPR n Serial port rate control parameter n 0 Automatic DTE rate detection by the DCE n 0 Serial rate is fixed at the value multiplied by 2400 bps For example when n 8 the DTE rate is equal to 19200 bps 8x2400 FPS n Page transfer status refer to the FPTS Class 2 command in previous sections for settings FRQ pgl cbl Receiving qua...

Страница 88: ... page the DCE shall consider the page unacceptable FSP n Enable polling command n 0 Disable polling n 1 Enable polling Class 2 0 Command Responses Response Value Function and Description FCI CSI ID string Report remote ID response Called Station ID FCO Fax connection established response FCS vr br wd ln df ec bf st negotiated session parameters DCS frame information response Refer to FIS comnd FET...

Страница 89: ... details hsc 40 4F Transmit phase C hang up codes Refer to TIA 592 for details hsc 50 6F Transmit phase D hang up codes Refer to TIA 592 for details hsc 70 8F Receive phase B hang up codes Refer to TIA 592 for details hsc 90 9F Receive phase C hang up codes Refer to TIA 592 for details hsc A0 BF Receive phase D hang up codes Refer to TIA 592 for details FIS vr br wd ln df ec bf st Remote fax stati...

Страница 90: ...e request for procedure interrupt accepted ppr 5 Page bad retrain requested remote request for procedure interrupt accepted The receiving DCE may count lc blc cblc and lbc due to DCE buffer overflow and report them lc line count blc bad line count cblc maximum consecutive bad line count lbc lost byte count FTC vr br wd ln df ec bf st Remote fax station capabilities DCT frame information response r...

Страница 91: ...For instance you can use ATD to make a fax call or ATA to answer an incoming fax call When using the extended Fax AT commands you need to send the command AT FCLASS 6 first Following are the fax related AT commands Mode Setting Command Function F Set the modem into V17G3 FAX mode same function as the extended AT command AT N32 B0 Set fax receiving mode The connection parameters and received fax da...

Страница 92: ...olution V1 Set to high vertical resolution T0 Set to one dimensional coding scheme T1 Set to two dimensional coding scheme R0 Set recording width 1728 picture elements along a scan line length of 215 mm R1 Set recording width 2048 picture elements along a scan line length of 255 mm R2 Set recording width 2432 picture elements along a scan line length of 303 mm L0 Set maximum recording length A4 29...

Страница 93: ...t 3 85 line mm T 7 7 T 3 85 P string Set local phone number to the phone number following the character P can store up to 25 characters The modem will exchange this phone number with the remote fax machine during initial handshaking Status Report Result Codes When the U 336S is in fax mode each ATD or ATA command will make the modem try to establish a fax connection Your modem will send a status r...

Страница 94: ...on n 0 or 1 Tn Coding scheme n 0 or 1 Rn Recording width n 0 1 or 2 Ln Recording length n 0 1 or 2 Cn Scan line time n 0 to 7 P string Remote fax number After each fax disconnection the following result code is sent back to the DTE DISCONNECTnP string This result code informs DTE of the disconnecting status Field Description DISCONNECT0 Disconnect with remote confirmation DISCONNECT1 Disconnect wi...

Страница 95: ...at the remote facsimile has received the fax message successfully Then it hangs up the phone and sends a status report to the DTE If you want to send a multi page fax just add the RTC signal between the fax message of two pages The modem detects the RTC signal automatically handshakes the multi page procedure with the remote facsimile and sends the next page The following flow control signaling is...

Страница 96: ...he list to CONNECT FAX 3 Set the external mail string to ZyXEL and give it an error level 4 In your BBS batch file if the error level matches the external mail execute rcvfax 2 p comport w workpath This setting will enable the BBS to receive a fax and store it automatically The following is a sample setting for the Front Door system Add these commands to the init string X7 B1 FCLASS 6 Change the c...

Страница 97: ...Fax Operation 85 String Error Level 1 ZyXEL 100 2 3 The following is a sample setting in the BINKLEY CFG file for a Binkley system Init AT FX7S0 1 B1 FCLASS 6 ExtrnMail ZyXEL errorlevel ...

Страница 98: ...86 Fax Operation ...

