User Guide
Page 5
... of the power utility, telephone lines, and internal metallic water pipe system, if present, are connected together. The declarations of a certified connector assembly. In some situations. For their own protection, users should be aware that the electrical ground connections of service in some cases, the company's inside wiring associated with the above conditions may be installed using an acceptable...
... of the power utility, telephone lines, and internal metallic water pipe system, if present, are connected together. The declarations of a certified connector assembly. In some situations. For their own protection, users should be aware that the electrical ground connections of service in some cases, the company's inside wiring associated with the above conditions may be installed using an acceptable...
User Guide
Page 10
... Modem Result Codes 19 Viewing S Register Values 19 Changing S Register Values 20 Non-Volatile Memory 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...
... Modem Result Codes 19 Viewing S Register Values 19 Changing S Register Values 20 Non-Volatile Memory 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...
User Guide
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... & 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 Serial Port...
... & 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 Serial Port...
User Guide
Page 24
...-11 terminal jack, for connection to a 2-wire dial-up or 2-wire leased line. • PHONE RJ-11 terminal jack, for connection to a telephone set. • EIA-232D Serial port DB25S connector, for RJ-11 phone jacks are listed in Figure 2-5 U-336S Modem Connections. 10 Installation Power switch, turns the modem ON or OFF. • POWER JACK Input terminal for U-336S model. Use the supplied AC adapter for power. Use of a DTE (computer/terminal...
...-11 terminal jack, for connection to a 2-wire dial-up or 2-wire leased line. • PHONE RJ-11 terminal jack, for connection to a telephone set. • EIA-232D Serial port DB25S connector, for RJ-11 phone jacks are listed in Figure 2-5 U-336S Modem Connections. 10 Installation Power switch, turns the modem ON or OFF. • POWER JACK Input terminal for U-336S model. Use the supplied AC adapter for power. Use of a DTE (computer/terminal...
User Guide
Page 25
Your modem comes factory pre-set and allows you need an AC adapter. User configurations are no DIP switches or configuration settings that you to the AC power outlet. Figure 2-6 U-336SA Modem Connections If a leased line is not used, simply leave the connection open. There are also Installation 11 Figure 2-5 U-336S Modem Connections For the U-336SA you don't need to worry about. Use the supplied power cord to connect your modem to fully configure the modem from the LCD display.
Your modem comes factory pre-set and allows you need an AC adapter. User configurations are no DIP switches or configuration settings that you to the AC power outlet. Figure 2-6 U-336SA Modem Connections If a leased line is not used, simply leave the connection open. There are also Installation 11 Figure 2-5 U-336S Modem Connections For the U-336SA you don't need to worry about. Use the supplied power cord to connect your modem to fully configure the modem from the LCD display.
User Guide
Page 36
... cables are manufactured in two forms, either with the settings in profile (n-1); For high speed serial connections at the serial port. The serial port is very commonly used in user profile 'n'; n=0 to 4. Resets the current settings with a 25-pin male jack or a 9pin male jack. The UART 16450 is driven by interrupts. AT&Vn AT&Wn ATZn Views the settings in profile 'n', n=0 to 5; Profile 4: Factory default profile...
... cables are manufactured in two forms, either with the settings in profile (n-1); For high speed serial connections at the serial port. The serial port is very commonly used in user profile 'n'; n=0 to 4. Resets the current settings with a 25-pin male jack or a 9pin male jack. The UART 16450 is driven by interrupts. AT&Vn AT&Wn ATZn Views the settings in profile 'n', n=0 to 5; Profile 4: Factory default profile...
User Guide
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... a speed of the default settings that are configured for operation with PC type computers and communication software. Modem negotiates highest possible connection speed. ZyXEL Serial/Parallel I/O Card For high-speed PC to -off transition. Default Modem Settings for PC's The U-336S/SA factory settings are used for most cases, no additional settings will not occur when working with a ZyXEL modem, for example: The serial port is 16550-compatible for operation with a ZyXEL modem's serial port. on -to modem communication, ZyXEL produces a special I/O adapter card. Use both...
... a speed of the default settings that are configured for operation with PC type computers and communication software. Modem negotiates highest possible connection speed. ZyXEL Serial/Parallel I/O Card For high-speed PC to -off transition. Default Modem Settings for PC's The U-336S/SA factory settings are used for most cases, no additional settings will not occur when working with a ZyXEL modem, for example: The serial port is 16550-compatible for operation with a ZyXEL modem's serial port. on -to modem communication, ZyXEL produces a special I/O adapter card. Use both...
User Guide
Page 38
... found wide acceptance is FaxSTF which make sure the cable is provided as follows. Helpful Hints for Mac Computers Special AT Command Settings for Mac For operation with Mac computers, you to make use the factory default settings with one exception. The serial port on these (very outdated) models is a hardware handshaking type. Type: AT&D0 (set the modem to ignore the DTR signal as a 9-pin connector similar to increase communication program...
