ZyXEL Communications 56K Plus II, Omni 56K II User Manual

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Omni 56K II and Omni 56K

Plus II

Voice/Fax/Data Modem

User's Guide

Version 1.0

August 2002

Omni 56K II and Omni 56K Plus II User’s Guide

Copyright

The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a retrieval system, translated into any language, or transmitted in any form or by any means, electronic, mechanical, magnetic, optical, chemical, photocopying, manual, or otherwise, without the prior written permission of ZyXEL Communications Corporation.

Disclaimer

ZyXEL does not assume any liability arising out of the application or use of any products, or software described herein. Neither does it convey any license under its patent rights nor the patent rights of others. ZyXEL further reserves the right to make changes in any products described herein without notice. This publication is subject to change without notice.

Trademarks

ZyNOS (ZyXEL Network Operating System) is a registered trademark of ZyXEL Communications, Inc. Other trademarks mentioned in this publication are used for identification purposes only and may be properties of their respective owners.

ii Copyright

Omni 56K II and Omni 56K Plus II User’s Guide

ZyXEL 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 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 discretion, 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 re-manufactured functionally equivalent product of equal value, and will be solely at the discretion 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 of character to the purchaser.

To obtain the services of this warranty, contact ZyXEL's Service Center for your Return Material Authorization number (RMA). Products must be returned Postage Prepaid. It is recommended that the unit be insured when shipped. Any returned products without proof of purchase or those with an out-dated warranty will be repaired or replaced (at the discretion of ZyXEL) and the customer will be billed for parts and labor. All repaired or replaced products will be shipped by ZyXEL to the corresponding return address, Postage Paid. This warranty gives you specific legal rights, and you may also have other rights that vary from country to country.

Online Registration

Don't forget to register your ZyXEL product (fast, easy online registration at www.zyxel.com) for free future product updates and information.

Warranty iii

Omni 56K II and Omni 56K Plus II User’s Guide

Customer Support

Please have the following information ready when you contact customer support.

• Product model and serial number.

• Warranty Information.

• Date that you received your device.

• Brief description of the problem and the steps you took to solve it.

METHOD

LOCATION

WORLDWIDE

AMERICA

Support@zyxel.com.tw

Support@europe.zyxel.com

Sales@zyxel.com.tw

Support@zyxel.com +1-714-632-0882

Sales@zyxel.com

Support@zyxel.dk +45-3955-0700 www.zyxel.dk SCANDINAVIA

Sales@zyxel.dk

Support@zyxel.de +49-2405-6909-0 www.zyxel.de GERMANY

Sales@zyxel.de

Support@zyxel.com.my +603-795-44-688 www.zyxel.com.my MALAYSIA

Sales@zyxel.com.my

E-MAIL

SUPPORT/SALES

+886-3-578-2439 ftp.europe.zyxel.com

+1-714-632-0858 ftp.zyxel.com

+45-3955-0707 ftp.zyxel.dk

+49-2405-6909-99

+603-795-34-407

TELEPHONE/FAX WEB SITE/ FTP SITE REGULAR MAIL

+886-3-578-3942 www.zyxel.com

www.europe.zyxel.com

www.zyxel.com NORTH

800-255-4101

ZyXEL Communications Corp., 6 Innovation Road II, ScienceBased Industrial Park, Hsinchu, 300, Taiwan

ZyXEL Communications Inc., 1650 Miraloma Avenue, Placentia, CA 92870, U.S.A.

ZyXEL Communications A/S, Columbusvej 5, 2860 Soeborg, Denmark

ZyXEL Deutschland GmbH. Adenauerstr. 20/A4 D-52146 Wuerselen, Germany

Lot B2-06, PJ Industrial Park, Section 13, Jalan Kemajuan, 46200 Petaling Jaya Selangor Darul Ehasn, Malaysia

iv Customer Support

Omni 56K II and Omni 56K Plus II User’s Guide

Copyright ...........................................................................................................................................................ii

ZyXEL Limited Warranty................................................................................................................................ iii

Customer Support .............................................................................................................................................iv

List of Figures................................................................................................................................................ viii

List of Tables ....................................................................................................................................................ix

Preface ..............................................................................................................................................................xi

About This User's Guide...............................................................................................................................xi