Страница 99: ...te current connection attempt when enter in handshaking state Escape sequence code entered in data state wait for modem to return to command state All the Following Commands Require a AT Prefix Command Options Function Description Ref A Go on line in answer mode See also S39 2 S43 6 Bn Handshake option S28 7 B0 Select CCITT V 22 for 1200 bps B1 Select Bell 212A for 1200 bps communication Ds Dial s...

Страница 100: ...Wait for a 5 second silence before proceeding R Reverse handshake go on line in Answer mode S17 5 W Wait for second dial tone Remaining digits will be dialed as in band DTMF DL Repeat last ATD command DSn n 0 49 Dial number stored in non volatile RAM at location n use to dial two consecutive numbers for bundling or MPPP calls S44 3 En Command mode local echo of keyboard commands S23 0 E0 Echo off ...

Страница 101: ...eaker always OFF M1 Speaker ON until call is answered M2 Speaker always ON M3 Speaker ON after the last digit is dialed out and OFF when carrier is detected Nn n 0 7 5 Ring volume control N0 will disable the audio ring function S24 1 3 O Return to on line state O1 Force modem to request a retrain Qn Result code displayed S23 7 Q0 Modem returns result code Q1 Modem does not return result code Q2 Mo...

Страница 102: ... protocol Vn Sets display type for Result Codes S23 6 V0 Display result code in numeric form See also S35 7 and the result code table of ATXn V1 Display result code in verbose form Xn n 0 7 5 Result code options see the Options Table S23 3 5 Zn n 0 4 Reset modem and set power on profile S15 5 7 Zn Reset modem and load user profile n 0 3 Z4 Reset modem and load factory settings Basic command summar...

Страница 103: ...equested 0 FRN Granted 0 FCS Errors 0 Round Trip Delay 0 Xmitter Underrun 0 Receiver Overrun 0 Last Speed Protocol 33600 Disconnect Reason Local hang up Data Type Description Chars Data received from or sent to DTE PC Formatted as 7 E 1 or 7 O 1 or 8 N 1 etc Octets Data received from or sent to remote modem in error control mode Compressed if data compression was enabled Block Framed Octets Delimi...

Страница 104: ...esent you may have experienced line trouble or protocol incompatibility Max Outstanding Maximum blocks received without acknowledgment by remote modem Max Block Size Maximum octets contain in a block Retrains Requested The number of times local modem requested retrain Link Duration Total link duration time in minutes Retrains Granted The number of times remote modem requested retrain T401 Time out...

Страница 105: ...ak Time out DTR Dropped Carrier Lost 1 No handshaking response Security check ATH command D V hang up Carrier Lost 2 Remote hang up busy tone Keyboard Abort Inactivity Extended AT Command Set Command Options Function Description Ref Bn Data rate terminal to modem DTE DCE S28 6 B0 DTE rate follows connection rate See also S44 6 B1 DTE DCE rate fixed at DTE setting See also S18 S20 and S44 6 Cn Carr...

Страница 106: ...odem to hang up D3 Same as D2 but DTR OFF causes the modem to hang up and reset from profile 0 F Load factory settings to RAM as active configuration Gn Guard tone options S28 4 5 G0 No guard tone within USA Canada G2 1800 Hz guard tone Hn Data flow control DTE DCE S27 3 5 H0 Flow control disabled H3 Hardware CTS RTS flow control H4 Software XON XOFF flow control Jn Type of Phone line S28 0 J0 Sin...

Страница 107: ...Synchronous asynchronous mode selection S14 6 7 M0 Asynchronous mode with data buffering M1 Asynchronous command synchronous data M2 Direct asynchronous mode no data buffering M3 Synchronous mode Nn Modem link mode options DCE DCE See also S43 7 S48 1 S19 N0 Multi Auto auto negotiate highest possible link rate V 34 ZyX 19200 ZyX16800 V 32bis V 32 V 22bis V 22 and Bell 212A G3 Fax V 17 V 29 V 27ter...

Страница 108: ...y N8 V 29 4800 models with 4 wire leased lines only N9 V 27bis 4800 models with 4 wire leased lines only N10 V 27bis 2400 models with 4 wire leased lines only N11 V 26bis 2400 models with 4 wire leased lines only N12 V 23 1200 75 See also S48b3 S52b7 N13 V 23 600 75 See also S52b7 N14 V 22bis 2400 1200 N15 V 22 1200 N16 V 21 300 N17 V 32bis 14400 12000 9600 7200 4800 N18 V 32bis 12000 9600 7200 48...

