ZyXEL U-90E User Guide

ZyXEL U-90E Manual

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  • ZyXEL U-90E | User Guide - Page 1
    U-90 E User's Guide Version 1.0 ZyXEL TOTAL INTERNET ACCESS SOLUTION
  • ZyXEL U-90E | User Guide - Page 2
    90E Data/Fax Modem U-90E Data/ Fax Modem Copyright Copyright © 1999 by ZyXEL The contents of this book may not be reproduced (in any part or as a whole) or transmitted in any form or by any means without the written permission of the publisher. Published by ZyXEL of others. ZyXEL further reserves the
  • ZyXEL U-90E | User Guide - Page 3
    U-90E Data/Fax Modem Federal Communications Commission (FCC) Interference Statement This device complies with Part radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. If this equipment does cause harmful
  • ZyXEL U-90E | User Guide - Page 4
    U-90E Data/Fax Modem Information for Canadian Users The Industry Canada label identifies certified of connection. In some cases, the company's inside wiring associated with a single line individual service may be extended by means of a certified connector assembly. The customer should be aware that
  • ZyXEL U-90E | User Guide - Page 5
    U-90E Data/Fax Modem The declarations of CE marking: The Prestige 480 has been approved for connection to the Public Switched Telecommunication Network using interfaces compatible with ITU-TSS
  • ZyXEL U-90E | User Guide - Page 6
    U-90E Data/Fax Modem ZyXEL Limited Warranty ZyXEL warrants to the original end user (purchaser) that this product of any kind of character to the purchaser. To obtain the services of this warranty, contact ZyXEL's Service Center; refer to the separate Warranty Card for your Return Material
  • ZyXEL U-90E | User Guide - Page 7
    U-90E Data/Fax Modem Customer Support If you have questions about your ZyXEL product or desire assistance, contact ZyXEL Communications Corporation offices worldwide, in one of the following ways: Method International North America E-Mail-Tech Support [email protected] [email protected] (
  • ZyXEL U-90E | User Guide - Page 8
    Preface ...xix Chapter 1 ...1-1 Getting to Know Your Modem ...1-1 1.1 U-90E Data/Fax Modem ...1-1 1.2 Standard Features ...1-1 1.3 Intelligent Features ...1-2 1.4 Data Compatibility...1-3 1.5 Fax Compatibility ...1-4 1.6 Technical Specifications...1-4 1.7 Applications...1-5 1.7.1 Data Transfer Via
  • ZyXEL U-90E | User Guide - Page 9
    90E Data/Fax Modem 2.5 Modem Configuration ...2-5 2.6 Power On...2-6 Chapter 3 ...3-1 Setting up your Internet Connection 3-1 3.1 Installing TCP/IP ...3-1 3.2 Configuring TCP/IP...3-2 3.3 Creating a Dial-up Connection 3-4 Chapter 4 ...4-1 Basic Modem AT Commands 4-4 4.3.1 Modem Result Codes 4-6
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    U-90E Data/Fax Modem 4.6.1 Special AT Command Settings for Mac 4-11 4.6.2 Mac Serial Port ...4-11 4.6.3 Mac Software Tips...4-11 4.7 Helpful Hints for UNIX-Based Computers 4-12 4.7.1 Serial Cable...4-12 4.7.2 Basic Modem Settings for UNIX 4-12 4.7.3 Unix Software Tips...4-12 Chapter 5 ...5-1 AT
  • ZyXEL U-90E | User Guide - Page 11
    U-90E Data/Fax Modem 7.1.2 Power Level Setting ...7-1 7.2 Leased Line Handshaking 7-2 7.2.1 Manual Connect ...7-2 7.2.2 Auto Handshake ...7-2 7.3 Terminating a Leased Line Connection 7-3 Chapter 8 ...8-1 Synchronous Mode Operation ...8-1 8.1 Mode options ...8-1 8.2 Clock Options ...8-2 8.3 Half-
  • ZyXEL U-90E | User Guide - Page 12
    10-12 Chapter 11...11-1 Fax Operation...11-1 11.1 Fax Basics ...11-1 11.2 Modem as Fax Machine 11-2 11.2.1 ITU-T T.30 Fax Protocol 11-2 11.3 Fax Command sets...11-2 11.3.1 Defining the Fax Command Sets 11-3 11.3.2 Service Class 1 Commands 11-3 11.3.3 Service Class 2.0 Commands 11-4 11.4 Status
  • ZyXEL U-90E | User Guide - Page 13
    U-90E Data/Fax Modem 13.2.1 Analog Loopback Test (AT& Modem ...14-1 14.1 Upgrading by Flash EPROM 14-1 14.2 Kernel Recovery Mode 14-2 Chapter 15 ...15-1 Troubleshooting ...15-1 15.1 AT Command Set Problems 15-1 15.2 Command Echo Problems 15-3 15.3 Auto-Answer Problems 15-3 15.4 Dialing Problems
  • ZyXEL U-90E | User Guide - Page 14
    U-90E Data/Fax Modem Appendix B ...I EIA-232D Interface ...I Appendix C ...J Phone Jack Pin Assignments...J Index...K xiv
  • ZyXEL U-90E | User Guide - Page 15
    U-90E Data/Fax Modem List of Figures Figure 2-1 Front Panel ...2-1 Figure 2-2 Rear Panel ...2-3 Figure 3-1 Select Network Component Type 3-1 Figure 3-2 Select Network Protocol...3-2 Figure 3-3 Network...3-3 Figure 3-4 IP Address...3-3 Figure 3-5 DNS
  • ZyXEL U-90E | User Guide - Page 16
    U-90E Data/Fax Modem List of Tables Table 1-1 U-90E Data Operation Modes ...1-3 Table 1-2 Fax Compatibility ...1-4 Table 2-1 LED Indicators ...2-2 Table 2-2 Front Panel Switches ...2-3 Table 2-3 Rear Panel...2-4 Table 4-1 Modem Settings ...4-2 Table 4-2 AT Result Codes ...4-5 Table 4-3 Basic
  • ZyXEL U-90E | User Guide - Page 17
    U-90E Data/Fax Modem Table 10-1 Security Function Commands ...10-3 Table 10-2 AT*Rab Command...10-4 Table 10-3 AT*Wab Command ...10-4 Table 10-4 Ring Control...10-8 Table 10-5 EDR Settings...10-10 Table 10-6 V.25 Command Set...10-12 Table 11-1 Service Class 1 Commands ...11-3 Table 11-2 MOD
  • ZyXEL U-90E | User Guide - Page 18
  • ZyXEL U-90E | User Guide - Page 19
    , quality connections while communicating around the globe. About This Manual This manual describes the use of your U-90E data/fax modem and gives instruction for its installation and operation. Structure of this Guide This manual is divided into four sections: • Getting Started (Chapters 1-4) gives
  • ZyXEL U-90E | User Guide - Page 20
