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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 Unpacking Your Modem 1 Enclosed Equipment 1 Required Equipment 2 Becoming a Registered Owner 2 Modem Features 3 Standard Features 3 Intelligent Features 3 Fax Compatibility 4 Technical Specifications 5 2 Installation 7 Front Panel 7 Front Panel LEDs 7 Front Panel Switches 9 Rear Panel Markings 9 Modem Connection 10 Powering Up 11 3 Basic Modem Operation 13 Understanding AT Commands 13 Using the Windows 95 Hyper Terminal Program 13 viii
Contents ZyXEL Limited Warranty ii FCC Part 15 Information iii Information for Canadian Users iv Contacting ZyXEL vi 1 Introduction 1 Unpacking Your Modem 1 Enclosed Equipment 1 Required Equipment 2 Becoming a Registered Owner 2 Modem Features 3 Standard Features 3 Intelligent Features 3 Fax Compatibility 4 Technical Specifications 5 2 Installation 7 Front Panel 7 Front Panel LEDs 7 Front Panel Switches 9 Rear Panel Markings 9 Modem Connection 10 Powering Up 11 3 Basic Modem Operation 13 Understanding AT Commands 13 Using the Windows 95 Hyper Terminal Program 13 viii
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... 21 Storing Phone Numbers 21 Dialing Stored Phone Numbers 21 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 24 Helpful Hints for Mac Computers 24 Special AT Command Settings for Mac 24 Mac Serial Port 24 Mac Software... Tips 25 Helpful Hints for UNIX-Based Computers 25 Serial Cable 25 Basic Modem Settings for UNIX 26 Unix Software Tips 26 4 Leased Line ...
... 21 Storing Phone Numbers 21 Dialing Stored Phone Numbers 21 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 24 Helpful Hints for Mac Computers 24 Special AT Command Settings for Mac 24 Mac Serial Port 24 Mac Software... Tips 25 Helpful Hints for UNIX-Based Computers 25 Serial Cable 25 Basic Modem Settings for UNIX 26 Unix Software Tips 26 4 Leased Line ...
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... (Caller ID) 35 Distinctive Ring 38 Extended Distinctive Ring (EDR) 40 Setting Up EDR 41 EDR Application Example 42 6 Fax Operation 45 Fax Basics 45 Modem as Fax Machine 46 ITU-T T.30 Fax Protocol 46 Fax Command sets 47 Defining the Fax Command Sets 47 Class 1 Command Set 48 Class 2 Command...
... (Caller ID) 35 Distinctive Ring 38 Extended Distinctive Ring (EDR) 40 Setting Up EDR 41 EDR Application Example 42 6 Fax Operation 45 Fax Basics 45 Modem as Fax Machine 46 ITU-T T.30 Fax Protocol 46 Fax Command sets 47 Defining the Fax Command Sets 47 Class 1 Command Set 48 Class 2 Command...
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... Descriptions 105 Connect Strings for Error Corrected Connections 105 9 Diagnostics & Troubleshooting 107 Diagnostics 107 Power-On Self Test 107 Resetting The Modem 108 Loopback Tests 109 Indicator Lights 110 Line Condition Status Display 111 Trouble Shooting 113 AT Command Set Problems 113 Command Echo Problems ...115 Answer Problems 115 Dialing Problems 116 Data Transfer Problems 117 Connection Problems 117 10 Upgrading Your Modem 118 Upgrading by Flash EPROM 118 Kernel Recovery Mode 119 11 Connector Pinouts 120 Phone Jack Pinouts 120 PC Serial Port Pinouts ...
... Descriptions 105 Connect Strings for Error Corrected Connections 105 9 Diagnostics & Troubleshooting 107 Diagnostics 107 Power-On Self Test 107 Resetting The Modem 108 Loopback Tests 109 Indicator Lights 110 Line Condition Status Display 111 Trouble Shooting 113 AT Command Set Problems 113 Command Echo Problems ...115 Answer Problems 115 Dialing Problems 116 Data Transfer Problems 117 Connection Problems 117 10 Upgrading Your Modem 118 Upgrading by Flash EPROM 118 Kernel Recovery Mode 119 11 Connector Pinouts 120 Phone Jack Pinouts 120 PC Serial Port Pinouts ...
