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ZyXEL Communications Comet 3356, User Manual

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4  Installation

Telephone Jack

Connect a telephone to the PHONE jack on the back panel of the modem to manually
dial and answer calls when the modem is not exchanging data.

Microphone

To connect an external microphone, connect it to the modem’s MIC jack on the back of
the modem.

Speaker

To connect an external speaker, connect it to the modem’s SPK jack found on the back
of the modem. To connect two speakers, obtain a dual-plug adapter that allows the
modem speaker jack to drive both speakers. This adapter can be found at most
electronics stores.

Driver and Software Installation

This section contains step by step procedures for installing the Windows 95 and NT
drivers, and configuring Dial-up Networking for the Comet.

Windows 95 Driver Installation

1.  From the Windows 95 desk top click the Start button, then choose Settings, then

click Control Panel.

2.  Double click on the Modem icon.

3.  From the Modem Properties dialogue box click the Add button.

 

4. Select 

Don’t connect my modem; I will select it from a list. Then click Next.

Summary of Contents for Comet 3356

Page 1: ...Comet 3356 User s Manual Version 1 0 JiH5 66 1 7 17 51 7 1 175 1 7...

Page 2: ...nd 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 wi...

Page 3: ...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 be informed of your right to file a complaint with the FCC Your tele...

Page 4: ...t 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 North America can be found at this FTP ad...

Page 5: ...Installation 4 Windows 95 Driver Installation 4 Windows 95 Dial up Networking 6 Setup for DOS Fax Modem Software 10 3 Basic Modem Operation 12 Understanding AT Commands 12 Using the Windows 95 Hyper T...

Page 6: ...versal Protocol Compatibility 20 Error Control 21 CRC Cyclical Redundancy Check Error Detection 21 Data Compression 22 Run Length Encoding 22 Adaptive Frequency Encoding 22 String Coding 22 Hardware o...

Page 7: ...Code Options 45 ATXn Result Code Option Table 45 9 Fax Operation 48 Modem as Fax Machine 48 ITU T T 30 Fax Protocol 48 Fax Command sets 48 Defining the Fax Command Sets 49 Flow Control 49 FAX Class 1...

Page 8: ...yXEL modem driver diskette with Windows 95 INF file and Comet 3356 User s Manual One 1 Data Fax software for Windows environments One 1 warranty registration card One 1 ZyCD One 1 standard RS 232 cabl...

Page 9: ...2 Introduction...

Page 10: ...us Receiver Transmitter UART 5 Connect the telephone cord Plug one end of the supplied telephone RJ 11 cord into the LINE jack on the back of the modem Plug the other end into a telephone wall jack ju...

Page 11: ...in a dual plug adapter that allows the modem speaker jack to drive both speakers This adapter can be found at most electronics stores Driver and Software Installation This section contains step by ste...

Page 12: ...iver disk into your floppy drive and click OK If you have downloaded an updated INF file from ZyXEL s FTP Website or BBS click the Browse button to find the location of the updated INF file then click...

Page 13: ...ould see a window similar to the one below 9 Click Close This completes the installation of your Comet modem driver You may now use programs such as Dial Up Networking with your ZyXEL modem Windows 95...

Page 14: ...nd Dial up Networking 2 From the Welcome to Dial Up Networking dialogue box click Next 3 Choose a name for your connection and select your modem type from the drop down window Then click on the Next b...

Page 15: ...nish button A new icon is created in the Dial up Networking folder 6 Right click on the new icon Then select Properties from the menu 7 Make sure your Comet modem appears in the Connect Using field Th...

Page 16: ...you are connecting to a LAN then select Log on to network If you are logging on to a Microsoft Windows network select NetBEUI If you are logging on to a Novell network then select IPX SPX Compatible O...

Page 17: ...nd Password are incorrect or missing type them in Click on the Connect button and your Comet will dial the number and establish a connection to your Internet Service Provider 1 1R RW WH H 7KH GHIDXOW...

Page 18: ...will explain how 5 Look at the modem s front panel and verify the TR LED is ON If this LED is OFF your communications software is not addressing your modem at the correct COM port Make sure your softw...

Page 19: ...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 Program In order...

Page 20: ...d to answer an incoming call made from another modem Thus the high pitched noise you will hear from the speaker To abort the operation press any key or select Disconnect from the Call menu Dialing and...

Page 21: ...ogram to dial the ZyXEL BBS If you are using a different terminal program run the program according to the instructions provided with it Start the terminal program by double clicking the Test Connecti...

Page 22: ...e 0 You can use the ATV command to set it one way or the other as follows Command Description ATV0 Select numerical result code ATV1 Select verbose result code There are a few basic commands that do...

Page 23: ...r modem auto answer an incoming call after two rings set S register 0 to 2 Be sure the n value is between 1 and 255 If n is set to 0 your modem will not answer incoming calls Non Volatile Memory The C...

Page 24: ...are two profiles that can be changed by the user The following table lists the syntax for the command involved in storing recalling and viewing the profile settings AT V Views the settings in profile...

Page 25: ...18 Basic Modem Operation...