Related Documentation.................................................................................................................................xi

Syntax Conventions ......................................................................................................................................xi

Chapter 1 Getting To Know Your Modem .................................................................................................... 1-1

1.1 The Omni 56K II and Omni 56K Plus II Modem .......................................................................... 1-1

1.2 Features of the Omni 56K II and Omni 56K Plus II Modem......................................................... 1-1

Chapter 2 Installation ..................................................................................................................................... 2-1

2.1 Panel Descriptions.......................................................................................................................... 2-1

2.2 Connecting Your Omni 56K II (RS-232 Port) ............................................................................... 2-3

2.3 Connecting Your Omni 56K Plus II (USB Port)............................................................................ 2-7

2.4 TCP/IP Setup................................................................................................................................ 2-10

2.5 Dial-Up Networking..................................................................................................................... 2-11

2.6 Installing Bitware From the Included CD .................................................................................... 2-11

Chapter 3 Specifications & Functions............................................................................................................ 3-1

3.1 Specifications ................................................................................................................................. 3-1

3.2 Hardware Specification.................................................................................................................. 3-1

3.3 Firmware Specification .................................................................................................................. 3-1

3.4 Protocol Support ............................................................................................................................ 3-2

Table of Contents v

Omni 56K II and Omni 56K Plus II User’s Guide

3.5 Omni 56K II and Omni 56K Plus II Capability ..............................................................................3-4

3.6 Data Function..................................................................................................................................3-4

3.7 Flow Control...................................................................................................................................3-5

3.8 Hardware CTS/RTS Flow Control..................................................................................................3-5

3.9 Software XON/XOFF Flow Control...............................................................................................3-6

3.10 Error Control...................................................................................................................................3-6

3.11 Data Compression...........................................................................................................................3-6

3.12 Repeat Dial .....................................................................................................................................3-6

3.13 Cyclic Dial ...................................................................................................................................... 3-6

3.14 Caller Number Delivery (Caller ID) ...............................................................................................3-7

3.15 Distinctive Ring ..............................................................................................................................3-9

3.16 Security Function..........................................................................................................................3-10

3.17 Fax function ..................................................................................................................................3-12

3.18 Voice Function..............................................................................................................................3-12

Chapter 4 Result Codes...................................................................................................................................4-1

4.1 Result Codes ...................................................................................................................................4-1

Chapter 5 Command Sets ...............................................................................................................................5-1

5.1 Data command sets .........................................................................................................................5-1

5.2 Fax command sets.........................................................................................................................5-11

5.3 Voice AT Commands ...................................................................................................................5-22

5.4 Voice Shielded DTE Commands..................................................................................................5-24

5.5 Voice Shielded DTE Responses ...................................................................................................5-24

5.6 S-Register Descriptions ................................................................................................................5-25

Chapter 6 Firmware Upgrade .........................................................................................................................6-1

6.1 Upgrading by Software...................................................................................................................6-1

6.2 Upgrading by Terminal Program....................................................................................................6-1

Chapter 7 Troubleshooting .............................................................................................................................7-1

vi Table of Contents

Omni 56K II and Omni 56K Plus II User’s Guide

Index .................................................................................................................................................................A

Table of Contents vii

Omni 56K II and Omni 56K Plus II User’s Guide

List of Figures

Figure 2-1 Omni 56K Plus II Rear Panel and Connections ............................................................................2-2

Figure 2-2 Windows 98 Add New Hardware Wizard.....................................................................................2-4

Figure 2-3 Windows Me Add New Hardware Wizard ...................................................................................2-5

Figure 2-4 Windows 2000 Found New Hardware Wizard .............................................................................2-5

Figure 2-5 Windows XP Hardware Update Wizard .......................................................................................2-6

Figure 2-6 Windows 98 Add New Hardware Wizard.....................................................................................2-7

Figure 2-7 Windows Me Add New Hardware Wizard ...................................................................................2-8

Figure 2-8 Windows 2000 Upgrade Device Driver Wizard ...........................................................................2-8

Figure 2-9 Windows XP Hardware Update Wizard .......................................................................................2-9

Figure 2-10 Bitware Master Setup................................................................................................................2-11

viii List of Figures

Omni 56K II and Omni 56K Plus II User’s Guide

List of Tables

Table 2-1 Front Panel LEDS For Omni 56K Plus II...................................................................................... 2-1