Страница 109: ...14400 N43 CELL 12000 N44 CELL 9600 N45 CELL 7200 N46 CELL 4800T N60 V 34 33600 N61 V 34 31200 N62 V 34 28800 N63 V 34 26400 N64 V 34 24000 N65 V 34 21600 N66 V 34 19200 N67 V 34 16800 N68 V 34 14400 N69 V 34 12000 N70 V 34 9600 N71 V 34 7200 N72 V 34 4800 N73 V 34 2400 Pn Pulse dial make break ratio S23 2 P0 make break 39 61 P1 make break 33 67 Rn RTS Request To Send function selection S21 5 ...

Страница 110: ...testing S16 T0 Terminate test in progress T1 Initiate Analog Loop back ALB test T3 Initiate Local Digital Loop back LDL test T4 Grant Remote Digital Loop back request from remote modem S14 1 T5 Deny Remote Digital Loop back request from remote modem S14 1 T6 Initiate Remote Digital Loop back RDL test T7 Initiate Remote Digital Loop back with self test RDL ST T8 Initiate Analog Loop back with self ...

Страница 111: ...rovides synchronous transmit clock signal External clock from pin 24 of EIA 232D X2 Received carrier provides synchronous transmit clock signal Remote or Slave clock to pin 15 of EIA 232D Yn Break handling Destructive Break clears the buffer Expedited Break is sent immediately to the remote system For internal modem only S28 2 3 Y0 Destructive expedited Y1 Nondestructive expedited Y2 Nondestructiv...

Страница 112: ... default dial pointer at telephone directory location n S29 D0 See also S35 4 and S38 0 En Modem error control negotiation S21 0 E0 if error control negotiation fails keep the non error control connection E1 If error control negotiation fails disconnect the call hang up Fn Remote configuration enable S36 0 F0 Deny remote configuration F1 Accept remote configuration Remote Digital Loop back must be...

Страница 113: ...e call back number Hn n 0 49 Modify user password table at location n HS Modify supervisory password Default ZyXEL In Command set selection S17 6 7 I0 AT command set I1 V 25bis command set I2 Dumb mode Mn Leased line auto handshake mode selection S14 0 M0 Set to Originate mode M1 Set to Answer mode Pn n 0 15 P9 Set leased line transmission power level ranges from 0 dBm to 15 dBm default 9 dBm see ...

Страница 114: ...ve configuration b 5 Remote factory default configuration Sn Secondary channel options S0 Secondary channel disabled S1 Secondary channel enabled T Recall the last CND Caller ID information S40 2 V View the Password table Wab Write local configuration profile a to remote user profile b and reset remote modem from profile b S36 1 a 0 3 Local user profile number a S37 4 7 a 4 Local active configurat...

Страница 115: ...AT Command Set Summaries 103 ...

Страница 116: ...mand Function Description Ref S0 Set the number of rings on which the modem will answer 0 value disable auto answer 000 S1 Counts and stores number of rings from an incoming call 000 S2 Define escape code character default 43 dec A value of 128 255 disables the escape code 043 S3 Define ASCII Carriage Return 013 S4 Define ASCII Line Feed 010 S5 Define ASCII Backspace A value of 128 255 disables th...

Страница 117: ...ote carrier signal before recognition Ignored if in non FSK or half duplex operation 006 S10 Set duration in tenths of a second modem waits after loss of carrier before hanging up 007 S11 Set duration and spacing in milliseconds of dialed Touch Tones 070 Extended S Registers ATSn x Command bit dec hex Function and description Ref S13 bit dec hex Bit mapped register 000 1 2 2 Capture modem manufact...

Страница 118: ...mote clock X2 7 6 0 0 Asynchronous data with buffering Default M0 64 40 Asynchronous command synchronous data M1 128 80 Direct asynchronous no data buffering M2 192 C0 Synchronous M3 S15 bit dec hex Bit mapped register 130 0 1 0 0 Even parity 1 1 Odd parity 2 2 No parity 2 0 0 1 stop bit 4 4 2 stop bits 4 3 0 0 10 bit character length C0 8 8 11 bit character length C1 16 10 9 bit character length ...