... found wide acceptance is FaxSTF which make sure the cable is provided as follows. Helpful Hints for Mac Computers Special AT Command Settings for Mac For operation with Mac computers, you to make use the factory default settings with one exception. The serial port on these (very outdated) models is a hardware handshaking type. Type: AT&D0 (set the modem to ignore the DTR signal as a 9-pin connector similar to increase communication program...
User Guide
Page 39
... disable carrier detection using the serial ports. This program includes powerful line manager software which allow use of the serial ports at speeds up the modem. MaxFax is turned off when you start your Macintosh to avoid this time the line manager software tries to locate and to set ATE0Q1. any program which runs on your workstation to find the part number of or information on how to make a serial cable for a few minutes. The cable...
... disable carrier detection using the serial ports. This program includes powerful line manager software which allow use of the serial ports at speeds up the modem. MaxFax is turned off when you start your Macintosh to avoid this time the line manager software tries to locate and to set ATE0Q1. any program which runs on your workstation to find the part number of or information on how to make a serial cable for a few minutes. The cable...
User Guide
Page 43
... four on -line. Left/Right arrow used for horizontal item selection and option keys selection. computer/terminal or any key pad operation from the front panel. A Answer mode on -screen buttons: D Dialing operation with submenus. The modem also displays the current status and settings in the idle screen: Information Link Option Link Speed Error Control Data Compression Line Type Data Format DTE Speed ORG/Ans Example V34 (V.34...
... four on -line. Left/Right arrow used for horizontal item selection and option keys selection. computer/terminal or any key pad operation from the front panel. A Answer mode on -screen buttons: D Dialing operation with submenus. The modem also displays the current status and settings in the idle screen: Information Link Option Link Speed Error Control Data Compression Line Type Data Format DTE Speed ORG/Ans Example V34 (V.34...
User Guide
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... BUSY 1234567 The modem will then return to the IDLE STATUS screen. If the time interval depicted in or not connected, the LCD screen will display the following screen to be displayed on the LCD: DIALING 1234567 The dialed phone number will be displayed. If any key interruption occurs (from ...expires, and the line is made, the screen displays: ABORT 1234567 The modem will then return to the IDLE STATUS screen. If the line is sent to the terminal. If the number exceeds 20 digits, only the first 20 digits/characters will disable this RINGING result code. Dialing Messages ...
... BUSY 1234567 The modem will then return to the IDLE STATUS screen. If the time interval depicted in or not connected, the LCD screen will display the following screen to be displayed on the LCD: DIALING 1234567 The dialed phone number will be displayed. If any key interruption occurs (from ...expires, and the line is made, the screen displays: ABORT 1234567 The modem will then return to the IDLE STATUS screen. If the line is sent to the terminal. If the number exceeds 20 digits, only the first 20 digits/characters will disable this RINGING result code. Dialing Messages ...
User Guide
Page 68
... configure the remote modem into user profiles. The AT*F0 command will set of the standard configurations by your phone company for availability. Caller Number Delivery (Caller ID) Caller Number Delivery (CND), commonly called station. Because the modem uses the remote digital loopback mode to the connected computer/terminal during the second ring period as part of phone service that may be granted (AT&T4) on -line condition. Your modem...
... configure the remote modem into user profiles. The AT*F0 command will set of the standard configurations by your phone company for availability. Caller Number Delivery (Caller ID) Caller Number Delivery (CND), commonly called station. Because the modem uses the remote digital loopback mode to the connected computer/terminal during the second ring period as part of phone service that may be granted (AT&T4) on -line condition. Your modem...
User Guide
Page 78
... time it is first scanned. Also covered are the status report result codes, the flow control protocol associated with data compression and is encoded with ZyXEL fax AT commands, and some specific fax applications. The bit-mapped data is then transmitted across the phone line by an internal modem module. The remote facsimile receives the data with such software, refer to the software instructions. For help...
... time it is first scanned. Also covered are the status report result codes, the flow control protocol associated with data compression and is encoded with ZyXEL fax AT commands, and some specific fax applications. The bit-mapped data is then transmitted across the phone line by an internal modem module. The remote facsimile receives the data with such software, refer to the software instructions. For help...
User Guide
Page 98
... below . n = 0, 1, or 2. Scan line time; Remote fax number. 84 Fax Operation Other party's phone line is detected. When a fax connection is a 4-digit number representing the connection speed. nnnn is successfully established, the modem returns this message: CONNECT FAX/SnnnnVnTnRnLnCnP This message includes the connection speed and the fax parameters explained in fax mode, each ATD or ATA command will send a status report result code back to dial but...
... below . n = 0, 1, or 2. Scan line time; Remote fax number. 84 Fax Operation Other party's phone line is detected. When a fax connection is a 4-digit number representing the connection speed. nnnn is successfully established, the modem returns this message: CONNECT FAX/SnnnnVnTnRnLnCnP This message includes the connection speed and the fax parameters explained in fax mode, each ATD or ATA command will send a status report result code back to dial but...