Table 2-2 Front Panel LEDs for Omni 56K II ............................................................................................... 2-1

Table 2-3 Back Panel Description.................................................................................................................. 2-2

Table 3-1 Hardware Specifications................................................................................................................ 3-1

Table 3-2 Firmware Specifications................................................................................................................ 3-1

Table 3-3 Feature Description........................................................................................................................ 3-4

Table 3-4 Physical Layer Capacity ................................................................................................................ 3-4

Table 3-5 Different Ring Types in Register S40............................................................................................ 3-9

Table 3-6 Modem Security Function ........................................................................................................... 3-11

Table 3-7 Fax Physical Layer Capacity ....................................................................................................... 3-12

Table 4-1 Result Codes.................................................................................................................................. 4-1

Table 5-1 Basic AT Command Sets............................................................................................................... 5-1

Table 5-2 AT Command Sets Requiring an "AT" Prefix............................................................................... 5-1

Table 5-3 Extended AT& Command Sets...................................................................................................... 5-4

Table 5-4 Extended AT* Command Sets....................................................................................................... 5-9

Table 5-5 Extended AT# Command Sets..................................................................................................... 5-10

Table 5-6 Service Class 1 Commands.......................................................................................................... 5-11

Table 5-7 The Value of <MOD> Parameters............................................................................................... 5-11

Table 5-8 Service Class 2 Command Syntax............................................................................................... 5-13

Table 5-9 Service Class 2 Commands Supported Commands (per TIA PN2388 8/20/90).......................... 5-13

Table 5-10 Class 2 Command Responses......................................................................................................... 5-17

Table 5-11 Service Class 2.0 Commands..................................................................................................... 5-18

Table 5-12 Voice AT Commands ................................................................................................................ 5-22

Table 5-13 Voice Shielded DTE Commands............................................................................................... 5-24

List of Tables ix

Omni 56K II and Omni 56K Plus II User’s Guide

Table 5-14 Voice Shielded DTE Responses.................................................................................................5-24

Table 5-15 Basic S-Registers "ATSn=x"......................................................................................................5-25

Table 5-16 Extended S-Registers "ATSn=x"................................................................................................5-26

Table 7-1 Troubleshooting..............................................................................................................................7-1

x List of Tables

Omni 56K II and Omni 56K Plus II User’s Guide

Preface

Thank you for purchasing the ZyXEL Omni 56K II /Omni 56K Plus II modem.

information.

About This User's Guide

This manual is designed to guide you through the installation and configuration of your modem.

Getting To Know Your Modem

This chapter introduces you to the features and specifications for the ZyXEL Omni 56K II and

Omni 56K Plus II modems.

1.1 The Omni 56K II and Omni 56K Plus II Modem

The Omni 56K II and Omni 56K Plus II are analog Data/Fax/Voice modems used for Internet access via telephone wire. The Omni 56K Plus II also supports a Universal Serial Bus (USB) connection to a computer. Both modems can run upstream maximum rates of 48 kilobits per second (Kbps) and downstream rates of 56Kbps. The actual rate depends on the line quality, the distance to the exchange and server side configuration.

1.2 Features of the Omni 56K II and Omni 56K Plus II Modem

ZyDAS Fifth Generation Data Pump with V.92 Capability

The Omni 56K II and Omni 56K Plus II modems provide the v.92 quick connect feature. This feature can shorten the modem handshaking time and therefore reduces the wait time and associated dial-up cost for each new connection.

V.92: 56K Down-stream and 48K Up-stream Data Transmission

The Omni 56K II and Omni 56K Plus II modems comply with the V.92 standard for data communications. This means that your modem is able to communicate at 56K on data communications originating from your service provider and at 48K on communications going to your service provider.

Microsoft Windows 95/98/2000/Me/XP: RS-232 Plug and Play Compatible

Your modem provides the convenience of simply being connected to the serial port on your computer. The serial port is a dedicated communications port and allows for optimum data speeds between your computer and modem.

Microsoft Windows 98/2000/Me/XP: USB Plug and Play Compatible (Omni 56K Plus II)

The Omni 56K Plus II modem is fully compliant to the USB 1.1 standard. You can use the USB port to install the Omni 56 Plus II without having to restart your computer.