    U-90E Data/Fax Modem Complete the pre-addressed Warranty Registration Card and place it in the mail. Registered owners will receive future product information and update announcements. Warranty registration
  • ZyXEL U-90E | User Guide - Page 21
    and applications of your 56/33.6 Kbps Data/Fax modem. 1.1 U-90E Data/Fax Modem The U- 90E is an analog Data/Fax modem used for data transmission via PSTN line. It connects to both 2-wire dial-up and 2-wire leased line. The synchronous transmission mode can support up to 33.6kbps. For Internet access
  • ZyXEL U-90E | User Guide - Page 22
    U-90E Data/Fax Modem • V.42bis and MNP 5 data compression. • DTE serial interface with speeds up to 460 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
  • ZyXEL U-90E | User Guide - Page 23
    with easy access to new features. • ZyXEL exclusive Kernel Recovery Mode for no hassle recovery from failed flash uploads - no factory repairs needed. • Reduced voice function. Supports DTMF tone generation and detection only. 1.4 Data Compatibility The U-90E modem is a high performance universal
  • ZyXEL U-90E | User Guide - Page 24
    FSK FSK 1200 Org 2400 Ans 1200 Org 2400 Ans 1.5 Fax Compatibility The U-90E modem supports fax applications and is compatible with many fax transmission standards. It provides the highest fax speed of up to 14400 bps using the fax transmission standard V.17. Standard Bit Rate [bps] V.17 14400
  • ZyXEL U-90E | User Guide - Page 25
    U-90E Data/Fax Modem • Data/Voice toggle switch. • Configuration settings: software programmable with : programmable volume control. 1.7 Applications 1.7.1 Data Transfer Via Leased Line Your U-90E modem provides reliable transmission quality on-line data transfer for users subscribing a leased line
  • ZyXEL U-90E | User Guide - Page 26
    90E Data/Fax Modem 1.7.2 Synchronous mode DTE Your U-90E modem provides service on an immediate basis and ensures a steady flow of data. It is very useful for users using synchronous mode DTE like IBM mainframes. To process large amount of information, you can use the U-90E U-90E modem supporting the
  • ZyXEL U-90E | User Guide - Page 27
    of air. 2.1 Front Panel The LEDS on the front panel indicate the operational status of the modem. Figure 2.1 shows the front panel of the U-90E. There are 12 LED indicators and two key switches. ZyXEL V90 / V34 / FAX / A/O D/V HS AA CD OH DTR DSR CTS RTS TXD RXD SQ TST Figure 2-1 Front Panel
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    U-90E Data/Fax Modem 2.1.1 Front Panel LEDs The following table describes the LED indicators. LEDs HS AA CD OH DTR DSR CTS RTS TXD RXD SQ TST Table 2-1 LED Indicators Description High Speed mode indicator, lights ON when your modem is operating in V.34 or V.90 mode; flashes when your modem is in
  • ZyXEL U-90E | User Guide - Page 29
    U-90E Data/Fax Modem Table 2-2 Front Panel Switches Switches A/O D/V Description Pressing the button will set the modem in originate mode and releasing it in answer mode. This switch only determines modem operation if the modem is made to go off-hook manually. Or else the ATD or ATA command will
  • ZyXEL U-90E | User Guide - Page 30
    U-90E Data/Fax Modem Table 2-3 Rear Panel Printed on U-90E Housing Power Power Jack Line Phone DTE/EIA 232D Description Power switch, turns the modem ON or OFF. • In addition to the ZyXEL modem you just purchased, you must have the following equipment to operate your modem: • Computer terminal. •
  • ZyXEL U-90E | User Guide - Page 31
    U-90E Data/Fax Modem • Telephone line from your telephone company (dial-up or leased line). • Data and fax communication software. 2.4 Connecting the Modem Connect the power plug from the adapter to the power jack and plug the other end into an electrical outlet. When you connect your modem to the
  • ZyXEL U-90E | User Guide - Page 32
    U-90E Data/Fax Modem 2.6 Power On Once your modem's power switch is turned ON, a series of diagnostic tests will be performed. For a more detailed description of these diagnostic tests, please refer to the chapter on Diagnostics and Troubleshooting. After performing the diagnostic tests, your modem
  • ZyXEL U-90E | User Guide - Page 33
    U-90E Data/Fax Modem Chapter 3 Setting up your Internet Connection For accessing Internet, you must install TCP/IP in your computer, configure the TCP/IP, and then create a PPP
  • ZyXEL U-90E | User Guide - Page 34
    U-90E Data/Fax Modem You will see Figure 3-2 Select Network Protocol. Figure 3-2 Select Network Protocol Select Microsoft and TCP/IP, then click on OK. a PPP connection; if not, follow the steps below: From Start, select Settings/Control Panel, then double-click on Network. 3-2 Modem Installation
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    U-90E Data/Fax Modem Figure 3-3 Network Select TCP/IP, then click Properties. You will see the following screen. Figure 3-4 IP Address In most cases, you have to select Obtain
  • ZyXEL U-90E | User Guide - Page 36
    U-90E Data/Fax Modem Figure 3-5 DNS Configuration 3.3 Creating a Dial-up Connection At this point, you are only one step away from accessing the Internet. Follow the instructions below to create a new dial-up connection. Click on My Computer on your desktop, select Dial-up Networking, then click on
  • ZyXEL U-90E | User Guide - Page 37
    U-90E Data/Fax Modem Figure 3-6 Make New Connection Give a name to this Dial-up Connection. For example, U-90E. Then select your new modem as the device to connect to Internet, and then click Next. You will see the following screen. Figure 3-7 Insert ISP's Phone Number Setting up your
  • ZyXEL U-90E | User Guide - Page 38
