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Contents ZyXEL Limited Warranty ii FCC Part 15 Information iii Information for Canadian Users iv Contacting ZyXEL vi 1 Introduction 1 Required Equipment 1 Modem Features 2 Standard Features 2 Intelligent Features 3 Fax Compatibility 4 Technical Specifications 4 2 Installation 7 Front Panel 7 Front Panel LEDs 8 Front Panel Switches 9 Rear Panel Markings 9 Modem Connection 10 Powering Up 12 3 Basic Modem Operation 13 Understanding AT Commands 13 Using the Windows 95 Hyper Terminal Program 14 Dialing and Answering Techniques 15 Dialing using the ATD Command 15 ix
Contents ZyXEL Limited Warranty ii FCC Part 15 Information iii Information for Canadian Users iv Contacting ZyXEL vi 1 Introduction 1 Required Equipment 1 Modem Features 2 Standard Features 2 Intelligent Features 3 Fax Compatibility 4 Technical Specifications 4 2 Installation 7 Front Panel 7 Front Panel LEDs 8 Front Panel Switches 9 Rear Panel Markings 9 Modem Connection 10 Powering Up 12 3 Basic Modem Operation 13 Understanding AT Commands 13 Using the Windows 95 Hyper Terminal Program 14 Dialing and Answering Techniques 15 Dialing using the ATD Command 15 ix
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... 20 Storing Phone Numbers 21 Dialing Stored Phone Numbers 21 Saving Settings and User Profiles 21 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 ...
... 20 Storing Phone Numbers 21 Dialing Stored Phone Numbers 21 Saving Settings and User Profiles 21 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 ...
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Extended Distinctive Ring (EDR) 59 Setting Up EDR 60 EDR Application Example 61 7 Fax Operation 64 Fax Basics 64 Modem as Fax Machine 65 ITU-T T.30 Fax Protocol 65 Fax Command sets 66 Defining the Fax Command Sets 66 Class 1 Command Set 67 Class 2 Command ...
Extended Distinctive Ring (EDR) 59 Setting Up EDR 60 EDR Application Example 61 7 Fax Operation 64 Fax Basics 64 Modem as Fax Machine 65 ITU-T T.30 Fax Protocol 65 Fax Command sets 66 Defining the Fax Command Sets 66 Class 1 Command Set 67 Class 2 Command ...
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Connect Strings for Error Corrected Connections 127 10 Diagnostics & Troubleshooting 128 Diagnostics 128 Power-On Self Test 128 Resetting The Modem 129 Loopback Tests 130 Indicator Lights 132 Line Condition Status Display 132 Trouble Shooting 135 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 142 Macintosh...
Connect Strings for Error Corrected Connections 127 10 Diagnostics & Troubleshooting 128 Diagnostics 128 Power-On Self Test 128 Resetting The Modem 129 Loopback Tests 130 Indicator Lights 132 Line Condition Status Display 132 Trouble Shooting 135 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 142 Macintosh...
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...User's Guide describes the use of your U-336S/SA modem - If you do not find information on the purchase of both the models except for different input terminal. Other means of ZyXEL's premier high-performance products. The U-336S modem requires an AC power adapter whereas the U-...336SA can be directly connected to both U-336S and U-336SA models and gives instructions for their installation and operation....
...User's Guide describes the use of your U-336S/SA modem - If you do not find information on the purchase of both the models except for different input terminal. Other means of ZyXEL's premier high-performance products. The U-336S modem requires an AC power adapter whereas the U-...336SA can be directly connected to both U-336S and U-336SA models and gives instructions for their installation and operation....
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... MNP 5 data compression. • DTE serial interface with an array of standard and ZyXEL-famous Intelligent features designed to 460.8Kbps. • 20 x 2 LCD display. • 10 LED indicators. 2 Introduction • One AC power adapter (external model) for U336S modem only. • Available AC wall outlet. • Telephone line from your data...
... MNP 5 data compression. • DTE serial interface with an array of standard and ZyXEL-famous Intelligent features designed to 460.8Kbps. • 20 x 2 LCD display. • 10 LED indicators. 2 Introduction • One AC power adapter (external model) for U336S modem only. • Available AC wall outlet. • Telephone line from your data...
