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Limited Warranty

ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in
materials or workmanship for a period of up to two (2) years from the date of purchase. During
the warranty period, and upon proof of purchase, should the product have indications of failure
due to faulty workmanship and/or materials, ZyXEL will, at its option, repair or replace the
defective products or components without charge for either parts or labor, and to whatever extent
it shall deem necessary to restore the product or components to proper operating condition. Any
replacement will consist of a new or remanufactured functionally equivalent product of equal
value, and will be solely at the option of ZyXEL. This warranty shall not apply if the product is
modified, misused, tampered with, damaged by an act of God, or subjected to abnormal working
conditions.

Note: Repair or replacement, 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.

Acknowledgments

The trademarks and brand names mentioned in this manual are used for plain informational
purposes. Trademarks and brand names are the property 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 device must accept any interference received, including interference that may cause
undesired operations.

This equipment has been tested and found to comply with the limits for a CLASS B digital device
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy, and if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio/television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and the receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.

Summary of Contents for Comet 336P

Page 1: ...Comet 336P User s Manual Version 1 0 ZyXEL ACCESSING THE INTERNET AND INTRANET...

Page 2: ...Acknowledgments The trademarks and brand names mentioned in this manual are used for plain informational purposes Trademarks and brand names are the property of their respective owners FCC Part 15 In...

Page 3: ...network the telephone companymaydiscontinue your service temporarily If possible they will notify you in advance But if advance notice isn t practical you will be notified as soon as possible You will...

Page 4: ...n North America support zyxel hinet net outside North America Product information Visit our site on the World Wide Web http www zyxel com FTP Information such as ZyXEL software and ROM updates for Nor...

Page 5: ...on 3 Hardware 3 Windows 95 3 Using INF file in the bundled diskette 3 Windows 3 x 4 DOS 4 Fax Modem Enabler 5 Windows NT 4 0 6 Using INF File in the Bundled Diskette 6 3 Basic Modem Operation 9 Unders...

Page 6: ...Stored Phone Numbers 14 Saving Settings and User Profiles 14 Default Modem Settings for PC s 15 4 AT Command Set Summaries 17 Basic AT Command Set 17 Extended AT Command Set 18 Extended AT Command Se...

Page 7: ...intelligent high speed fax modem The modem can be used as both a send receive fax machine and a data modem When connecting to another modem fax the modem automatically negotiates the fastest speed pos...

Page 8: ...2 Introduction...

Page 9: ...indows 95 No any diskette needed in this installation 1 Choose Select from a list of alternate drivers in the New Hardware Found dialog box 2 Select Standard Modem Types and Standard 33600 bps Modem 3...

Page 10: ...ise run the PCMCIA utilities that came with your computer 5 Choose the Ports icon in Control Panel of Windows Main group to configure the COM port and IRQ 6 Install the FAX MODEM application program t...

Page 11: ...n program ONote Insert FAX MODEM before running communication program Fax Modem Enabler MDMEN EXE is the DOS enabler for the PCMCIA Fax Modem For systems without any Card Services you can use the enab...

Page 12: ...er and start Windows NT 4 0 3 From the Control Panel double click the Modem Icon 4 From the Install New Modem dialogue box click the Next button 5 Select Standard modem and click the Next button 6 Cli...

Page 13: ...Installation 7 10 Click the Finish button...

Page 14: ...8 Installation...

Page 15: ...ode In this mode the characters sent to the Comet by your computer are transmitted to the remote modem rather than being interpreted by the Comet as commands Using the Windows 95 Hyper Terminal Progra...

Page 16: ...t will pick up the phone line and try to communicate Normally this command is onlyused to answer an incoming call made from another modem Thus the high pitched noise you will hear from the speaker To...

Page 17: ...ake modem off hook ATH1 Hang up modem on hook ATH0 Manually Disconnecting a Call ATH Making Your First Connection Use the connection you created in the Hyper Terminal program to dial the ZyXEL BBS If...

Page 18: ...terminal window when you type the modem s echo setting is probably set to off In this case issue the ATE1 command When a command is successfully issued and accepted a modem responds with what is calle...

Page 19: ...tocol and error control data compression method used If your modem has detected an incoming ring Result codes can originate from any of eight result code sets The ATXn command lets you choose which se...

Page 20: ...le To store the number 1 714 555 1212 in memory location 2 type AT Z2 17145551212 Enter You can store up to 4 telephone numbers Dialing Stored Phone Numbers The AT command syntax used to dial a store...

Page 21: ...ed for operation with PC type computers and communications software In most cases no additional settings will be required The following are some of the default settings that are used for operation wit...

Page 22: ...16 Basic Modem Operation...

Page 23: ...ash Wait for a 5 second silence before proceeding R Reverse handshake go on line in Answer mode W Wait for second dial tone Remaining digits will be dialed as in band DTMF DL Repeat last ATD command D...

Page 24: ...rier Dn Data Terminal Ready DTR options D0 Ignore DTR signal assume DTR is always ON D1 108 1 DTR OFF ON transition causes dial of the default number D2 108 2 Data Terminal Ready DTR OFF causes the mo...

Page 25: ...n selection R0 CTS tracks RTS response delay is set in S26 R1 Ignore RTS assumes RTS always ON Sn Data Set Ready DSR function selection S0 DSR overridden DSR always ON S1 DSR set ready Tn Modem testin...

Page 26: ...n n 0 3 use AT Dn to set the default dial pointer Extended AT Command Set Command Options Function Description Dn n 0 3 Set default dial pointer at telephone directory location n En Modem error contro...

Page 27: ...seconds 1 255 14 S11 DTMF Touch tone tone duration 1 10 seconds 50 255 95 S12 Escape guard time 1 50 seconds 0 255 50 S18 Test timer seconds 0 255 0 S25 Delay to DTR 1 second for sync mode 1 0 01 for...

Page 28: ...o country restrictions The wait for Dial Tone call progress feature W dial modifier in the dial string will override the value in register S6 The modem always pauses for a minimum of 2 seconds even if...

Page 29: ...his register value is zero the test will not automatically terminate the test must be terminated from the command mode by issuing an T0 or H command When S18 is non zero the modem returns the OK messa...

Page 30: ...00 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...

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