    U-90E Data/Fax Modem Enter your ISP's phone number, and then click Next. Figure 3-8 Completing Dial-Up Connection Click Finish. Now, you have completed dial-up setup. From now on, you can access the Internet by your new device. 3-6 Modem Installation
  • ZyXEL U-90E | User Guide - Page 39
    . 4.1 Understanding AT Commands The U-90E communicates asynchronously with computers using AT commands. AT commands are used to configure and control your modem. Commands are usually sent to the modem by way of communication software, but can also be entered manually by the user with the computer
  • ZyXEL U-90E | User Guide - Page 40
    U-90E Data/Fax Modem Once your modem is connected to your computer's serial port and telephone . Click "OK" when finished. The next window sets the COM port settings. The settings used for your modem should be as follows. Table 4-1 Modem Settings Bits per second: Data bits: Parity: Stop bits:
  • ZyXEL U-90E | User Guide - Page 41
    U-90E Data/Fax Modem To test the telephone line connection issue the manual answer command. Type: ATA Your modem will pick up the phone line, and try to communicate. Normally, this command is only used to answer an incoming call made from another modem, thus the high pitched tone you will
  • ZyXEL U-90E | User Guide - Page 42
    U-90E Data/Fax Modem Redialing the Last Number Called: Waiting for Five Seconds of Silence: number of rings after which your modem answers an incoming call. Disabling Auto-Answer: ATS0=0 Manually Answering a Call: ATA Take modem off-hook: ATH1 Hang up modem (on-hook): ATH0 4.3 Quick Tips
  • ZyXEL U-90E | User Guide - Page 43
    U-90E Data/Fax Modem echo rather than using the ATE0 command. If you see no characters in your 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 a "Result
  • ZyXEL U-90E | User Guide - Page 44
    U-90E Data/Fax Modem The U-90E supports several groups of AT commands: Table 4-4 AT Command Sets/Types AT Command Set/Type Basic AT (Hayes compatible) Extended AT& commands Extended AT* commands Fax AT+ commands S-Register command S-Register bit-mapped command (set S-Register bit 1 equal to 1) S-
  • ZyXEL U-90E | User Guide - Page 45
    U-90E Data/Fax Modem The speed, protocol, and error control/data compression method used. If an incoming ring was detected. Result codes can originate from any of eight result code sets. The ATXn command lets you choose which set of result codes your modem can use. By default, your modem uses result
  • ZyXEL U-90E | User Guide - Page 46
    U-90E Data/Fax Modem 4.4 Non-Volatile Memory The U-90E has an amount of memory set aside for storing user information such as frequently used phone numbers and default command settings. The latter is particularly useful when using your modem to call a variety of different locations that require
  • ZyXEL U-90E | User Guide - Page 47
    U-90E Data/Fax Modem 4.4.3 Saving Settings and User Profiles There are some cases where you may wish to save the settings you have made as the default settings that are recalled when your modem is powered up. The AT&WZ command selects the current settings as the power-on profile. There are four
  • ZyXEL U-90E | User Guide - Page 48
    U-90E Data/Fax Modem The serial port is driven by interrupts. Every interrupt needs a certain character (byte) received, it generates an interrupt. If your hardware allows it and if your software supports it, replace the 16450 UART with a 16550 model. This newer chip has an internal buffer and generates
  • ZyXEL U-90E | User Guide - Page 49
    programs available is ZTerm. Fewer programs are available to make use of the ZyXEL's fax features. One program that has found wide acceptance is FaxSTF that can be installed like a printer driver allowing you to send faxes from almost any program which runs on your Macintosh. At the same time
  • ZyXEL U-90E | User Guide - Page 50
    90E Data/Fax Modem MaxFax is another fax software for Macintosh computers. Drivers are available which allow use of the serial ports at speeds up to 230.4 Kbps. These drivers Minicom or Seyon. If you wish to make use of your ZyXEL modem's special features, special gettys such as mgetty or vgetty are
  • ZyXEL U-90E | User Guide - Page 51
    U-90E Data/Fax Modem Chapter 5 AT Command Set Summary An AT command is a command issued by the computer/terminal to the modem through the asynchronous computer-modem interface in asynchronous data format. AT commands control the modem's behavior and actions. To send an AT command from a computer to
  • ZyXEL U-90E | User Guide - Page 52
    U-90E Data/Fax Modem Command Options P T Function & Description Pulse dialing Tone dialing Ref. S23.1 on Hn On/off hook control H0 * Hang up (on-hook) the modem or ISDN, same as 'ATH' H1 Off hook the modem In Display inquired information I0 Display numerical product code, same as 'ATT'
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    U-90E Data/Fax Modem Command Options I2 I12 I13 I14 I15 Ln n=0-7 4 * Mn M0 M1 * M2 M3 Nn n=0-7 5 * O O1 Qn Q0 * Q1 Q2 Sr.b=n Sr.b? Sr=n Sr? Function & Description Display modem link status report Display physical layer status Display Channel response for V.34 V 90
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    U-90E Data/Fax Modem Command Options UPX Function & Description Ref. Download firmware to 5.1.1 Result Code Options The result codes are the command responses. When you issue a command to the modem, the modem sends a response to you via the screen. That is called the result code. The format of
  • ZyXEL U-90E | User Guide - Page 55
    U-90E Data/Fax Modem 3 NO CARRIER • 4 ERROR • 5 CONNECT 1200 • 6 NO DIAL TONE • • • • • 7 BUSY • 8 NO ANSWER • 9 RINGING • 10 CONNECT 2400 • 11 CONNECT 4800 • 12 CONNECT 9600 • 14 CONNECT 19200 • 15