Getting to Know Your Modem 1-1

Omni 56K II and Omni 56K Plus II User’s Guide

Hot-swappable with Other USB Devices (Omni 56K Plus II)

The USB option allows you to simply plug in or disconnect your modem without the need for lengthy computer restarts. This timesaving benefit simplifies the installation process as well as providing a quick and easy way to transfer your modem between different computers.

Automatic Data/Fax Call Detection

The Omni 56K II and Omni 56K Plus II modems can automatically answer an incoming call and ascertain whether that call is a data or a fax call. When used with the supplied software, this feature will allow you to use your modem as a powerful communications device that can receive calls, broadcast and receive messages from voice boxes, and receive faxes on one phone line.

G3 14.4Kbps Fax Send/Receive

Your modem supports the V.17 fax standard that will allow for fax speeds of up to 14400 bps when transmitting to another V.17 fax machine. When connecting to an earlier G3 fax device, your modem operates at speeds up to 9600.

Support Fax Class 1, Class 2 and Class 2.0 Command Set

The fax facilities as offered on the Omni 56K II and Omni 56K Plus II modems provide full compatibility with the class 1, class 2 and class 2.0 command sets. This compatibility means that your fax modem is fully configurable with a wider range of options that can be optimized if need be.

Voice Digitization (via the IS-101 Command Set) and Compression

The IS-101 Command Set is a defined standard that details the voice recording and playback capability of a data communications device. The Omni 56K II and Omni 56K Plus II modems follow this standard and this allows for the recording and transmission of digitized voice and voice/data.

When activated, this feature provides the ability to digitize incoming voice messages, which the computer stores and either plays back at your request, or forwards onto other remote devices. This means that the modem can playback a recorded digitized voice online for the use of message announcements or act as a separate answering service.

Data Compression and Error Correction

Data compression is utilized to reduce the number of bits actually sent and received. This saves on the actual amount of data being sent and therefore increases the modem's speed (or throughput). Error correction protocols are used so that the compressed data can be accurately decompressed on the receiving end.

Omni 56K II and Omni 56K Plus II modems support V.44, V.42bis and MNP5 data compression protocols as well as MNP4/V.42 error correction. MNP5 is used with MNP4 error control; V.44 and V.42bis are used with V.42 error control. The compression efficiency of V.42bis is generally higher than that of MNP5.

1-2 Getting to Know Your Modem

Omni 56K II and Omni 56K Plus II User’s Guide

Flash ROM Upgradeable

ZyXEL has a policy of free distribution of new firmware when it becomes available. You can download the updated firmware from www.zyxel.com

and install it in your modems.

Getting to Know Your Modem 1-3

Omni 56K II and Omni 56K Plus II User’s Guide

Chapter 2

Installation

This chapter guides you through the installation process for your modem.

2.1 Panel Descriptions

2.1.1 Front Panel LEDs

The descriptions of the front panel LEDs are listed below:

Table 2-1 Front Panel LEDS For Omni 56K Plus II

LED FUNCTION STATUS DESCRIPTION

USB USB indication ON

OFF

OH Hook Status ON

OFF

DATA Data Traffic ON

OFF

MR Modem Ready ON

OFF

The USB link is up. The USB link is down or the modem is in RS-232 mode.

The modem is off hook. The modem is on hook.

The modem is sending or receiving data. The modem is not sending or receiving data.

The modem is ready. The modem is not ready.

Table 2-2 Front Panel LEDs for Omni 56K II

LED FUNCTION STATUS DESCRIPTION

V.92 V.92 mode ON

OFF

OH Hook Status ON

OFF

DATA Data Traffic ON

OFF

MR Modem Ready ON

OFF

The modem is operating in V.92 mode. The modem is not operating in V.92 mode.

The modem is off hook. The modem is on hook.

The modem is sending or receiving data. The modem is not sending or receiving data.

The modem is ready. The modem is not ready.

Installation 2-1

Omni 56K II and Omni 56K Plus II User’s Guide

2.1.2 Back Panel

Table 2-3 Back Panel Description

LABEL DESCRIPTION

ON/OFF The power switch for the modem.

AC IN This receptacle is the power input socket and is used to plug the power adapter

into the modem.