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one of your User's Manual, please call ZyXEL Technical Support at 714-693-0808. The U-336E modem is missing. 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... high speeds and clear, quality connections while communicating around the globe. Other means of contacting ZyXEL are listed in your U-336E modem - Introduction 1 The complete package should include: • One U-336E universal modem. • One AC power adapter (external model). • One RJ-11 modular telephone...
one of your User's Manual, please call ZyXEL Technical Support at 714-693-0808. The U-336E modem is missing. 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... high speeds and clear, quality connections while communicating around the globe. Other means of contacting ZyXEL are listed in your U-336E modem - Introduction 1 The complete package should include: • One U-336E universal modem. • One AC power adapter (external model). • One RJ-11 modular telephone...
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... ZyXEL modem you just purchased, you must have the following equipment to your telephone company (dial-up or leased line). • Data and fax communication software. Becoming a Registered Owner Complete the pre-addressed Warranty Registration Card and place it in the mail. Check the modem... damages. Registered owners will receive future product information and update announcements. Warranty registration is missing. If you bought the modem if anything is 2 Introduction Contact your dealer or the store where you find any additional questions about damaged or missing materials ...
... ZyXEL modem you just purchased, you must have the following equipment to your telephone company (dial-up or leased line). • Data and fax communication software. Becoming a Registered Owner Complete the pre-addressed Warranty Registration Card and place it in the mail. Check the modem... damages. Registered owners will receive future product information and update announcements. Warranty registration is missing. If you bought the modem if anything is 2 Introduction Contact your dealer or the store where you find any additional questions about damaged or missing materials ...
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Save your dated invoice as proof of standard and ZyXEL-famous Intelligent features designed to make your data communications faster, easier, and more convenient. Standard Features • Ultra-high speed modem supports V.34bis for 33,600bps and is equipped with V.25bis. • Operates on 2-wire dial-... of calls. Intelligent Features • Automatic data and voice call detection allows you so much for product repair/or replacement. Modem Features No other 33.6 Kbps modem gives you to use a single telephone line to 460.8Kbps. • 12 LED indicators. • Extended AT command...
Save your dated invoice as proof of standard and ZyXEL-famous Intelligent features designed to make your data communications faster, easier, and more convenient. Standard Features • Ultra-high speed modem supports V.34bis for 33,600bps and is equipped with V.25bis. • Operates on 2-wire dial-... of calls. Intelligent Features • Automatic data and voice call detection allows you so much for product repair/or replacement. Modem Features No other 33.6 Kbps modem gives you to use a single telephone line to 460.8Kbps. • 12 LED indicators. • Extended AT command...
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...; 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 and voice calls (this feature requires communication software that supports distinctive ring, such.... Fax Compatibility • EIA Class 1, 2, and 2.0 Fax commands. • ITU-T V.17 G3: up to new features. • ZyXEL exclusive Kernel Recovery Mode for no factory repairs. • Asynchronous and synchronous modes for reliable serial data communication. • Fast retrain with easy ...
...; 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 and voice calls (this feature requires communication software that supports distinctive ring, such.... Fax Compatibility • EIA Class 1, 2, and 2.0 Fax commands. • ITU-T V.17 G3: up to new features. • ZyXEL exclusive Kernel Recovery Mode for no factory repairs. • Asynchronous and synchronous modes for reliable serial data communication. • Fast retrain with easy ...
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... and well ventilated. 2 Installation This chapter describes the panel function and installation procedure for the U-336E. Figure 2-1 Front Panel Front Panel LEDs V34 V.34 mode indicator, lights up when your modem is operating in Handshaking State. There are 10 LED indicators, a 20 x 2 LCD display,... and four key switches. Installation 7 Front Panel Figure 2-1 shows the front panel of air. Make sure your ZyXEL modem located on the sides and bottom ...
... and well ventilated. 2 Installation This chapter describes the panel function and installation procedure for the U-336E. Figure 2-1 Front Panel Front Panel LEDs V34 V.34 mode indicator, lights up when your modem is operating in Handshaking State. There are 10 LED indicators, a 20 x 2 LCD display,... and four key switches. Installation 7 Front Panel Figure 2-1 shows the front panel of air. Make sure your ZyXEL modem located on the sides and bottom ...
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... quality is good, flashes when signal quality is marginal, and flashes during power up to begin communication. OH Off-Hook indicator, lights up when your modem is in data mode or off-hook. CTS DTE mode: Clear To Send indicator; indicates the signal status of RS232 signal CTS. It goes out... when your modem is in asynchronous data transmission. DSR DTE mode: Data Set Ready Indicator, lights up when the modem is used for hardware flow control in talk mode or on-hook. RTS DTE mode: Request To...