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    U-90E Data/Fax Modem 34 CONNECT 41600 35 CONNECT 31200 36 CONNECT 24960 37 CONNECT 20800 38 CONNECT 33600 39 CONNECT 28800 40 CONNECT 26400 41 CONNECT 24000 100
  • ZyXEL U-90E | User Guide - Page 57
    U-90E Data/Fax Modem 120 CONNECT 29333 121 CONNECT 28000 • • Note: If error &Bn &Cn &Dn Options &B0 &B1 * &C0 &C1 * Function & Description Ref. Data rate, terminal-to-modem. (DTE/DCE) S28.6 DTE rate follows connection rate. (See also S44.6) DTE/DCE rate fixed at DTE setting (See
  • ZyXEL U-90E | User Guide - Page 58
    U-90E Data/Fax Modem Command &F &Gn &Hn &Kn &Ln &Mn Options &D0 &D1 &D2 * &D3 &G0 * &G2 &H0 &H3 S27.3-5 Flow control disabled. Hardware (CTS/RTS) flow control Software (XON/XOFF) flow control. Modem error control and data compression. S27.0-2 No error control.(Same as AT&K) MNP4 (See also S41
  • ZyXEL U-90E | User Guide - Page 59
    U-90E Data/Fax Modem Command &Nn Options &M1 &M2 &M3 Function & Description Ref. Asynchronous command, synchronous data Direct asynchronous mode, no data buffering Synchronous mode Modem link mode options (DCE/DCE). S19 (See also S43.7, S48.1) &N0 * &N3 &N4 &N5 &N12 &N13 &N14 &N15 &N16 &
  • ZyXEL U-90E | User Guide - Page 60
    U-90E Data/Fax Modem Command Options &N65 &N66 &N67 &N68 &N69 &N70 &N71 &N72 &N73 &N78 &N79 &N80 &N81 &N82 &N83 &N84 &N85 &N86 &N87 &N88 &N89 &N90 &N91 &
  • ZyXEL U-90E | User Guide - Page 61
    U-90E Data/Fax Modem Command &Pn &Rn &Sn &Tn Options &N96 &N97 &N98 &N99 &P0 * &P1 &R0 &R1 * & DSR overridden, DSR always ON. DSR according to CCITT (ITU-TSS). (See also S41.5, S44.4) Modem testing. S16 Terminate test in progress. Initiate Analog Loop-back (ALB) test. Initiate Local Digital
  • ZyXEL U-90E | User Guide - Page 62
    U-90E Data/Fax Modem Command &Vn &Wn Options &V0 &Vn &V5 n=0-3 Function & X1 &X2 &Y0 &Y1 * &Y2 n=0-49 Synchronous mode timing (clock) source S14.4-5 selection Modem provides synchronous transmit clock signal (Internal clock to pin 15 of EIA232D) Terminal provides synchronous transmit clock
  • ZyXEL U-90E | User Guide - Page 63
    U-90E Data/Fax Modem 5.3 Extended AT* Command Set Table 5-4 Extended AT* Command Set Command Options Function & at telephone S29 directory location n. *D0 * (See also S35.4 and S38.0) *En Modem error control negotiation. S21.0 *E0 * if error control negotiation fails, keep the non-error
  • ZyXEL U-90E | User Guide - Page 64
    U-90E Data/Fax Modem Command Options Function & Description *G5 Enables type 2 security, with password check and call back; remote site enters the call-back number. Ref. Note: The command *Gn requires supervisor password checking. 1. In security type 1, the remote site must be a ZyXEL modem
  • ZyXEL U-90E | User Guide - Page 65
    U-90E Data/Fax Modem Command Options Function & Description Ref. *Qn Action taken when line quality settings b= 0-3 remote user profile number. Note: • The above command only works when the modem is on-line independent of the type of connection involved. *$ Extended *AT Command summary help
  • ZyXEL U-90E | User Guide - Page 66
    U-90E Data/Fax Modem 5.5 AT Fax Command Set For AT+F commands see the chapter Fax Operation. 5.6 AT Voice Command Set For AT Voice commands see the chapter Voice Capability. 5-16 AT Command Set Summary
  • ZyXEL U-90E | User Guide - Page 67
    Chapter 6 Status Registers This chapter provides an overview of S-Registers (status registers) available in your U-90E data/fax modem. 6.1 S-Register Descriptions The descriptions for each S-register are given below. In most bit-mapped S-registers, the default bit value is 0. An asterisk marks
  • ZyXEL U-90E | User Guide - Page 68
    U-90E Data/Fax Modem Command S7= S8= S9= S10= S11= Function & Description +Ref. dialing if 'X0' or 'X1' is selected. If a setting of 'X2' to 'X7' is selected, the modem will dial as soon as it detects a dial tone. This register also sets the time- out interval for the "W" dial modifier to
  • ZyXEL U-90E | User Guide - Page 69
    U-90E Data/Fax Modem Command S15= bit dec hex Function and description request 2 2* Deny Remote Digital Loop-back test.(Default) 3,2 0 0* Dial-up line (Default) 4 4 2-wire leased line 5,4 0 0* Internal clock (
  • ZyXEL U-90E | User Guide - Page 70
    U-90E Data/Fax Modem Command bit dec hex Function and description Ref. 64 40 Profile 2 as active settings after Z2 power on S16= Commands set *I0 64 40 V.25bis command set *I1 128 80 Dumb mode (no command accepted) *I2 dec hex Force modem to fix baud rate when +000 6-4 Status Registers
  • ZyXEL U-90E | User Guide - Page 71
    U-90E Data/Fax Modem Command S19= S20= bit dec hex Function and description Ref. answering 0 0* Disable fixed baud function 1-46 1-2E Enable baud rate to be fixed when answering. Baud rate value settings (n) the same as S20 dec Hex Modem connection mode, same +000/& Nn 0-73 0-49 Setting
  • ZyXEL U-90E | User Guide - Page 72
    U-90E Data/Fax Modem Command bit dec hex Function and description Ref. 18 12 102400 bps 20 14 61440 1D 20800 bps 46 2E 921600 bps Note: Only the speeds up to S20=15 are supported by auto speed detection. S21= bit dec Hex Bit mapped register +178 0 0 0* Maintain non-error control connection *E0
  • ZyXEL U-90E | User Guide - Page 73
    U-90E Data/Fax Modem Command bit dec hex Function and description Ref. (see also S38.3) up and return to command state (default) 192 C0 108.2+RST, DTR OFF causes the &D3 modem to hang up and reset the modem to profile 0 after DTR dropped bit dec Hex Bit mapped register +105 0 0 0 Command echo
  • ZyXEL U-90E | User Guide - Page 74
