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Popular ZyXEL U-336S Manual Pages
User Guide - Page 1
U-336S and U-336SA User's Manual
Version 3.0
ZyXEL
TOTAL INTERNET ACCESS SOLUTION
User Guide - Page 15
... means of both the models except for their installation and operation. Introduction 1 All the features are listed in your U-336S/SA modem - If you do not find information on the purchase of ZyXEL's premier high-performance products. one of your User's Manual, please call ZyXEL Technical Support at 714-693-0808. The U-336S and the U336SA modem are world renown for...
User Guide - Page 16
• One AC power adapter (external model) for 33,600bps and is equipped with speeds up or leased
line).
• Data and fax communication software. Standard Features
• Ultra-high speed modem supports V.34bis for U336S modem only. • Available AC wall outlet. • Telephone line from your data communications faster, easier, and more convenient.
Your...
User Guide - Page 17
... 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 and voice calls (this feature requires communication software that supports distinctive ring...
User Guide - Page 21
Installation 7 Make sure your ZyXEL modem located on the sides and bottom should not be covered and should allow free movement of the user to ensure compliance with FCC Part 15, and it is clean and well ventilated. The ventilation slot of your installation site is the responsibility of air. Front Panel
The U-336S and the U-336SA models have...
User Guide - Page 24
... for RJ-11 phone jacks are listed in Chapter 12 Connector Pinouts for your modem as shown in Figure 2-5 U-336S Modem Connections.
10 Installation Use of a DTE (computer/terminal). Modem Connection
When you can use the power adapter that is rated for U-336S model. Connect your reference. Pin assignments are also listed in serious damage to the...
User Guide - Page 25
... used, simply leave the connection open. 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. There are also
Installation 11 User configurations are no DIP switches or configuration settings that you need an AC adapter.
User Guide - Page 27
...-line." Understanding AT Commands
The U-336S/SA communicates asynchronously with the letters AT or at. Command statements must be written in a specific form in order to get up and running with communication software, and to the modem by way of communication software, but can only be entered manually by one or more commands and...
User Guide - Page 42
... it be set ! Your modem comes with a PC the factory default settings should be just right for commands from a
28 LCD Panel Operation Finally, this chapter with the menu tree structure which categorizes modem operations for easy and quick reference. Modem users can be necessary to the instructions in Chapter 2, install the communication software, follow the instructions in very...
User Guide - Page 50
..., only the first 20 digits/characters will disable this RINGING result code. If the line is made, the screen displays: ABORT 1234567
The modem will then return to the IDLE STATUS screen. If any key ...is busy, after three to five seconds, the LCD displays: BUSY 1234567
The modem will then return to the IDLE STATUS screen. Setting S42.6 = 1 will be displayed on the second line of the LCD screen...
User Guide - Page 64
... is used when the remote modem is also a ZyXEL modem.
• Type 2 security is used .
The type 1 connection, the dial-in remote modem will maintain the connection if the password is used when the remote modem is any other brand. 6 Special Functions
This chapter describes special features of the U-336S/SA, and offers instructions on how each is...
User Guide - Page 100
...modem will enable the BBS to the DTE. In your BBS to receive faxes on the same phone line. The following is the last command. 2. Fax Reception from a BBS
The U-336S...ZyXEL and give it automatically. Be sure the
+FCLASS=6 command is a sample setting for the FrontDoor system.
86 Fax Operation The following set...report result code to receive a fax and store it an error level. 4. Set the ...
User Guide - Page 143
... self-test. FAIL....
Results of the
test.
1 ROM TEST FIAL....
If an error message is not a real error.
4 DSP RAM FIAL... If the error condition persists, call the ZyXEL Service Center for at least 10 seconds, and then turn off the modem, wait for assistance, or follow the return procedure to return the modem to a
Diagnostics & Troubleshooting 129
User Guide - Page 152
... line that the DTR LED is not ready.
Check that requires pulse dialing. Problem
When you receive a phone call, your ZyXEL Modem Reference Manual.
4. To disable autoanswer, type ATS0=0 and press Enter with a remote modem, but encounter frequent errors during data transfers.
138 Diagnostics & Troubleshooting Solutions
• Make sure the supplied telephone cable is connected to RS232...
User Guide - Page 153
...Type ATI2 and press Enter to your ZyXEL Modem Reference Manual.
2.
Solutions
1. The remote system may...remote system. Diagnostics & Troubleshooting 139
Connection Problems
Problem
Your modem disconnects while communicating with your data connection. Your modem and communications software may have hung up.
Solutions
1. To verify that interrupted your modem in the command state....
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