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...reliable serial data communication. • Fast retrain with automatic fall-forward and fall back to lower speeds when communicating with slower modems and when encountering unstable or variable line conditions. • Call-back security and password protection restricts access to authorized callers only....lets you easily upload new firmware, providing you with V.25bis. • Operates on 2-wire dial-up or 2-wire leased line. Your modem will automatically fall -back. • Extended AT command set with easy access to identify callers). • Distinctive ring detects data and voice...
...reliable serial data communication. • Fast retrain with automatic fall-forward and fall back to lower speeds when communicating with slower modems and when encountering unstable or variable line conditions. • Call-back security and password protection restricts access to authorized callers only....lets you easily upload new firmware, providing you with V.25bis. • Operates on 2-wire dial-up or 2-wire leased line. Your modem will automatically fall -back. • Extended AT command set with easy access to identify callers). • Distinctive ring detects data and voice...
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...20 x 2 LCD display, and four key switches. The following figure shows the front panel of the U-336SA modem. Figure 2-1 Front Panel The next figure shows the front panel of the U-336S. Make sure your ZyXEL modem located on the sides and bottom should not be covered and should allow free movement of the user... ventilation slot of your installation site is the responsibility of air. 2 Installation This chapter describes the panel function and installation procedure for the U-336S/SA. Installation 7 A shielded RS-232 cable is required to provide and use a shielded RS-232 cable.
...20 x 2 LCD display, and four key switches. The following figure shows the front panel of the U-336SA modem. Figure 2-1 Front Panel The next figure shows the front panel of the U-336S. Make sure your ZyXEL modem located on the sides and bottom should not be covered and should allow free movement of the user... ventilation slot of your installation site is the responsibility of air. 2 Installation This chapter describes the panel function and installation procedure for the U-336S/SA. Installation 7 A shielded RS-232 cable is required to provide and use a shielded RS-232 cable.
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...ready for hardware flow control in the Auto Answer Mode; lights up when your modem is turned ON. indicates the signal status of RS232 signal RTS from DTE. ... is used for communication. In error control mode, it is ready to begin communication. TXD Transmit indicator, ON when your modem is in asynchronous data transmission. 8 Installation RTS DTE mode: Request To Send indicator; Figure 2-2 U-336SA Front Panel Front... DTE/computer transmits data on the serial port. It goes out when your modem is in data mode or off-hook. AA Auto-Answer indicator, lights up when your...
...ready for hardware flow control in the Auto Answer Mode; lights up when your modem is turned ON. indicates the signal status of RS232 signal RTS from DTE. ... is used for communication. In error control mode, it is ready to begin communication. TXD Transmit indicator, ON when your modem is in asynchronous data transmission. 8 Installation RTS DTE mode: Request To Send indicator; Figure 2-2 U-336SA Front Panel Front... DTE/computer transmits data on the serial port. It goes out when your modem is in data mode or off-hook. AA Auto-Answer indicator, lights up when your...
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...mode: Clear To Send indicator; It indicates the signal status of menu key operations. lights up when modem can accept data for details of RS232 signal CTS. Rear Panel Markings The U-336S/SA rear panels are shown below . • POWER Installation 9 Refer to Panel Operstion section in ...the Chapter LCD Panel Operation for transmission. Front Panel Switches The four arrow keys are given below : Figure 2-3 U-336S Rear Panel Figure 2-4 U-336SA Rear Panel Explanations of the connectors and switch on the rear panel are for panel operations, allow intuitive menu...
...mode: Clear To Send indicator; It indicates the signal status of menu key operations. lights up when modem can accept data for details of RS232 signal CTS. Rear Panel Markings The U-336S/SA rear panels are shown below . • POWER Installation 9 Refer to Panel Operstion section in ...the Chapter LCD Panel Operation for transmission. Front Panel Switches The four arrow keys are given below : Figure 2-3 U-336S Rear Panel Figure 2-4 U-336SA Rear Panel Explanations of the connectors and switch on the rear panel are for panel operations, allow intuitive menu...
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... Chapter 12 Connector Pinouts. The signal-pin assignments for direct connection to the unit. Power switch, turns the modem ON or OFF. • POWER JACK Input terminal for U-336S model. For U-336SA model you only use your reference. This adapter is supplied with this unit. Use the... supplied AC adapter for power. Modem Connection When you connect your U-336S modem to the serial port of another adapter may not allow your modem as shown in serious damage to an AC power outlet. Use of a DTE (computer/terminal...