    U-90E Data/Fax Modem Command S24= S25= S26= S27= bit dec hex Function and numeric format V0 (see S35.7) 64 40* Display result code in verbose format V1 7 0 0* Modem returns result code Q0 128 80 Modem does not return result code Q1 (see also S40.1) bit dec Hex Bit mapped register +067
  • ZyXEL U-90E | User Guide - Page 75
    U-90E Data/Fax Modem Command S28= bit dec hex Function and description Ref. (default) 3-5 0 0 Hex Bit mapped register +068 0 0 0* Single line RJ-11 phone jack (default) &J0 1 1 Multiple phone/modem line, &J1 RJ12/RJ13 phone jack 1 0 0* Panel key is normal (default) *L0 2 2 Panel key is
  • ZyXEL U-90E | User Guide - Page 76
    U-90E Data/Fax Modem Command S29= S31= S32= S35= bit dec hex Function and description Add 16dB attenuation to the leased line transmission power 4 16 10 When Data/Voice switch is pressed, *Dn modem will dial the default number. S29 5 32 2*0 Enable Selective Reject in V.42 (Default) 6 64 40
  • ZyXEL U-90E | User Guide - Page 77
    U-90E Data/Fax Modem Command S36= bit dec hex Function and description Ref. bit dec Hex Bit- Enable type 1 security with password *G1 check. (ZyXEL to ZyXEL only) 64 40 Enable type 1 security with password *G2 check and call-back (ZyXEL to ZyXEL only) 96 60 Enable type 2 security with password
  • ZyXEL U-90E | User Guide - Page 78
    U-90E Data/Fax Modem Command bit dec hex Function and description 3 8 8 DCD ON/OFF sequence follows UNIX standard, DCD ON before connect message is sent, DCD off after last DCE response is sent Ref. &C1 S21.4 S39= S40= S41= 4 16 10 Auto-mode fax receiving &N0 disabled.,hang up if a fax call
  • ZyXEL U-90E | User Guide - Page 79
    U-90E Data/Fax Modem Command bit dec hex Function and description Ref. S42= S43= S44= S45= S46= 7 128 80 Ignore calling tone, not to be used as fax detection bit dec hex Bit mapped register +000 1 2 2 Enables throughput averaging 2 4 4 CND message will be forced on even if ATQ2 is set 3 8 8
  • ZyXEL U-90E | User Guide - Page 80
    U-90E Data/Fax Modem Command bit dec hex Function and description Ref. S48= S51= 0-255 0- (Work with &D1 command) DTR ON will have the modem dial the default number and DTR OFF will have the modem hang-up and reset to profile 0. When the modem is idle (waiting for command), it will not dial any
  • ZyXEL U-90E | User Guide - Page 81
    U-90E Data/Fax Modem Command S52= S56= S57= bit dec hex Function and description Ref. (Default) 16 10 Reports RING for fax CNG tone 32 20 Reports RING 1 for fax CNG tone 48 30 Reports RING 2 for fax CNG tone 7-6 0 0 Disables data CNG tone detection 64 40 Reports RING for data CNG tone 128
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  • ZyXEL U-90E | User Guide - Page 83
    U-90E Data/Fax Modem Chapter 7 Leased Line Operation A leased line is a permanent telephone line connection between two fixed points. It can be dedicated copper wires or a leased telephone circuit from the telephone company. U-90E supports only 2-wire leased lines. Two-wire leased lines transmit
  • ZyXEL U-90E | User Guide - Page 84
    U-90E Data/Fax Modem AT-Command AT*P31 Description 31dBm, effective in leased-line operation only. 7.2 Leased Line Handshaking In a typical dial-up connection, the originating modem dials the number and waits for the answering modem's carrier signal. The answering modem can be commanded to either
  • ZyXEL U-90E | User Guide - Page 85
    AT-Command AT*M1 Description When operating over a leased line, modem will start handshaking in answer mode. U-90E Data/Fax Modem 7.3 Terminating a Leased Line Connection Disconnecting the leased line manually will only force your modem to drop the line temporary. Later it will try to re-
  • ZyXEL U-90E | User Guide - Page 86
  • ZyXEL U-90E | User Guide - Page 87
    U-90E Data/Fax Modem Chapter 8 Synchronous Mode Operation This chapter introduces you to the use of U-90E modem for synchronous operation. Use the modem as a synchronous modem when it is connected to a synchronous computer or terminal. Make sure that the remote modem and system are also set to
  • ZyXEL U-90E | User Guide - Page 88
    U-90E Data/Fax Modem 8.2 Clock Options Synchronous data must be transmitted and received with a clock. You clock is the one in which the clock signal is provided by the DTE and sent to the modem. The slave clock is used when in remote digital loopback mode. Here the recovered clock signal from the
  • ZyXEL U-90E | User Guide - Page 89
    U-90E Data/Fax Modem 8.3.1 Pseudo CD Set s12.7 to 1 can enable this function. When s12.7 is set, CD (Carrier Detect) signal will light up mode rely on RTS, CTS and CD signals. The V.13 protocol is provided where the local CD follows the remote modem's RTS signal. Synchronous Mode Operation 8-3
  • ZyXEL U-90E | User Guide - Page 90
  • ZyXEL U-90E | User Guide - Page 91
    asynchronous data communication. Your data/fax modem U-90E also provides error control, data compression and flow control features. 9.1 Error Control Error control keeps the modem data link error-free by detecting and re-transmitting erroneous data. The U-90E modems support both MNP and V.42 error
  • ZyXEL U-90E | User Guide - Page 92
    90E Data/Fax Modem 9.2 Data Compression In the modems, data compression is activated between asynchronous to synchronous conversion in an attempt to reduce the number of bits actually sent. The receiving modem the compressed data stream. The U-90E modems support both V.42bis and MNP5 data
  • ZyXEL U-90E | User Guide - Page 93
    U-90E Data/Fax Modem 9.3 Flow Control This feature refers to stopping and restarting the flow of data into and out of the modem's transmission and receiving data buffers. Flow control is necessary so that a device does not receive more data than it can handle. The U90E provide two kinds of flow