Страница 119: ...rocess T3 6 6 Remote Digital Loop back test in process T6 7 7 Remote Digital Loop back with self test in process T7 8 8 Analog Loop back with self test in progress T8 S17 bit dec hex Bit mapped register 018 0 0 0 Disable secondary channel default S0 4 1 0 30 0 1E Set leased line transmit power level from 0 to 15 dBm See also S35b3 Default P9 Pn 5 0 0 Normal dial Default D 32 20 Reverse dial go on ...

Страница 120: ...ion mode same 000 Nn 0 73 0 49 setting value as AT Nn command S20 dec hex DTE speed bps Auto detected from AT Command 003 0 0 230400 bps 1 1 115200 bps Default 2 2 76800 bps 3 3 57600 bps 4 4 38400 bps 5 5 19200 bps 6 6 16800 bps 7 7 14400 bps 8 8 12000 bps 9 9 9600 bps 10 A 7200 bps 11 B 4800 bps 12 C 2400 bps 13 D 1200 bps 14 E 460800 bps 15 F 300 bps 16 10 307200 bps 17 11 153600 bps 18 12 1024...

Страница 121: ...l connection when modem error control handshake fails E0 1 1 Drop connection when modem error control handshake fails E1 1 2 0 0 Speaker always OFF M0 2 2 Speaker ON until carrier is detected default M1 4 4 Speaker always ON M2 6 6 Speaker ON after last digit is dialed out until carrier detected M3 3 0 0 DSR always ON S0 8 8 According to CCITT see also S44 4 S41 5 S1 4 0 0 CD always ON C0 16 10 CD...

Страница 122: ...08 2 DTR OFF causes the modem to hang up and reset the modem to profile 0 after DTR dropped D3 S23 bit dec hex Bit mapped register 105 0 0 0 Command echo disabled E0 1 1 Command echo enabled E1 1 0 0 Tone dial Default T 2 2 Tone dial P 2 0 0 Pulse dial make break ratio 39 61 P0 4 4 Pulse dial make break ratio 33 67 Default P1 3 5 0 0 ATX0 See result code table X0 8 8 ATX1 X1 16 10 ATX2 X2 24 18 AT...

Страница 123: ...lume control increment of 2 in decimal value N0 7 6 4 16 112 10 70 Speaker volume control increments of 32 in decimal value L0 7 S25 0 255 0 FF Specify the time delay that DTR signal needs to be OFF before it will be recognized in 10 ms units If S25 0 the delay time is set to 4 ms 000 S26 dec hex RTS CTS delay 000 0 255 0 FF Set the delay in 10 millisecond units between the RTS and modem s CTS res...

Страница 124: ...al quality Q0 64 40 Retrain action taken if signal quality Q1 is poor Q1 128 80 Adaptive rate auto fall back forward when signal quality changes Q2 S41 2 192 C0 Disconnect when signal quality is poor Q3 S28 bit dec hex Bit mapped register 068 0 0 0 Single line RJ 11 phone jack default J0 1 1 Multiple phone modem line RJ12 RJ13 phone jack J1 1 0 0 Panel key is normal default Y0 1 2 Panel key is loc...

Страница 125: ... bps communication B1 S29 0 49 0 31 Set default dial phone number pointer use AT Zn s to store phone numbers 000 D S31 0 255 0 FF Holds the ASCII decimal value of the XON 017 S32 0 255 0 FF Holds the ASCII decimal value of the XOFF 019 S35 bit dec hex Bit mapped register 0 1 1 Use CELL 4800T trells coded 4800 for V 32 4800 available with cellular mode only 1 2 2 Disable aborting from terminal duri...

Страница 126: ...d from a hardware reset W0 7 128 80 Enable extended numerical result codes from 50 71 when an error corrected connection is made Use with ATV0 see result code table V0 S23 6 S36 bit dec hex Bit mapped register 000 0 0 0 Deny remote request for configuration Default F0 1 1 Grant remote request for configuration F1 1 0 0 Write from local profile a to remote profile b Wab 2 2 Read from remote profile...

Страница 127: ...7 bit dec hex Bit mapped register for remote configuration using panel menu control 000 3 0 0 5 0 5 Remote profile number Wab 7 4 0 80 0 50 Local profile number Rab S38 bit dec hex Bit mapped register 000 0 1 1 Repeatedly dialing default number Dn S29 3 8 8 DCD ON OFF sequence follows UNIX standard DCD high before connect message is sent DCD off after last DCE response is sent C1 S21 4 4 16 10 Aut...

