ZyXEL Communications U-336R/RE manual

Retrain Requested	0
Link Duration	1
Retrain Granted	0
T401 Timeouts	0
T402 Timeouts	0
FCS Errors	0
Round Trip Delay	10
Xmitter Underrun	0
Receiver Overrun	0
Last Speed/Protocol	Connect
14400/ARQ/V42b

Disconnect Reason Local Hangup

This Link Status Report is very helpful in finding the link condition and identifying problems with the link. Following are explanations for each item and the terminology used above.

Chars

Data characters transmitted between the DTE (computer/terminal) and the modem.

Octets

Data bytes transmitted between the modems, handled by error control protocol, may be compressed data. Data compression efficiency may be seen from the ratio of chars count to octets count.

Block

Framed octets transmitted between error control protocols of the two modems.

Chars Sent

Characters sent from the DTE to the modem for transmission.

Diagnostics & Troubleshooting 123

Image 135

ZyXEL Communications U-336R/RE manual Characters sent from the DTE to the modem for transmission

Contents

ZyXEL ZyXEL Limited Warranty Iii FCC Part 15 InformationCopyright 1997 by ZyXEL Acknowledgments Information for Canadian Users Page ∙ E-mail Contacting ZyXEL Vii Contents Leased Line Operation Synchronous Mode Operation Fax Operation Special Functions Upgrading Your Modem AT Command Set SummariesDiagnostics & Troubleshooting Status Registers & Result Codes Terminal Pinouts IndexXii Modem Features Standard FeaturesIntroduction Intelligent Features Fax Compatibility Technical Specifications Unpacking Your Modem Enclosed EquipmentRequired Equipment Becoming a Registered Owner Introduction Name Blinking InstallationInstallation 336R/RE Modem Card DSR TXDRXD DTR Required Steps for U-336R/RE Installation Connect to phone lines Installing the modem card Hooking Up Power Fax/Modem Communication Software InstallationConnect to Computers AT&F Setting Value For troubleshooting suggestions Installation Basic Modem Operation Understanding AT CommandsUsing the Windows 95 Hyper Terminal Program Basic Modem Operation ATEnter Dialing and Answering Techniques Dialing using the ATD Command ATS0=0 Making Your First ConnectionAuto-Answer and Hook Controls ATS0=n Quick Tips when issuing AT Commands AT Command Set/Type Example Command Description Modem Result Codes Changing S Register Values Viewing S Register Values AT&Zs=n Non-Volatile MemoryStoring Phone Numbers Dialing Stored Phone Numbers Helpful Hints for PC Computers Saving Settings and User Profiles Default Modem Settings for PC’s AT Command DescriptionZyXEL Serial/Parallel I/O Card Mac Software Tips Special AT Command Settings for MacintoshHelpful Hints for Macintosh Computers Macintosh Serial Port Basic Modem Settings for Unix Helpful Hints for UNIX-Based ComputersSerial Cable Unix Software Tips Synchronous Mode Operation 25bis Command SetSynchronous Mode Operation Clock Options Syntax Command with Description Parameters RTS Options Data Command State OptionsDialing from Synchronous Mode Sync AT&M1 Answering from Synchronous Mode Auto-AnswerManual Answer Synchronous Mode Operation Leased Line Operation Connecting to a Leased LineLine Type Setting AT-Command Description Auto Handshake Power Level SettingLeased Line Handshaking Manual Connect AT*M1 Leased-Line Dial BackupDial Backup AT*M0 Aborting from Leased-Line Operation Terminating a Leased Line Connection Special Functions Special FunctionsSecurity Functions Levels of Security User Passwords Enters the callback number Command Function Remote Configuration AT*RabAT*Wab Caller Number Delivery Caller ID Ring Here is an example Distinctive Ring Type Bit Ring Sequence Extended Distinctive Ring EDR Special Functions S51 Bit-mapped register default Bits Bin Dec Description Setting Up EDR CID/EDR RD EDR Application Example Special Functions Special Functions Fax Operation Modem as Fax MachineFax Operation Fax Command sets Defining the Fax Command SetsITU-T T.30 Fax Protocol Command Value Description Class 1 Command Set +FTH and +FRH support value 3 V.21 ch / 300 bps only Class 2 Command Set Command Syntax Description Value+FCIG=string Ln,df,ec,bf,st +FDCC=vr,br,wd +FDR +FDCS=vr,br,wd+FDIS=vr,br,wd,l Df,ec,bf,st +FMFR? +FK+FLID=string +FMDL? +FREV? Response Value Function and Description+FCFR +FVOICE +FPOLL +FCO Class 2.0 Command Set+FBS? +FCC=vr,br,w +FDT +FIS=vr,br,wd +FLI=stringTpr,idr,nsr +FRQ=pgl,cbl +FNS=string+FPI=string DCE +FCICSI ID HEX +FNF A0-BF+FNC NSC FIF CIG ID +FNSNSS FIF +FPI Extended Fax AT Command Set Modem will wait for DC2 at the beginning of every Busy #PstringNo Dial Tone No Carrier Field Description SnnnnPstring Flow Control String Error Level Fax Reception from a BBSConnect Init AT&FX7S0=1#B1+FCLASS=6 ExtrnMail ZyXEL errorlevel AT Command Set Summaries AT Command Set SummariesBasic AT Command Set Command Options Function & Description Command Options Function & Description UPX Link Status Report output appears as follows Description of ATI2 Output Output Parameter Output Value Description Data Type Description DTE DTE/DCE Extended AT& Command Set Command Options Function & Description Command Options Function & Description Command Options Function & Description Command Options Function & Description Command Options Function & Description Extended AT* Command Set Command Options Function & Description Command Options Function & Description Basic S-Registers ATSn=x Command Function & Description +RefStatus Registers & Result Codes Register Descriptions Extended S-Registers ATSn=x Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description ATX1 ATX2 ATX3 ATX4 Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description ATA Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Register bit number, b, used in ATSr.b=n ATSr.b=? Result Code Options ATXn Result Code Option Table+nnn Supported Numerical Verbose Connect Strings for Error Corrected ConnectionsResult Code Field Descriptions Field Name Possible Values 24000 Status Registers & Result Codes Diagnostics & Troubleshooting DiagnosticsDiagnostics & Troubleshooting Power-On Self Test FR Calibration Loopback Tests Indicator Lights Line Condition Status Display Received Signal Power Level RX Link Status Report ATI2 Characters sent from the DTE to the modem for transmission Data bytes sent to the remote modem ∙ Local Hang-up ∙ Remote Hang-up ∙ Carrier Lost ∙ On Line AT Command Set Problems Trouble Shooting Your modem fails to execute AT commands Answer Problems Command Echo Problems Dialing Problems Connect Problems Data Transfer Problems Upgrading Your Modem Upgrading Your ModemUpgrading by Flash Eprom Type ATUPXenter Kernel Recovery Mode Terminal Pinouts Terminal PinoutsTerminal Blocks TIP Name Pin/Signal Direction DescriptionPC Serial Port Pinouts Signa Mac Modem Description Din Macintosh Serial Port Pinouts Terminal Pinouts Index Index Smartdrv