... Chapter 12 Connector Pinouts. The signal-pin assignments for direct connection to the unit. Power switch, turns the modem ON or OFF. • POWER JACK Input terminal for U-336S model. For U-336SA model you only use your reference. This adapter is supplied with this unit. Use the... supplied AC adapter for power. Modem Connection When you connect your U-336S modem to the serial port of another adapter may not allow your modem as shown in serious damage to an AC power outlet. Use of a DTE (computer/terminal...
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Figure 2-6 U-336SA Modem Connections If a leased line is not used, simply leave the connection open. Your modem comes factory pre-set and allows you to the AC power outlet. User configurations are no DIP switches or configuration settings that you need an AC adapter. Use the supplied power cord to connect your modem to fully configure the modem from the LCD display. Figure 2-5 U-336S Modem Connections For the U-336SA you don't need to worry about. There are also Installation 11
Figure 2-6 U-336SA Modem Connections If a leased line is not used, simply leave the connection open. Your modem comes factory pre-set and allows you to the AC power outlet. User configurations are no DIP switches or configuration settings that you need an AC adapter. Use the supplied power cord to connect your modem to fully configure the modem from the LCD display. Figure 2-5 U-336S Modem Connections For the U-336SA you don't need to worry about. There are also Installation 11
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... is shown on the LCD panel as needed. For a more detailed description of diagnostic tests will display the current modem settings on the LCD panel. After performing the diagnostic tests, your modem's power switch is now ready for use. Multi-auto V42b DL D R O A 115200 AS Figure 2-7 Idle... TYPE DATA FORMAT DTE RATE ANSWER MODE ORIGINATE MODE REDIAL LAST NUMBER DIALING 12 Installation Powering Up Once your modem will be recalled as often as shown below: Your modem is turned ON, a series of these diagnostic tests, please refer to Chapter 10 Diagnostics & Troubleshooting.
... is shown on the LCD panel as needed. For a more detailed description of diagnostic tests will display the current modem settings on the LCD panel. After performing the diagnostic tests, your modem's power switch is now ready for use. Multi-auto V42b DL D R O A 115200 AS Figure 2-7 Idle... TYPE DATA FORMAT DTE RATE ANSWER MODE ORIGINATE MODE REDIAL LAST NUMBER DIALING 12 Installation Powering Up Once your modem will be recalled as often as shown below: Your modem is turned ON, a series of these diagnostic tests, please refer to Chapter 10 Diagnostics & Troubleshooting.
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... you will need in modem operation. In this is in order for your modem to the remote modem rather than being interpreted by way of communication software, but can only be "on-line" or in "data mode." Understanding AT Commands The U-336S/SA communicates asynchronously with ...the letters AT or at. Command statements must be entered manually by your computer are used to start making connections with your modem. Commands are usually sent to the modem by your modem as commands. AT commands can ...
... you will need in modem operation. In this is in order for your modem to the remote modem rather than being interpreted by way of communication software, but can only be "on-line" or in "data mode." Understanding AT Commands The U-336S/SA communicates asynchronously with ...the letters AT or at. Command statements must be entered manually by your computer are used to start making connections with your modem. Commands are usually sent to the modem by your modem as commands. AT commands can ...
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... line, open the Windows 95 "Accessories" program group, and open the Hyper Terminal Program. simply choose the COM port your modem is connected to your modem is connected to run a communication program such as the Microsoft Windows "Hyper Terminal" program. The program will prompt you will ...finished. A new connection icon will be as "customize" the settings of your Hyper Terminal folder. 14 Basic Modem Operation Next, you for a name and Icon to use for your modem should be prompted for your new connection. Type the name Test Connection and press . The settings used for...
... line, open the Windows 95 "Accessories" program group, and open the Hyper Terminal Program. simply choose the COM port your modem is connected to your modem is connected to run a communication program such as the Microsoft Windows "Hyper Terminal" program. The program will prompt you will ...finished. A new connection icon will be as "customize" the settings of your Hyper Terminal folder. 14 Basic Modem Operation Next, you for a name and Icon to use for your modem should be prompted for your new connection. Type the name Test Connection and press . The settings used for...
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... this command is only used for dialing and answering operations. Dialing and Answering Techniques Depending on what communications software you use to make modem connections, you will pick up the phone line, and try to each function are communicating correctly. The command characters specific to communicate. ...test the telephone line connection issue the manual answer command. To abort the operation, press any key, or select "Disconnect" from another modem, thus the high pitched tone you may not have as much control of the AT commands used to start entering AT commands. Dialing ...