Страница 128: ...lt code displayed in answer mode Q2 2 4 Enables caller ID detection 3 8 Enables type 1 ring detection 4 16 Enables type 2 ring detection 5 32 Enables type 3 ring detection 6 64 Enables type 4 ring detection S41 bit dec hex Bit mapped register 000 0 1 1 Special MNP compatibility see also S27 0 S38 5 Kn 2 4 4 Disable retrain abort up to 5 min for special satellite line condition S27 6 n 3 8 8 Enable...

Страница 129: ...mode 4 16 10 Disable V 17 14 400 Fax in calling mode no effect to answering mode N32 5 32 20 Disable Data Voice button 6 64 40 Disable RINGING result code Xn 7 128 80 DCD forced on but pulse off for 0 5 seconds at carrier loss C0 S43 bit dec hex Bit mapped register 000 0 1 1 Disable ZyXEL 16800 in Multi Auto mode N0 1 2 2 Disable ZyXEL 19200 in Multi Auto mode N0 2 4 4 Disable cellular mode automa...

Страница 130: ...ade DSn 4 16 10 DSR follows DTR see also S41 5 S1 5 32 20 Enable V 13 half duplex simulation in synchronous mode 6 64 40 When selected with B0 DTE speed fixed at 38400 when the link speed is above 9600 DTE speed fixed at 9600 if link speed is 7200 DTE speed follows link speed When selected with B1 DTE speed fixed at current rate when an ARQ connection is made when a non ARQ connection is made DTE ...

Страница 131: ...nformation to be reported in raw format 1 2 2 Enable DATA ONLY mode Auto detect V 34 ZyX V 32bis V 22bis V 23 V 21 Bell 103 when answering If the connection try fails the modem will continuously recycle the handshaking procedure until the S7 register times out 2 4 4 Enable data calling tone CNG sending 3 8 8 Reverse the V 23 channel speed Originate mode modem speed Send Receive 1200 75 Answer mode...

Страница 132: ...Default 128 80 For cellular mode only Modem is connected to a mobile phone S50 dec hex Inactively timer in 10 second units 000 0 255 0 FF The modem counts when there is no data flow in or out of the RS 232 serial port A connection is disengaged when the counter reaches the preset value Set value 0 to disable this function S51 bit dec hex Bit mapped register 1 0 0 0 Disables EDR 1 1 Reports RING tw...

Страница 133: ...ta CNG tone detection 64 40 Reports RING for data CNG tone 128 80 Reports RING 1 for data CNG tone 192 B2 Reports RING 3 for data CNG tone S52 bit dec hex Bit mapped register 000 4 3 0 24 0 18 Receive level adjustment 0 0 43 dBm Default 8 8 33 dBm 16 10 26 dBm 24 18 26 dBm 7 0 0 Select Mark as the first signal of the V 23 handshaking sequence Default N12 128 80 Select Space as the first signal of ...

Страница 134: ...rce the modem to use the new values of S18 to fix the baud rate when answering 1 1 Force the modem to use the old values of S18 compatible with 1496 series modem to fix the baud rate when answering Bit S register bit number b used in ATSr b n and ATSr b dec Decimal value x used in ATSn x hex Equivalent Hexadecimal value nnn Factory default when listed in Reference column Note AT is omitted when an...

Страница 135: ... 5 CONNECT 1200 6 NO DIAL TONE V V V V V 7 BUSY V V V V V 8 NO ANSWER V V V V V 9 RINGING V V V V V 10 CONNECT 2400 11 CONNECT 4800 12 CONNECT 9600 14 CONNECT 19200 15 CONNECT 7200 16 CONNECT 12000 17 CONNECT 14400 18 CONNECT 16800 19 CONNECT 38400 20 CONNECT 57600 21 CONNECT 76800 22 CONNECT 115200 23 CONNECT 230400 24 CONNECT 460800 25 CONNECT 921600 26 CONNECT 307200 27 CONNECT 153600 28 CONNEC...