Page 26: ...eady for data communications AA Auto Answer Modem will automatically answer incoming calls PWR Power The modem is on and has power to operate DTE Interface DTE and DCE are terms used in data communica...

Page 27: ...ommunication use a low capacitance cable as short as possible Communication Protocols and Speeds The most commonly used ITU T modem standards for 2 wire dial up lines are summarized in the chart below...

Page 28: ...by detecting and re transmitting erroneous data ZyXEL modems support both MNP and V 42 error control protocols The MNP protocol was an industry de facto standard developed and licensed by Microcom In...

Page 29: ...tokens representing the compressed format of that character and a repetition count will be sent Adaptive Frequency Encoding Adaptive frequency encoding is applied after removing repeated characters da...

Page 30: ...and RTS are RS232 signals which must be available on your computer When the modem s transmission buffer is almost full the modem will drop CTS to signal the DTE that it cannot accept any more data Tur...

Page 31: ...age formats sent by the phone company One is the single message format which includes date time and caller ID The other is the multiple message format which also includes the caller name as registered...

Page 32: ...ta tag the modem will present the data in ASCII hex numbers following the MESG tag Setting AT CID 2 will cause the modem to report CND information in its ASCII coded hexadecimal raw data format The DT...

Page 33: ...Ring Sequence 1 2s on 4s off 2 0 8s on 0 4s off 0 8s on 4s off 3 0 4s on 0 2s off 0 4s on 0 2s off 0 8s on 4s off The ring indicate RI output does not toggle on the first ring if AT SDR 0 The RI outpu...

Page 34: ...Special Functions 27...

Page 35: ...facturer information Report the country code Report data pump model and code revision Report the DAA code L0 L1 default L2 L3 Low speaker volume Low speaker volume Medium speaker volume High speaker V...

Page 36: ...n 0 or 1 C0 C1 default DCD remains ON at all times DCD follows carrier state D0 D1 D2 default D3 DTR is ignored DTR drop causes the modem to return to the command state without disconnecting DTR drop...

Page 37: ...on E0 E1 E2 default E3 Disable line quality monitor and auto retrain Enable line quality monitor and auto retrain Enable line quality monitor and fallback fall forward Enable line quality monitor and...

Page 38: ...le line format 0 Download to flash memory at last sensed line speed 1 Download to flash memory at 38 4 kbps 2 Download to flash memory at 57 6 kbps CID 0 default CID 1 CID 2 CID CID Disable caller ID...

Page 39: ...ransmission FDTC Report polled station capabilities FET Post page message response FED n Transmit page punctuation FHNG Call termination with status FK Session termination FLID Local ID string FLPL Do...

Page 40: ...n VSK Buffer skid setting VSP Silence detection period voice receive VSR Sampling rate selection VSS Silence deletion tuner voice receive VTD DTMF tone reporting VTM Enable timing mark placement VTS G...

Page 41: ...ameters will modified to reflect the Nn and S37 x settings Use of the Nn and S37 x commands is not recommended but is provided for compatibility with existing communication software S37 is not updated...

Page 42: ...32 9600 or 4800 10 V 32 bis 14400 12000 9600 7200 or 4800 11 V 34 33600 31200 28800 26400 24000 default 21600 19200 16800 14400 12000 9600 7200 4800 or 2400 56 K56flex 56000 54000 52000 50000 48000 4...

Page 43: ...If max_rate is within the rates supported by the selected modulation the selected rated is that specified by max_rate For example MS 10 0 1200 4800 selects V 32 bis 4800 bps fixed rate b If max_rate...

Page 44: ...lects automode starting at V 32 bis 12000 bps same as N1S37 10 3 min_rate is an optional number specifies the lowest rate at which the modem may establish a connection The value is decimal coded in un...

Page 45: ...n Commands 1 Robbed bit signaling generation server modem or detection client modem enabled Note that ATZ will reset the rb_signaling selection to 0 default Result Codes OK Valid subparameter string E...

Page 46: ...MS Modulation Commands 39...

Page 47: ...inactivity timer seconds 0 255 0 S25 Delay to DTR 1 second for sync mode 1 0 01 for otherwise 0 255 5 S26 RTS to CTS delay interval 0 01 seconds 0 255 1 S29 Flash dial modifier time 0 1 seconds 0 255...

Page 48: ...hree characters are transmitted each time the modem processes the Backspace character S6 Wait Time for Dial Tone Before Blind Dialing Sets the length of time in seconds that the modem will wait before...

Page 49: ...result code does not affect entry into command mode S18 Test Timer Sets the length of time in seconds that the modem conducts a test commanded by Tn before returning to the command mode If this regist...

Page 50: ...nnection is established 100 An MNP connection is attempted and if it fails the modem disconnects 101 An MNP connection is attempted and if it fails a direct mode connection is established 110 Reserved...

Page 51: ...r corrected link The default is for the modem to use data compression 138 Value Description 136 Execute error correction protocol with no compression 138 Execute error correction protocol with compres...