RS-232 This serial port DB-9 female connector is used to plug the RS-232 cable from

serial port of a DTE or computer.

USB (Omni 56K Plus II only)

LINE Connect this analog RJ-11 port to a wall phone jack.

PHONE Connect this analog RJ-11 port to your telephone.

A Universal Serial Bus connector that connects to the USB port on your computer or to an USB hub.

Figure 2-1 Omni 56K Plus II Rear Panel and Connections

2-2 Installation

Omni 56K II and Omni 56K Plus II User’s Guide

The rear panel for the Omni 56K Plus II is identical to the rear panel of the Omni 56K Plus II, except that the Omni 56K II does not have the USB port.

2.2 Connecting Your Omni 56K II (RS-232 Port)

Step 1. Connect your modem to your analog phone or fax.

Step 2. Use the phone cord included to connect to the phone jack on the wall.

Step 3. Plug one end of your RS-232 cable to your modem and the other end to your computer's serial

port.

Step 4. Use the included power adaptor to connect your modem to the power outlet. Turn on the

modem

Step 5. Turn on your computer and insert the included CD.

2.2.1 Driver Installation

Windows automatically starts an installation wizard when it detects new hardware. Use the wizard to select the driver on your included CD. Browse to D:\Drivers\Omni56KII (where D: is your CD-ROM drive), and click Next or OK.

Installation 2-3

Omni 56K II and Omni 56K Plus II User’s Guide

Figure 2-2 Windows 98 Add New Hardware Wizard

2-4 Installation

Omni 56K II and Omni 56K Plus II User’s Guide

Figure 2-3 Windows Me Add New Hardware Wizard

Figure 2-4 Windows 2000 Found New Hardware Wizard

Installation 2-5

Omni 56K II and Omni 56K Plus II User’s Guide

Figure 2-5 Windows XP Hardware Update Wizard

Click Yes or Continue Anyway if a warning screen appears.

Restart your computer if prompted.

If Windows does not automatically detect your modem, make sure that the modem is connected and turned on. Then restart your computer or use the add new hardware option in Control Panel to start the installation wizard. Browse on the CD to the location described above.

2-6 Installation

Omni 56K II and Omni 56K Plus II User’s Guide

2.3 Connecting Your Omni 56K Plus II (USB Port)

Step 1. Connect your modem to your analog phone or fax.

Step 2. Use the phone cord included to connect to the phone jack on the wall.

Step 3. Plug one end of your USB cable to your modem and the other end to your computer's USB port.

Step 4. Use the included power adaptor to connect your modem to the power outlet. Turn on the

modem.

Step 5. Insert the included CD into your CD-ROM drive.

2.3.1 Driver Installation

Windows automatically starts an installation wizard when it detects new hardware. Use the wizard to select the driver on your included CD. Browse to D:\Drivers\Omni56KPlusII (where D: is your CD-ROM drive) and the folder for your Windows OS; then click Next or OK.

Figure 2-6 Windows 98 Add New Hardware Wizard

Installation 2-7

Omni 56K II and Omni 56K Plus II User’s Guide

Figure 2-7 Windows Me Add New Hardware Wizard

Figure 2-8 Windows 2000 Upgrade Device Driver Wizard

2-8 Installation

Omni 56K II and Omni 56K Plus II User’s Guide

Figure 2-9 Windows XP Hardware Update Wizard

Click Yes or Continue Anyway if a warning screen appears.

Restart your computer if prompted.

If Windows does not automatically detect your modem, make sure that the modem is connected and turned on. Unplug the USB cable and plug it back in or use the add new hardware option in Control Panel to start the installation wizard. Browse on the CD to the location described above.

Installation 2-9

Omni 56K II and Omni 56K Plus II User’s Guide

2.4 TCP/IP Setup

2.4.1 Installing TCP/IP in Windows 95/98/Me

Click Start, Settings, Control Panel and double-click the Network icon.

Click Add in the Network window Configuration tab.

Select Protocol and then click Add.

Select Microsoft from the list of manufacturers.

Select TCP/IP from the list of network protocols and then click OK.

2.4.2 Configuring TCP/IP in Windows 95/98/Me

In the Network window Configuration tab, select your network adapter’s TCP/IP entry and click Properties.