Страница 136: ... one type of Distinctive Ring is turned on S40b3 6 RING n will be reported n Ring Type 1 4 Result Code Chart Symbol Reference V Supported Reports the DTE Speed as cr lf CONNECT DTE_Speed cr lf CONNECT DTE_Speed Protocol DCE_Speed Error_Control Example CONNECT 38400 V 32bis 14400 V 42bis cr lf CONNECT DCE_Speed Error_Code cr lf Example CONNECT 14400 ARQ CONNECT DCE _Speed Error_Code Error_Control E...

Страница 137: ... supported Connect Strings for Error Corrected Connections To enable the following numerical ATV0 and verbose ATV1 result codes when an error corrected connection is made set S35 bit 7 to 1 ATS35 7 1 Numerical V0 Verbose V1 Numerical V0 Verbose V1 50 CONNECT 58 CONNECT 16800 51 CONNECT 1200 59 CONNECT 19200 52 CONNECT 2400 60 CONNECT 21600 53 CONNECT 4800 61 CONNECT 24000 54 CONNECT 7200 62 CONNEC...

Страница 138: ...126 Status Registers Result Codes Numerical V0 Verbose V1 Numerical V0 Verbose V1 14400 33600 ...

Страница 139: ...Status Registers Result Codes 127 ...

Страница 140: ... with Self Test The diagnostic tests listed above apply to several modes of operation asynchronous or synchronous error controlled or non error controlled data compression enabled or disabled data mode You can use these capabilities to verify the line condition and the modem s functioning and performance and to locate the source of a communication problem Power On Self Test At each power up or upo...

Страница 141: ...ed This is not a real error 4 DSP RAM FIAL The testing of DSP RAM fails condition A 5 DSP RAM FIAL The testing of DSP RAM fails condition A 6 VO CALIBRATION FAIL Analog circuit calibration error 7 VR CALIBRATION FAIL Analog circuit calibration error 8 FR CALIBRATION FAIL Analog circuit calibration error Resetting The Modem A reset command from the panel will restart the power on self test If an er...

Страница 142: ...r s screen You can tell if anything is wrong by looking at the screen The screen should show the data you have sent to the modem This test can only be initiated while the modem is off line Analog Loopback with Self test AT T8 This test generates data from the modem itself instead of input data from the RS 232 interface The data will go through the same path as it would with the Analog Loopback Tes...

Страница 143: ...e received data back to the local modem The local terminal or computer will receive all of the data it sends out This test is applicable when the remote modem and local modem both provide V 54 Remote Digital Loopback capability This test can be initiated by either modem when the modems are on line Remote Digital Loopback with Self test AT T7 This test generates data from the modem itself instead o...

Страница 144: ...ash on and off for 1 2 second each to indicate that the modem is handshaking or retraining Line Condition Status Display Regarding data being transmitted over telephone line circuits there are many kinds of line impairments that can affect the data being received by the remote modem Your modem can measure four major line impairments From the impairment readings you can understand the current line ...

Страница 145: ...se signal saturation in the channel and degrade the data validity To avoid this situation decrease the transmission power of the remote modem For increased line operability your modem s transmission power level on a leased line operation could be adjusted from 0 dBm to 27 dBm The default value is 9 dBm Phase Jitter PJ This reading is expressed in peak to peak degrees for phase jitter in the 20 to ...

Страница 146: ...nted FG The count of the granting of the remote modem s change rate FRN requests Each request is an indicator of a changed receiving condition FRN Request FR The count of the local modem s requests to change the rate Block Retransmitted BR The count of the blocks retransmitted bad reception on the remote modem FCS Frame Check Sum Errors FE The count of the FCS errors received block errors bad rece...

Страница 147: ...r installed serial device such as a mouse or laser printer Problem Your modem fails to execute AT commands Solutions 1 Make sure the DTR LED is ON If it is OFF make sure your communications software is using the same COM port as your modem 2 You may have omitted the characters AT from the beginning of the command line These characters must appear at the beginning of each command line 3 You may hav...

Страница 148: ...te instead of the command state To switch from data state to command state type the escape sequence code To return to data state type ATO and press Enter Problem You receive the ERROR result code after typing an AT command Solution You may have typed a command that is not recognized by your modem or communications software Command Echo Problems Problem You do not see any typed characters on your c...