  • ZyXEL U-90E | User Guide - Page 94
  • ZyXEL U-90E | User Guide - Page 95
    the U-90E, and offers instructions on how to use them. 10.1 Security Functions Your modem provides a security function that prevents unauthorized users from making connections. Two types of security functions are provided. • Type 1 security is used when the remote modem is also a ZyXEL modem. • Type
  • ZyXEL U-90E | User Guide - Page 96
    U-90E Data/Fax Modem 10.1.2 User Passwords The user may define fifty passwords. The corresponding 50 dial-back numbers will be the modem's 50 stored entered password is not correct. The default supervisor password is ZyXEL when the modem is shipped from the factory. This supervisor password is also
  • ZyXEL U-90E | User Guide - Page 97
    U-90E Data/Fax Modem Table 10-1 Security Function Commands Command Function *G0 Disable security function enters the callback number. Note: Before the security type or level can be changed, the modem requires the supervisor password. For type 2 security, the remote site will be prompted to
  • ZyXEL U-90E | User Guide - Page 98
    U-90E Data/Fax Modem Local profile modification is done by loading the remote profile as the active settings and then modifying and saving the active settings back to the profile. Then the connection is reestablished and the profile transmitted to the remote modem. Reading a remote profile b into a
  • ZyXEL U-90E | User Guide - Page 99
    90E Data/Fax Modem 10.3 Caller Number Delivery (Caller ID) Caller Number Delivery (CND), commonly called Caller ID, is a new kind of phone service feature, be sure you are using software that supports it (such as ZFAX). In single message format, the modem will send a ring message to the terminal as
  • ZyXEL U-90E | User Guide - Page 100
    U-90E Data/Fax Modem MM is the two-digit month message, DD is the two-digit date message, hh is the hour and mm is the minute of the
  • ZyXEL U-90E | User Guide - Page 101
    U-90E Data/Fax Modem TIME: 04-28 12:30 REASON FOR NO NUMBER: OUT_OF_AREA REASON FOR NO NAME: PRIVACY RING The last CND message that the modem received can be displayed by using the AT*T command. Setting S48.0=1 will cause the modem to report CND information in its ASCII coded hexadecimal raw data
  • ZyXEL U-90E | User Guide - Page 102
    90E Data/Fax Modem A ring signal is a composition of repeated on and off states. Different types of rings usually correspond to different compositions of the "ON" part (cadence) of the ring. Your modem default if you do not have distinctive ring service. If more than one type of Distinctive Ring
  • ZyXEL U-90E | User Guide - Page 103
    U-90E Data/Fax Modem 10.5 Extended Distinctive Ring (EDR) Extended Distinctive Ring (EDR) is a special feature designed for single telephone line home use to receive fax or data calls without interfering with regular voice calls. When most users install a fax/modem at home, they won't subscribe to
  • ZyXEL U-90E | User Guide - Page 104
    U-90E Data/Fax Modem press any DTMF key if he or she wants to send a fax. This will activate the modem to report and subsequently be ordered to answer the fax call. 10.5.1 Setting Up EDR The new EDR can be used at home where multiple phones are installed in parallel. Once this function is enabled,
  • ZyXEL U-90E | User Guide - Page 105
    U-90E Data/Fax Modem EDR detection (either CNG or DTMF tones) will be disabled once detection occurs. However, a customer's program might not answer because the setting of the software may require multiple rings. S51 bits 0-1 control the number of rings that the modem will answer to once the CNG or
  • ZyXEL U-90E | User Guide - Page 106
    fax. Save the settings in a profile and reset the modem with AT&WZ. 10.6 On-line Help Your modem provides on-line help to understand AT command sets. You can see the "AT command quick manual 90E supports V.25bis command set. V.25bis is a dialing command set standard defined by the ITU-T. It supports
  • ZyXEL U-90E | User Guide - Page 107
    U-90E Data/Fax Modem Syntax RLN DIC CIC CFI INC VAL INV LSN RST Command with parameters RLN DIC CIC CFI XX INC VAL INV LSN n; RST Descriptions
  • ZyXEL U-90E | User Guide - Page 108
  • ZyXEL U-90E | User Guide - Page 109
    U-90E Data/Fax Modem Chapter 11 Fax Operation The U-90E can be used as a fax machine. In the sections below, we will describe how the modem works as a fax machine, the ITU-T T.30 fax protocol, and the Class 1 and 2.0 fax commands. Also covered are the status report result codes. The instructions for
  • ZyXEL U-90E | User Guide - Page 110
    in poor line conditions. When connecting to a G3 fax device, your modem allows for fax speeds up to 9600 bps and will automatically fall back to 7200, 4800, and 2400 bps if the line quality is poor. 11.3 Fax Command sets The U-90E supports two command sets for fax operation: 11-2 Special Functions
  • ZyXEL U-90E | User Guide - Page 111
    computer through the serial RS-232 interface. All fax/modems and fax software supporting this standard will be compatible with each other. Class 1 commands control on-line modem negotiation. The Class 1 protocol uses the modem to transmit fax data only. The complete organizational overhead for this
  • ZyXEL U-90E | User Guide - Page 112
    U-90E Data/Fax Modem +FTH=n +FRH=n Carrier Transmit HDLC Data with n=3 =3 Carrier Receive HDLC Data with n=3 7200 7200 7200 9600 9600 9600 12000 12000 14400 14400 11.3.3 Service Class 2.0 Commands Command Table 11-3 Service Class 2.0 Commands Description Value 11-4 Special Functions
  • ZyXEL U-90E | User Guide - Page 113