Click the IP Address tab. If your ISP gave you an IP address, select Specify an IP address and enter your IP address and subnet mask. Otherwise, click Obtain an IP address automatically.

Click the DNS Configuration tab. Select Enable DNS, enter your Host name, Domain name, and the DNS of your ISP, then click OK.

Click the Gateway tab. Highlight any installed gateways and click Remove until none are listed.

Click OK to save and close the TCP/IP Properties window.

Click OK to close the Network window.

Restart your computer if prompted. Insert the Windows CD if prompted.

2.4.3 Configuring TCP/IP in Windows NT/2000/XP

From the Control Panel, click Network and Dial-up Connections (Network Connections in XP) and right-click your modem’s icon and click Properties.

Select Internet Protocol (TCP/IP) (under the General tab in Win XP) and click Properties.

The Internet Protocol TCP/IP Properties window opens. If your ISP gave you an IP address, select Use

the following IP address: and enter your IP address, subnet mask and default gateway: then select Use the following DNS server addresses. Otherwise, select Obtain an IP address automatically and Obtain DNS server automatically.

Click Advanced and remove any installed gateways in the IP Settings tab, then click OK.

Click OK to save and close the TCP/IP Properties window.

2-10 Installation

Omni 56K II and Omni 56K Plus II User’s Guide

Click OK to close the Network window.

Restart your computer if prompted. Insert the Windows CD if prompted.

2.5 Dial-Up Networking

Fill in the wizard screens with information from your ISP to create a new dial-up connection.

Windows 98: Click Start, Programs, Accessories, Communications, Dial-Up Networking.

Double-click the Make New Connection icon.

Windows 2000/Me: Click Start, Settings, Network and Dial-Up Connections, Make New Connection.

Windows XP: Click start, All Programs, Accessories, Communications, New Connection Wizard.

After you set up the connection, click or double click the new connection. A pop-up window requests your username and password.

2.6 Installing Bitware From the Included CD

Bitware software lets you transmit faxes or talk on the telephone while using the Internet.

Insert the included CD. Choose the Bitware program from the Product list-box, and select your Windows system and language on the right side, then click Install. Follow the wizard to complete the installation process.

Figure 2-10 Bitware Master Setup

Installation 2-11

Omni 56K II and Omni 56K Plus II User’s Guide

Chapter 3

Specifications & Functions

This chapter introduces the specifications and functions of the Omni 56K II and Omni 56K Plus II

modems.

This chapter and the next three chapters are designed for advanced users who might need more information about the Omni 56K II and Omni 56K Plus II modem's specifications and functions when programming or using other applications.

3.1 Specifications

3.2 Hardware Specification

Table 3-1 Hardware Specifications

ITEM SPECIFICATION DESCRIPTION

Power Requirements 9V AC

Operating Requirements

Weight 215g

Dimensions 166mm (W) x 40mm (H) x 84mm (L)

Temperature: 0° C to 40° C Humidity: 5 to 90 % (non-condensing)

3.3 Firmware Specification

Table 3-2 Firmware Specifications

PHYSICAL LAYER FOR DATA

MODE

Specifications and Functions 3-1

Multi-Auto V.92 V.90 V.34bis 33.6 Kbps to 2.4 Kbps V.34 28.8 Kbps to 2.4 Kbps V.32bis 14.4/12/9.6/7.2/4.8 Kbps V.32 9.6/4.8 Kbps V.23 1200/600/75 b

Omni 56K II and Omni 56K Plus II User’s Guide

V.22bis 2.4 Kbps V.22/Bell 212A 1.2K bps V.21/Bell 103 300 bps Auto Fallback/Forward

LINK LAYER

FLOW CONTROL

COMMAND SET

DIAGNOSTICS

FAX

VOICE

MNP 3-4 MNP 5 V42 V42bis V42 SREJ V44

Hardware flow control: RTS/CTS Software flow control: XON/XOFF

Full AT command set Dialing type: DTMF/Pulse

Power on self test Analog loop-back test Analog loop-back with self-test Local digital loop-back test Remote digital loop-back test Remote digital loop-back with self-test

V.17 FAX (send and receive) V.29 G3 FAX (send and receive) V.27ter G3 FAX (send and receive) EIA Class 1 Command Set EIA Class 2 Command Set EIA Class 2.0 Command Set

4 bits / sample ADPCM, 9600 samples / second Online voice playback and recording. IS-101 voice command set.