Page 52: ...ates DCE speed 1 Append ARQ to the CONNECT result code if the protocol is other than NONE 2 CARRIER result code 3 PROTOCOL result code 4 Reserved 5 COMPRESSION result code 6 Reserved 7 Reserved Result...

Page 53: ...21600 V V V V V 56 CARRIER 24000 V V V V V 57 CARRIER 26400 V V V V V 58 CARRIER 28800 V V V V V 59 CONNECT 16800 V V V V 61 CONNECT 21600 V V V V 62 CONNECT 24000 V V V V 63 CONNECT 26400 V V V V 64...

Page 54: ...V V V 165 CONNECT 32000 V V V V 166 CONNECT 34000 V V V V 167 CONNECT 36000 V V V V 168 CONNECT 38000 V V V V 169 CONNECT 40000 V V V V 170 CONNECT 42000 V V V V 171 CONNECT 44000 V V V V 172 CONNECT...

Page 55: ...ation you must connect the modem to a computer usually a PC The computer serves as the input output device for the fax function The RS 232 serial connection or the ZyXEL serial port interface connects...

Page 56: ...rol The flow control signaling used sending a fax is CTS is used by the Comet to flow control the DTE When the modem turns CTS off the buffer inside the modem is full and cannot accept any more data T...

Page 57: ...72 V 29 7200 bps n 73 V 17 7200 bps long n 74 V 17 7200 bps short n 96 V 29 9600 bps n 97 V 17 9600 bps long n 98 V 17 9600 bps short n 121 V 17 12000 bps long n 122 V 17 12000 bps short n 145 V 17 1...

Page 58: ...Indicate confirmation to receive FCON Facsimile connection response FCIG Set the polled station identification FCIG Report the polled station identification FCR Capability to receive FCR Capability t...

Page 59: ...ne FBADMUL Error rate multiplier FBUG Session message reporting FCQ Copy quality capability FCTCRTY CTC retry value FDFFC Data compression format conversion FECM Error correction mode FLNFC Page lengt...

Page 60: ...Fax Operation 53...

Page 61: ...generation detection capabilities b Audio Sub Configuration Available Only for Modem Models Supporting Business Audio Linear PCM coding and decoding of analog audio is accomplished with 7 2 kHz or 11...

Page 62: ...reas if the telephone line is selected a physical connection with another station must occur before entering this mode 9 1 2 Voice Receive Mode Voice Receive Mode is entered when the DTE issues the VR...

Page 63: ...type of connection or eventually hangs up For the Voice Audio Mode the DTE has the option of hanging up if there are indications that the remote station has not answered in voice thus implementing a d...

Page 64: ...Audio The modem is configured to answer in Voice Audio Mode only and assumes the caller will cooperate After going off hook the voice VCON is issued no answer tone is generated and the modem is immed...

Page 65: ...uld be used instead of the CLS command The only difference between these commands is that issuing FCLASS cancels the modem s memory of voice whereas CLS causes the modem to remain off hook even if a f...

Page 66: ...e submodes The modem simultaneously looks for 1300 and 1100 Hz calling tones when answering and for CCITT and Bell answer tones when originating The modem can also detect dial or busy tones in any of...

Page 67: ...er Tone Data or Fax is detected If the DTE fails to react to the code and the modem continues to detect Answer tone the code is repeated as often as once every half second DLE b Busy Sent in Voice Rec...

Page 68: ...en reading data from the modem lately The modem inserts the DLE o at the end of the buffer thus marking the location where data was lost by the DTE The modem does not append DLE o codes to the buffer...

Page 69: ...odem allows a small number of bytes to build up in the buffer before re enabling the transmitter to avoid repeated underruns However with the underrun condition the modem does not wait for the XOFF th...

Page 70: ...LE E Purge DCE Buffer Sent during the transmission or reception of voice audio data by embedding the command in the voice data stream to purge the corresponding DCE buffer See the DLE EOT code DLE u I...

Page 71: ...Mode 9 2 6 Voice Record To effect recording of a message received via a handset or microphone the DTE must configure the modem for Voice Mode CLS 8 and select the proper relay setup VLS to instruct t...

Page 72: ...telephone before he can issue DTMF tones Once selected however the user can indeed pick up the telephone and press buttons Even if the DTE has not entered Voice Receive or Transmit Modes VTX or VRX th...

Page 73: ...ta If the modem is in the Online Voice Command Mode the DTE can attempt a data handshake by setting CLS 0 followed by the A or D command This has the effect of beginning a Data Mode handshake accordin...

Page 74: ...mic Speakerphone setting mu sp mic TL Audio output transmit level n 0000 7FFF VBQ Query buffer size VBS Bits per sample n 2 Select 2 bits per ADPCM valid for VSR 7200 n 4 Select 4 bits per ADPCM valid...

Page 75: ...Telephone emulation operation is entered during Voice On line VCON mode after completing dialing ATD or answering ATA n 7 valid after Voice On line mode mutes the local handset by switching the handse...

Page 76: ...ling rate for PCM only VSS Silence detection tuner voice receive n 0 Disables silence detection in Voice Receive Mode n 1 Least sensitive setting n 2 Midrange setting n 3 Most sensitive setting VTD DT...

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