    +FKS Terminate a Session , orderly fax abort +FIP Initialize Service Class 2.0 Parameters +FCLASS=n Service Class Identification and n=0,1,2.0,8;refer to the Control +FCLASS Class 1 command +FMI? Identify DCE Manufacturer ZyXEL +FMM? Identify DCE U-90E +FMR? Identify DCE Revision Vx
  • ZyXEL U-90E | User Guide - Page 114
    U-90E Data/Fax Modem Command Description Value Data Compression Format df=0:1-D df=1:2-D Error Correction ec=0:Disable Binary File Transfer bf=0:Disable Minimum Scan Time/Line st=0:0 ms st=1:5 ms
  • ZyXEL U-90E | User Guide - Page 115
    Command +FIE=n +FPS=n +FLO=n +FPR=n Special Functions U-90E Data/Fax Modem Description Value rpr=1:Receiver parameters are reported tpr= 0:Transmitter parameters are not reported tpr=1:Transmitter parameters are reported idr= 0: ID Strings are not reported idr=1:
  • ZyXEL U-90E | User Guide - Page 116
    U-90E Data/Fax Modem Command +FBO=n +FEA=n +FCR=n +FCQ=, Description Phase C Data Bit Order Phase C Received EOL alignment Capability to Receive Copy Quality disable/enable Value n=0:Selects
  • ZyXEL U-90E | User Guide - Page 117
    Value n=5:14400 bps 512,256 11.4 Status Report Result Codes When the U-90E is in fax mode, each ATD or ATA command will make the modem try to establish a fax connection. Your modem will send a status report result code back to the DTE (computer). Table 11-4 Status Report Result Codes NO DIAL
  • ZyXEL U-90E | User Guide - Page 118
  • ZyXEL U-90E | User Guide - Page 119
    90E modem. 12.1 The voice AT command specification The following is a summary of the supported AT commands: Table 12-1 Voice AT Commands Command +FCLASS Function Option Voice/data/fax 0,1,2,8,16 Default 0 U90E ZyXEL V1.x 0 Description 0: DATA. 1: CLASS 1 FAX. 2.0: CLASS 2.0 FAX. 8: VOICE. 0:
  • ZyXEL U-90E | User Guide - Page 120
    U-90E Data/Fax Modem Command +VTS +VTD Function Tone Generation Default DTMF tone generation duration. Option Default [x,y,z],{x,z},x NA [x,y,z]: x: 0-3000 Hz y: 0-3000 Hz z: 0- 1000 {x,y} x:0-9,A-D,*,# y:0-1000 x:0-9,A-D,*,# 0-255 50 Description provided with
  • ZyXEL U-90E | User Guide - Page 121
    c d e f Calling Tone Dial tone European Data Modem Calling Tone Bell Answer Tone End of stream U-90E Data/Fax Modem Special Functions 12-3
  • ZyXEL U-90E | User Guide - Page 122
  • ZyXEL U-90E | User Guide - Page 123
    U-90E Data/Fax Modem Chapter 13 Diagnostics The U-90E modems provide several diagnostic capabilities: • Power-on Self-Test capabilities to verify the line condition and the modem's functioning and performance, and to locate the source of a communication problem. 13.1 Power-on Self-test At each
  • ZyXEL U-90E | User Guide - Page 124
    U-90E Data/Fax Modem 13.2 Loopback Tests The Analog Loopback Test, Local Digital Loopback Test the pattern consists of printable ASCII characters. This test can only be initiated when the modem is off-line. The U-90E modem's TST LED flashes for any bit error. 13.2.3 Local Digital Loopback Test (AT&T3
  • ZyXEL U-90E | User Guide - Page 125
    U-90E Data/Fax Modem The U-90E will have the TST LED On during the test. This test can be initiated by the local modem when the modems are on-line. 13.2.4 Remote Digital Loopback Test (AT&T6) This test will request the remote modem to do a digital loopback. During testing, the local modem will send
  • ZyXEL U-90E | User Guide - Page 126
    U-90E Data/Fax Modem 13.4 Link Status Report (ATI2) During a connection, the modem will record information about link Formatted as 7,E,1 or 7,O,1 or 8,N,1 etc.) Data received from or sent to remote modem in error control mode. (Compressed if data compression was enabled.) Framed Octets. (Delimited
  • ZyXEL U-90E | User Guide - Page 127
    U-90E Data/Fax Modem Output Parameter Output Value Description Chars Sent Number of characters DTE has sent to modem Chars Received Number of characters modem has sent to DTE Octets Sent Number of data bytes sent to remote modem Octets Received Number of data bytes received from remote modem
  • ZyXEL U-90E | User Guide - Page 128
    U-90E Data/Fax Modem Output Parameter Output Value Description On-line Protocol error S7 Timer timeout DTR Remote clear down V.8 answer failure (V.8 8.2.1) V.8 negotiation failure (v.8 8.2.3) Fax disabled Retrain failure Fax hang up D/V hang up DM received DISC received LD received 13-6
  • ZyXEL U-90E | User Guide - Page 129
    U-90E Data/Fax Modem Indicator Lights 13.4.1 Retransmission Indicator In the error control mode carrier is detected. The V34 LED will also flash in leasedline modem connections when one modem is trying to handshake but the other modem is not turned on. 13.4.3 Handshaking And Retrain Indicator The HS
  • ZyXEL U-90E | User Guide - Page 130
  • ZyXEL U-90E | User Guide - Page 131
    90E Data/Fax Modem Chapter 14 Upgrading Your Modem 14.1 Upgrading by Flash EPROM 1. Obtain the new firmware by downloading from the ZyXEL BBS, WWW or FTP site. See Contacting ZyXEL for the FTP address. 2. Turn on your computer. 3. Turn on your modem. 4. Start any communications program that supports
  • ZyXEL U-90E | User Guide - Page 132
    U-90E Data/Fax Modem 14.2 Kernel Recovery Mode Your modem is equipped with ZyXEL's exclusive Kernel Recovery Mode. This unique feature enables quick recovery from failed flash uploads. With other modems, a failed flash upload usually results in the user having to return the modem to the factory for
  • ZyXEL U-90E | User Guide - Page 133
    U-90E Data/Fax Modem Chapter 15 Troubleshooting Your modem is designed to provide years of ultra high speed satisfaction. In the unlikely event of you encountering problems using your modem, the tips in this section will help you to identify and resolve them. Most modem problems are a result of
  • ZyXEL U-90E | User Guide - Page 134