3.4 Protocol Support

 Data Physical Layer

. ITU-T V.92

. ITU-T V.90

. ITU-T V.34bis/V.34

. ITU-T V.32bis/V.32

3-2 Specifications and Functions

. ITU-T V.22bis/V.22

. ITU-T V.21

. ITU-T V.23

. Bell 212A

. Bell 103

 Fax Physical Layer

. ITU-T V.17

. ITU-T V.29

. ITU-T V.27ter

. ITU-T V.21

 Error Control and Data Compression

. ITU-T V.44

. ITU-T V.42

. ITU-T V.42bis

. MNP3-5

Omni 56K II and Omni 56K Plus II User’s Guide

 Command Sets

. Standard command set

. EIA Class 1 Fax Command set

. EIA Class 2.0 Fax Command set

. ZyXEL AT Command set

. IS101 Voice Command set

For more information on detailed command sets, please refer to Chapter 5.

Specifications and Functions 3-3

Omni 56K II and Omni 56K Plus II User’s Guide

3.5 Omni 56K II and Omni 56K Plus II Capability

The data/fax/voice feature of Omni 56K II and Omni 56K Plus II is described below:

Table 3-3 Feature Description

FEATURE DESCRIPTION

Data

Fax

Voice

2W Dial-Up Line Multi-auto/V.92/V.90/V.34bis/V.34/V.32bis/V.32/V.22bis/V.22/ Bell212A Hardware/Software Flow Control Error Control/Data Compression ZyXEL AT Command Set External Plug and Play for Windows 95/98/2000/Me/XP in RS232 mode External Plug and Play for Windows 98 /2000/Me/XP in USB mode Repeat Dial/Cyclic Dial Caller ID Distinctive Ring AT Protection for software application

V.17/V.29/V.27ter G3 T.30 Protocol EIA Class 1/ Class 2/ Class 2.0 command set

4 bit IMA ADPCM Remote Recording on PC storage IS-101 Command Set

3.6 Data Function

3.6.1 Physical Layer Capability

The Omni 56K II and Omni 56K Plus II modems are high performance universal modems capable of transmission speeds up to 56/48Kbps full-duplex on a 2-wire dial-up line. Universal compatibility covers a broad range of ITU-T and BELL standards.

Table 3-4 Physical Layer Capacity

STANDARD BIT RATE [BPS] BAUD RATE

[BAUD]

V.92 – upstream 24000-48000 8000 PCM 0

V.92 – downstream 28000-56000 8000 PCM 0

V.90 28000-56000 8000 PCM 0

3-4 Specifications and Functions

MODULATION CARRIER

FREQUENCY [HZ]

Omni 56K II and Omni 56K Plus II User’s Guide

STANDARD BIT RATE [BPS] BAUD RATE

[BAUD]

V.34bis/V.34 2400-33600 multiple TCM multiple

V.32bis 14400 2400 128-TCM 1800

V.32bis 12000 2400 64-TCM 1800

V.32bis 7200 2400 16-TCM 1800

V.32 9600 2400 32-TCM 1800

V.32 uncoded 9600 2400 16-QAM 1800

V.32 4800 2400 4-DPSK 1800

V.23 1200/75 1200/75 FSK

V.23 600/75 600/75 FSK

V.22bis 2400 600 16-QAM 1200 Call

V.22 (BELL 212A)

V.21 300 300 FSK

BELL 103 300 300 FSK

1200 600 4-DPSK 1200 Call

MODULATION CARRIER

FREQUENCY [HZ]

2400 Ans

3.7 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 Omni 56K II and Omni 56K Plus II provide two kinds of flow control methods.

3.8 Hardware CTS/RTS Flow Control

This is a bi-directional flow control where CTS (Clear to Send) and RTS (Ready to Send) are RS-232 signals that must be available on your computer. CTS is an RS-232 signal that means the device can send data now. RTS signifies that the device is now ready to receive data. Both CTS and RTS are hardware methods of flow control.