User Guide
Page 100
... file, if the error level matches the external mail, execute rcvfax 2 /p:comport [/w:workpath] This setting will enable the BBS to receive incoming faxes, make the following set-up changes in the list to the init string. To allow BBS software to ZyXEL and give it automatically. Set the external mail string to receive faxes on the same phone line. The modem will turn off . Be sure the +FCLASS=6 command...
... file, if the error level matches the external mail, execute rcvfax 2 /p:comport [/w:workpath] This setting will enable the BBS to receive incoming faxes, make the following set-up changes in the list to the init string. To allow BBS software to ZyXEL and give it automatically. Set the external mail string to receive faxes on the same phone line. The modem will turn off . Be sure the +FCLASS=6 command...
User Guide
Page 135
... units 0- 0-FF The modem counts when there is installed in or out of the RS- 232 serial port. Modem is connected to profile 0. times out. 2 4 4 Enable data calling tone (CNG) sending 3 8 8 Reverse the V.23 channel speed. &N12 Originate mode modem speed (Send/Receive) 1200/75; When the modem is disengaged when the counter Status Registers & Result Codes 121 A connection is idle (waiting for command), it will have the...
... units 0- 0-FF The modem counts when there is installed in or out of the RS- 232 serial port. Modem is connected to profile 0. times out. 2 4 4 Enable data calling tone (CNG) sending 3 8 8 Reverse the V.23 channel speed. &N12 Originate mode modem speed (Send/Receive) 1200/75; When the modem is disengaged when the counter Status Registers & Result Codes 121 A connection is idle (waiting for command), it will have the...
User Guide
Page 143
... TEST FIAL.... FAIL... 8 FR CALIBRATION Analog circuit calibration error. Resetting The Modem A reset command from the panel will restart the power-on your terminal: 0 SYSTEM TESTING Self-test indicator. The factory DEFAULTS. If the normal IDLE SCREEN shows up, the original failure was due to ZyXEL. ROM code checksum error. 2 RAM TEST FAIL.... this message will be re-initiated. default settings will be downloaded to the EEPROM...
... TEST FIAL.... FAIL... 8 FR CALIBRATION Analog circuit calibration error. Resetting The Modem A reset command from the panel will restart the power-on your terminal: 0 SYSTEM TESTING Self-test indicator. The factory DEFAULTS. If the normal IDLE SCREEN shows up, the original failure was due to ZyXEL. ROM code checksum error. 2 RAM TEST FAIL.... this message will be re-initiated. default settings will be downloaded to the EEPROM...
User Guide
Page 151
... respond to your modem's LINE jack and not the PHONE jack. 2. Do not assign a value of rings, replace 1 with a value up for auto-answer. Solutions 1. Answer Problems Problem Your modem does not auto-answer incoming calls. Problem Each character you type appears twice on your software program's echo (or duplex) feature. Make sure the supplied telephone cable is configured to disable modem echo, or turn on the...
... respond to your modem's LINE jack and not the PHONE jack. 2. Do not assign a value of rings, replace 1 with a value up for auto-answer. Solutions 1. Answer Problems Problem Your modem does not auto-answer incoming calls. Problem Each character you type appears twice on your software program's echo (or duplex) feature. Make sure the supplied telephone cable is configured to disable modem echo, or turn on the...
User Guide
Page 154
... that supports the XModem protocol. 5. Data in Flash ROM will be erased!!! 11 Upgrading Your Modem Upgrading by downloading from the ZyXEL BBS, WWW or FTP site. Press Enter and wait for the FTP address. 2. See Contacting ZyXEL on your modem. Press Y. When the installation is complete, the modem restarts automatically. 140 Upgrading Your Modem Obtain the new firmware by Flash EPROM 1. Turn on your modem. Type ATUPX. 6. This step updates the modem's flash EPROM...
... that supports the XModem protocol. 5. Data in Flash ROM will be erased!!! 11 Upgrading Your Modem Upgrading by downloading from the ZyXEL BBS, WWW or FTP site. Press Enter and wait for the FTP address. 2. See Contacting ZyXEL on your modem. Press Y. When the installation is complete, the modem restarts automatically. 140 Upgrading Your Modem Obtain the new firmware by Flash EPROM 1. Turn on your modem. Type ATUPX. 6. This step updates the modem's flash EPROM...
User Guide
Page 155
Kernel Recovery Mode Your modem is equipped with ZyXEL's exclusive Kernel Recovery Mode. Turn off the modem. 2. Upgrading Your Modem 141 In the unlikely event that contains the valid firmware for repair. A Kernel Program responsible for the update process takes control of AT commands, including the ATUPX command. 3. Repeat steps 1 through 9 from failed flash uploads. It accepts a limited set of the modem. With other modems, a failed flash upload usually results in the user having to return...
Kernel Recovery Mode Your modem is equipped with ZyXEL's exclusive Kernel Recovery Mode. Turn off the modem. 2. Upgrading Your Modem 141 In the unlikely event that contains the valid firmware for repair. A Kernel Program responsible for the update process takes control of AT commands, including the ATUPX command. 3. Repeat steps 1 through 9 from failed flash uploads. It accepts a limited set of the modem. With other modems, a failed flash upload usually results in the user having to return...