Страница 149: ...may not be set up for auto answer With the modem in command state type ATS0 1 and press Enter to have the modem answer on the first incoming ring To auto answer after a specific number of rings replace 1 with a value up to 255 Do not assign a value of 0 which turns off auto answer unless your software can respond to the modem s RING result codes 3 Check that the DTR LED is ON and that the AA LED f...

Страница 150: ...oftware to use pulse dialing Data Transfer Problems Problem You can make a data connection with a remote modem but encounter frequent errors during data transfers Solutions 1 Your modem and communications software may be configured for different flow control methods Be sure your modem and software are both using hardware RTS CTS flow control or software XON XOFF flow control 2 To verify that your ...

Страница 151: ...ype ATI2 and press Enter to view the link status report which will include the reason for the disconnect For information on understanding this report refer to your ZyXEL Modem Reference Manual 2 You may have subscribed to Call Waiting and received an incoming call that interrupted your data connection See your telephone directory for information on disabling Call Waiting ...

Страница 152: ...otocol 5 Type ATUPX 6 Press Enter and wait for the following prompt characters You have chosen XMODEM 128 bytes data with checksum protocol to update your modem Data in Flash ROM will be erased Are you sure Y N 7 Press Y The following message then appears Start programming please upload 8 After the prompt use the XModem protocol to upload the file U336Evv vvv to your modem This step updates the mo...

Страница 153: ...air In the unlikely event that your modem fails to respond to AT commands after upgrading the flash EPROM 1 Turn off the modem 2 Press the menu key button on the front panel while turning on the modem then release the button after 5 seconds 3 A Kernel Program responsible for the update process takes control of the modem It accepts a limited set of AT commands including the ATUPX command Repeat ste...

Страница 154: ...ne System Your modem also features a leased line jack This jack is an 8 pin JM8 type jack The signals on its pins are 1 Transmit Signal R1 2 Transmit Signal T1 3 not connected 4 not connected 5 not connected 6 not connected 7 Receive Signal T 8 Receive Signal R A 4 wire leased line connection uses pins 1 and 2 for transmission and pins 7 and 8 for reception 2 wire leased line connections use pins ...

Страница 155: ...s do not conform to RJ 45 PC Serial Port Pinouts Signal Pin ITU TSS Signal Name EIA Signal Name Pin Signal Description Direction DTE DCE 1 101 AA Protective Ground GND 2 103 BA Transmitted Data TXD 3 104 BB Received Data RXD 4 105 CA Request To Send RTS 5 106 CB Clear To Send CTS 6 107 CC Data Set Ready DSR 7 102 AB Signal Ground GND 8 109 CF Data Carrier Detected DCD 15 114 DB Transmit Clock Sign...

Страница 156: ...DA Transmit Clock Signal source DTE 25 142 Test Indicator Macintosh Serial Port Pinouts The following table shows the wiring of a modem Macintosh hardware handshaking cable Mac Din 8 Modem DB 25 Description 1 4 20 DTR to RTS and DTR Hardware Handshaking Out 2 5 CTS to CTS Hardware Handshaking In 3 2 TX to TXD Data sent 4 7 GND Ground 5 3 RX to RXD Data received 6 not connected 7 8 GPI to CD Carrie...

Страница 157: ...Connector Pinouts 145 ...

Страница 158: ... Command sets 63 79 Flow Control 83 Fax Compatibility 5 Fax Operation Basics 61 ITU T T 30 fax protocol 62 Using Modem as Fax 62 Fax Reception from a BBS 84 Fax Standards 63 Features 3 Flash EPROM 4 90 141 Upgrading 141 Handshaking 133 145 Hyper Terminal 14 17 Idle Screen state 27 Indicator Lights 133 Kernel Recovery 142 LCD display 3 7 10 27 31 33 35 Leased Line Handshaking 44 Auto 44 Manual Conn...

Страница 159: ...9 20 61 79 83 115 126 137 138 RTS options 40 Saving Settings 22 Security 4 47 48 49 100 101 116 Functions 47 Levels 47 User Passwords 48 SMARTDRV 23 S register 20 21 38 42 46 55 57 90 105 124 Storing a Number 31 Synchronous operation 38 Auto Answer 42 Technical Specifications 5 Testing your modem 17 Timing clock 39 Trouble Shooting Answer Problems 138 AT Command Set Problems 136 Command Echo Probl...

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