... quality is good, flashes when signal quality is marginal, and flashes during power up to begin communication. OH Off-Hook indicator, lights up when your modem is in data mode or off-hook. CTS DTE mode: Clear To Send indicator; indicates the signal status of RS232 signal CTS. It goes out... when your modem is in asynchronous data transmission. DSR DTE mode: Data Set Ready Indicator, lights up when the modem is used for hardware flow control in talk mode or on-hook. RTS DTE mode: Request To...
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Rear Panel Markings The U-336E rear panel is shown below: Figure 2-2 Rear Panel The following explains the connectors and switch on the rear panel. • POWER Power switch, turns the modem ON or OFF. • POWER JACK Input terminal for power adapter. • LINE Dial-up line RJ-11 terminal jack, for connection... to a 2-wire dial-up or 2-wire leased line. • PHONE RJ-11 terminal jack, for connection to the line). D/V Toggles the modem on-line (off-hook, DATA mode) or offline (on -line. Installation 9 Front Panel Switches A/O Determines if the...
Rear Panel Markings The U-336E rear panel is shown below: Figure 2-2 Rear Panel The following explains the connectors and switch on the rear panel. • POWER Power switch, turns the modem ON or OFF. • POWER JACK Input terminal for power adapter. • LINE Dial-up line RJ-11 terminal jack, for connection... to a 2-wire dial-up or 2-wire leased line. • PHONE RJ-11 terminal jack, for connection to the line). D/V Toggles the modem on-line (off-hook, DATA mode) or offline (on -line. Installation 9 Front Panel Switches A/O Determines if the...
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... result in serious damage to the power line, make sure you only use the power adapter that you connect your modem as needed. 10 Installation Modem Connection When you need to the serial port of another adapter may not allow your reference. To Dial-Up or ...nonvolatile memories and can be recalled as often as shown in Chapter 11 Connector Pinouts. User configurations are also listed in Figure 2-3 Modem Connections. Connect your modem to the unit. • EIA-232D Serial port DB25S connector, for connection to worry about. This adapter is supplied with this...
... result in serious damage to the power line, make sure you only use the power adapter that you connect your modem as needed. 10 Installation Modem Connection When you need to the serial port of another adapter may not allow your reference. To Dial-Up or ...nonvolatile memories and can be recalled as often as shown in Chapter 11 Connector Pinouts. User configurations are also listed in Figure 2-3 Modem Connections. Connect your modem to the unit. • EIA-232D Serial port DB25S connector, for connection to worry about. This adapter is supplied with this...
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Installation 11 After performing the diagnostic tests, your modem's power switch is ready for use. Powering Up Once your modem is turned ON, a series of these diagnostic tests, please refer to Chapter 9 Diagnostics & Troubleshooting. For a more detailed description of diagnostic tests will be performed.
Installation 11 After performing the diagnostic tests, your modem's power switch is ready for use. Powering Up Once your modem is turned ON, a series of these diagnostic tests, please refer to Chapter 9 Diagnostics & Troubleshooting. For a more detailed description of diagnostic tests will be performed.
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...AT Commands The U-336E communicates asynchronously with the letters AT or at. AT commands are used to the remote modem rather than being interpreted by the user with communication software, and to run a communication program such as commands. Command statements must be issued when your modem is then followed by... Using the Windows 95 Hyper Terminal Program In order to issue an AT command statement, you will need to start making connections with another modem it is the only information you first need in "data mode." It is in "command mode" or "off-line." Commands are transmitted...
...AT Commands The U-336E communicates asynchronously with the letters AT or at. AT commands are used to the remote modem rather than being interpreted by the user with communication software, and to run a communication program such as commands. Command statements must be issued when your modem is then followed by... Using the Windows 95 Hyper Terminal Program In order to issue an AT command statement, you will need to start making connections with another modem it is the only information you first need in "data mode." It is in "command mode" or "off-line." Commands are transmitted...
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... Bits per second: Data bits: Parity: Stop bits: Flow Control: 57600 8 None 1 Hardware Click "OK" when finished. You are now ready to your modem is connected to start entering AT commands. Next, you for a name and Icon to use for country information, area code and phone number, and the... be added to make the connection. A new connection icon will be as "customize" the settings of your modem, or store commonly used for your modem should be prompted for your modem is connected to manually enter AT commands so you have done this test purpose, do such things as follows....