    to command state, type the escape sequence code +++. To return to data state, type ATO and press Enter. Problem You receive the ERROR result code after typing an AT command. Solution You may have typed a command that is not recognized by your modem or communications software. 15-2 Troubleshooting
  • ZyXEL U-90E | User Guide - Page 135
    U-90E Data/Fax Modem 15.2 Command Echo Problems Problem You do not see any typed characters on your computer screen. Solutions 1. Make sure the DTR LED is ON. If it is OFF, make sure your communications software is using the same COM port as your modem. 2. Neither your modem nor your communications
  • ZyXEL U-90E | User Guide - Page 136
    each incoming ring. If the LEDs do not respond in this way, refer to your ZyXEL User's Guide. 4. Set &Dφ and auto answer, if your modem is not connected to RS232 or DTR is not ready. Problem When you receive a phone call, your modem immediately seizes control of the telephone line. Solution Your
  • ZyXEL U-90E | User Guide - Page 137
    U-90E Data/Fax Modem 3. Unplug the telephone line cable from the computer and connect it directly to a telephone handset. Check for dial tone. If there is none, the problem is in the telephone line. Call the service provider. 15.5 Data Transfer Problems Problem You can make a data connection with a
  • ZyXEL U-90E | User Guide - Page 138
    U-90E Data/Fax Modem Solutions 1. The remote system may have hung up. Type ATI2 and press Enter to view the link status report, which will include the reason for the disconnect. For information on understanding this report, refer to your ZyXEL User's Guide. 2. You may have subscribed to Call Waiting
  • ZyXEL U-90E | User Guide - Page 139
    U-90E Data/Fax Modem Appendix A Glossary Analog: Not digital. Analog quantities may have any value. Analog loopback test: Testing method in which the modem's analog output signal is connected to the analog input. Answer: In a connection between two modems, one modem works as the recipient (in answer
  • ZyXEL U-90E | User Guide - Page 140
    standard for fax transfers using a fax modem. Currently several drafts exist which are incompatible with each other. ZyXEL modems support the draft is suspended while the modem is in command mode. Compatibility: If components are compatible, they work with each other. COM port: Another name for
  • ZyXEL U-90E | User Guide - Page 141
    U-90E Data/Fax Modem DCE: Data Circuit Terminating Equipment or Communications Equipment - a modem is a DCE. Demodulation: modem's receiver, mixing there with the remote modem's signal. EDR: Extended Distinctive Ring - A feature of ZyXEL modems which helps to distinguish between data, fax
  • ZyXEL U-90E | User Guide - Page 142
    U-90E Data/Fax Modem EPROM: Electrically Programmable Read Only fax units. The graphical data is compressed during transfer (G3). FIFO-Buffer: First-in-first-out buffer. A buffer of this type is used in the 16550 type UARTs which allow higher data throughput rates on PCs. Firmware: The ZyXEL modems
  • ZyXEL U-90E | User Guide - Page 143
    U-90E Data/Fax Modem information exchange. Interrupt: In a computer, some Service Provider. A company that provides subscribers with access to the Internet, usually through telephone lines via modems. LAPM: Link Access Procedure for Modems - a protocol which controls the handshake between two modems
  • ZyXEL U-90E | User Guide - Page 144
    U-90E Data/Fax Modem Parity: A method to check whether a character has been correctly transmitted in asynchronous transfer. Usual settings are even parity and odd parity. In a connection, the modems at both ends must use the same parity settings. Parity bit: The parity bit is sent as additional
  • ZyXEL U-90E | User Guide - Page 145
    U-90E Data/Fax Modem Security function: Features of the ZyXEL modems which help deny illegitimate contacts to your computer system through telephone lines. Self-test: Ability of the modem to check its components and operations for faults. Serial port: Communication path through which data is
  • ZyXEL U-90E | User Guide - Page 146
    U-90E Data/Fax Modem ter: Old French word for three. Terminal equipment: A computer running terminal software is used as terminal equipment in modem connections. Terminal program: A program which emulates the operation of a hardware terminal on a computer's screen and keyboard. Token: A token is a
  • ZyXEL U-90E | User Guide - Page 147
    U-90E Data/Fax Modem Appendix B EIA-232D Interface Signal Pin 1 2 3 4 5 6 7 8 15 ITU-TSS Signal Name 101 103 104 105 106 107 102 109 114 EIA Signal Name AA BA
  • ZyXEL U-90E | User Guide - Page 148
    U-90E Data/Fax Modem Appendix C Phone Jack Pin Assignments The ZyXEL U 90E modem features two RJ-11 phone jacks, one for 2-wire dial-up and 2-wire leased line connection (LINE) and one for an optional connection to a telephone
  • ZyXEL U-90E | User Guide - Page 149
    -4, 10-5, 10-6, 10-9, 10-10 Command Characters, 4-3, 4-9 Customer Support, vii Data Compression, 1-1, 9-1 Data Transmission Speed, 1-1 Diagnostics, 13 Index U-90E Data/Fax Modem Fax Command sets, 11-2 Fax Operation Basics, 11-1 ITU-T T.30 fax protocol, 11-2 Using Modem as Fax, 11-1 Fax Standards,
  • ZyXEL U-90E | User Guide - Page 150
    U-90E Data/Fax Modem Software tips, 4-10 Microsoft Windows, 4-1 Modem Installation, 2-4 Modem operation, 4-1 Non-Volatile Memory, Trouble Shooting Answer Problems, 15-3 AT Command Set Problems, 15-1 Command Echo Problems, 15-2 Connection Problems, 15-5 Data Transfer Problems, 15-4 Dialing Problems
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U-90 E
User’s Guide
Version 1.0
ZyXEL
T
OTAL
I
NTERNET
A
CCESS
S
OLUTION