... this command is only used for dialing and answering operations. Dialing and Answering Techniques Depending on what communications software you use to make modem connections, you will pick up the phone line, and try to each function are communicating correctly. The command characters specific to communicate. ...test the telephone line connection issue the manual answer command. To abort the operation, press any key, or select "Disconnect" from another modem, thus the high pitched tone you may not have as much control of the AT commands used to start entering AT commands. Dialing ...
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... O NOTE: O NOTE: Tone and Pulse Dialing: ATDP 555 1212 WT 24 Dialing Through a PBX: ATDT 9 W 555 1212 THE 'W' IN THE DIAL STRING WILL CAUSE THE MODEM TO WAIT FOR A SECOND DIAL TONE BEFORE IT CONTINUES TO DIAL. Dialing Without Waiting for Dial Tone: ATX0D, 555 1212 Originating a call using an Answer... Hook Controls Enabling Auto-Answer: ATS0=n 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. Pausing During Dialing: ATDT 9,,555 1212 THE PAUSE TIME FOR EACH COMMA IS DEFINED BY S REGISTER S8.
... O NOTE: O NOTE: Tone and Pulse Dialing: ATDP 555 1212 WT 24 Dialing Through a PBX: ATDT 9 W 555 1212 THE 'W' IN THE DIAL STRING WILL CAUSE THE MODEM TO WAIT FOR A SECOND DIAL TONE BEFORE IT CONTINUES TO DIAL. Dialing Without Waiting for Dial Tone: ATX0D, 555 1212 Originating a call using an Answer... Hook Controls Enabling Auto-Answer: ATS0=n 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. Pausing During Dialing: ATDT 9,,555 1212 THE PAUSE TIME FOR EACH COMMA IS DEFINED BY S REGISTER S8.
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... follows. To eliminate the double characters, turn off . "OK"), and "numerical" result codes (i.e. You can be combined into one line AT&D2&N0. • Your modem processes commands from left if they are trying to accomplish tasks or set modes that appears to the right might over-write the command to... Description Select numerical result code. The AT command that cannot coexist. • If you see no characters in your terminal window when you type, your modem and software both "verbose" result codes (i.e. For example, AT&D2 and AT&N0 can use the ATV command to set to right.
... follows. To eliminate the double characters, turn off . "OK"), and "numerical" result codes (i.e. You can be combined into one line AT&D2&N0. • Your modem processes commands from left if they are trying to accomplish tasks or set modes that appears to the right might over-write the command to... Description Select numerical result code. The AT command that cannot coexist. • If you see no characters in your terminal window when you type, your modem and software both "verbose" result codes (i.e. For example, AT&D2 and AT&N0 can use the ATV command to set to right.
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... up to 1) S-Register inquiry command Example ATB0 AT$ AT&N0 AT*I1 AT+FCLASS=2 ATS0=1 ATS13.1=1 ATS0? Escape code sequence. The U-336S/SA supports several groups of available commands for each command set by using the on line help commands: AT$, AT*$, AT&$, and ATS$. Terminates... Further detail on AT commands will be covered in Data Mode. These are a few basic commands that pertain to Command Mode. Entered while the modem is in the chapters that do not require the "AT" command prefix. There are as follows: Command A/ A> +++ Description Repeats the last issued...
... up to 1) S-Register inquiry command Example ATB0 AT$ AT&N0 AT*I1 AT+FCLASS=2 ATS0=1 ATS13.1=1 ATS0? Escape code sequence. The U-336S/SA supports several groups of available commands for each command set by using the on line help commands: AT$, AT*$, AT&$, and ATS$. Terminates... Further detail on AT commands will be covered in Data Mode. These are a few basic commands that pertain to Command Mode. Entered while the modem is in the chapters that do not require the "AT" command prefix. There are as follows: Command A/ A> +++ Description Repeats the last issued...
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... Sregister. The result code options will be covered more thoroughly in later chapters. If you choose which set of eight result code sets. The U-336S/SA also provides result codes that determine the modem's operating characteristics. The ATXn command lets you receive an ERROR code, it means the command was executed. Basic...
... Sregister. The result code options will be covered more thoroughly in later chapters. If you choose which set of eight result code sets. The U-336S/SA also provides result codes that determine the modem's operating characteristics. The ATXn command lets you receive an ERROR code, it means the command was executed. Basic...