... Bits per second: Data bits: Parity: Stop bits: Flow Control: 57600 8 None 1 Hardware Click "OK" when finished. You are now ready to your modem is connected to start entering AT commands. Next, you for a name and Icon to use for country information, area code and phone number, and the... be added to make the connection. A new connection icon will be as "customize" the settings of your modem, or store commonly used for your modem should be prompted for your modem is connected to manually enter AT commands so you have done this test purpose, do such things as follows....
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... select "Disconnect" from the speaker. The command characters specific to communicate. Type: ATA Your modem will hear from the "Call" menu. This section shows some useful examples of how the modem dials the telephone number. Dialing and Answering Techniques Depending on what communications software you use to ...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. Normally, this command is only used for dialing and answering operations. Your...
... select "Disconnect" from the speaker. The command characters specific to communicate. Type: ATA Your modem will hear from the "Call" menu. This section shows some useful examples of how the modem dials the telephone number. Dialing and Answering Techniques Depending on what communications software you use to ...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. Normally, this command is only used for dialing and answering operations. Your...
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... 555 1212 Transferring a Call (using a different terminal program, run the program according to dial the ZyXEL BBS. If you created in the Hyper Terminal program to the instructions provided with it. 16 Basic Modem Operation DEFAULT IS 2 SECONDS PER COMMA. Disabling Auto-Answer: ATS0=0 Manually Answering a Call: ATA ...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. ONOTE: ONOTE: Pausing During Dialing: ATDT 9,,555 1212 THE PAUSE TIME FOR EACH COMMA IS DEFINED BY S REGISTER S8....
... 555 1212 Transferring a Call (using a different terminal program, run the program according to dial the ZyXEL BBS. If you created in the Hyper Terminal program to the instructions provided with it. 16 Basic Modem Operation DEFAULT IS 2 SECONDS PER COMMA. Disabling Auto-Answer: ATS0=0 Manually Answering a Call: ATA ...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. ONOTE: ONOTE: Pausing During Dialing: ATDT 9,,555 1212 THE PAUSE TIME FOR EACH COMMA IS DEFINED BY S REGISTER S8....
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... appears, enter the dial command with ZyXEL's BBS as the phone number. To eliminate the double characters, turn off using ATE0 and on using the ATE0 command. For example, AT&D2 and AT&N0 can be combined into one line AT&D2&N0. • Your modem processes commands from left if they... Tips when issuing AT Commands • The ENTER or RETURN key must be combined into one you see no characters in this area code) The modem will go off-hook, dial the number, and after a few seconds of this example you should be connected to execute a command. • Multiple AT commands...
... appears, enter the dial command with ZyXEL's BBS as the phone number. To eliminate the double characters, turn off using ATE0 and on using the ATE0 command. For example, AT&D2 and AT&N0 can be combined into one line AT&D2&N0. • Your modem processes commands from left if they... Tips when issuing AT Commands • The ENTER or RETURN key must be combined into one you see no characters in this area code) The modem will go off-hook, dial the number, and after a few seconds of this example you should be connected to execute a command. • Multiple AT commands...
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... while the modem is probably set it one way or the other as follows: Command A/ A> +++ Description Repeats the last issued AT command once. "OK"), and "numerical" result codes (i.e. You can use the ATV command to set to off. Select verbose result code. The U-336E supports several groups... of AT commands: AT Command Set/Type Basic AT (Hayes compatible) Basic AT$ (on line help) Extended AT& commands Extended AT* commands Fax AT+ commands Example ATB0 AT$ AT&N0 AT*I1 AT+FCLASS=2 18 Basic Modem Operation "0"). In this ...
... while the modem is probably set it one way or the other as follows: Command A/ A> +++ Description Repeats the last issued AT command once. "OK"), and "numerical" result codes (i.e. You can use the ATV command to set to off. Select verbose result code. The U-336E supports several groups... of AT commands: AT Command Set/Type Basic AT (Hayes compatible) Basic AT$ (on line help) Extended AT& commands Extended AT* commands Fax AT+ commands Example ATB0 AT$ AT&N0 AT*I1 AT+FCLASS=2 18 Basic Modem Operation "0"). In this ...
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... be covered in the chapters 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. • If a remote telephone ring was executed. You may browse the lists of available... commands for each command set S-Register bit 1 equal to their use. The U-336E also provides result codes that pertain to 1) S-Register inquiry ...
... be covered in the chapters 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. • If a remote telephone ring was executed. You may browse the lists of available... commands for each command set S-Register bit 1 equal to their use. The U-336E also provides result codes that pertain to 1) S-Register inquiry ...