Specifications and Functions 3-5

Omni 56K II and Omni 56K Plus II User’s Guide

3.9 Software XON/XOFF Flow Control

This is a bi-directional flow control. XON and XOFF character defaults are decimals 17 and 19. These can be changed by modifying the S-Registers S31 and S32.Both the modem and the DTE will treat XOFF as a signal to stop transmitting data and will treat XON as a signal to restart sending data. Modems will not send these characters received from the local DTE to the remote modem.

3.10 Error Control

Error control keeps the modem data link error-free by detecting and re-transmitting erroneous data. The Omni 56K II and Omni 56K Plus II modems support both MNP and V.42 error control protocols. The MNP protocol was an industry standard developed and licensed by Microcom, Inc. Omni 56K II and Omni 56K Plus II modems support level 4 and 3 error control protocols, commonly denoted as MNP4 and MNP3. V42 is a standard developed by CCITT. V.42 supports both LAPM and MNP4. A V.42 handshake will try an LAPM connection first, and if it is not successful, it will try MNP4.

3.11 Data Compression

In the modem, the data compression is activated to reduce the number of bits actually sent. The receiving modem applies these techniques in reverse to recover the actual data from the compressed data stream.

The Omni 56K II and Omni 56K Plus II modems support V.44, V.42bis and MNP5 data compression protocols. Data compression needs an error-free data link to work correctly, otherwise the corrupted compressed data stream will ruin the decompression process. MNP5 is used with MNP4 error control, V.44 and V.42bis are used with V.42 error control. The compression efficiency of V.42bis is generally higher than that of MNP5.

3.12 Repeat Dial

The modem will dial the default number stored in non-volatile RAM, EEPROM, repeatedly if not connected. (s38.0=1,*Dn)

3.13 Cyclic Dial

Dial the number stored in EEPROM at location n(0-3) if cyclic dial s44.3=1 is set. If the first dial is not successful, the modem will cycle dial through the four numbers stored in memory.

3-6 Specifications and Functions

Omni 56K II and Omni 56K Plus II User’s Guide

3.14 Caller Number Delivery (Caller ID)

Caller Number Delivery (CND), commonly called Caller ID, is a feature that may be offered by your local phone company. Check your phone company for availability. You must subscribe to it and usually pay an additional monthly service charge for this service.

With CND service, the phone company's central office will send the coded caller information to the called station. This information is sent once between the first and second ring. Your modem can decode this caller information and present it to the connected computer/terminal during the second ring period as part of the call progress ring message. The modem will also report the Caller ID information if asked by the command AT*T.

There are two kinds of caller information message 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 with the phone company.

The command ATS40.2=n is used to enable (n=1) or disable (n=0) the Caller ID detection function. The default is disabled. Enable it only when you have this service and want to enable its detection.

The Caller ID message may cause some communication software that is not expecting it to become confused. If you plan to use the Caller ID feature, be sure you are using software that supports it.

In single message format, the modem will send a ring message to the terminal as follows:

RING

TIME: <MM-DD hh:mm>

CALLER NUMBER: <CALLER_ID> or CALLER NAME:<CALLER_NM>

RING

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 time, and CALLER_ID is the phone number of the caller or CALLER_NM his/her name.

The following is an example of a caller ID message as it might appear on your screen:

RING

TIME: 04-28 12:30

CALLER NUMBER: 7135551414 or CALLER NAME: Brent Harper

Specifications and Functions 3-7

Omni 56K II and Omni 56K Plus II User’s Guide

RING

In the multiple message format, if the caller's number and name are available, the ring message will display both:

RING

TIME: MM-DD hh:mm

CALLER NUMBER: <Caller_ID>

CALLER NAME: <Caller_Name>

RING

Here is an example:

RING

TIME: 04-28 12:30

CALLER NUMBER: 7135551414

CALLER NAME: Tracy Huang

RING

If the caller number and name are not available, the ring message will appear as follows:

RING

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.

3-8 Specifications and Functions

Omni 56K II and Omni 56K Plus II User’s Guide

Setting S48.0=1 will cause the modem to report CND information in its ASCII coded hexadecimal raw data format. The DTE software is responsible for explaining the data.

Please refer to the Bellcore Technical Advisory document TR-NWT-000030 for the exact data format. The above Caller ID scheme applies to the North America area.

Different countries may employ different Caller ID schemes, check if the scheme

used in your country is supported before using the Caller ID feature. For most

other Caller ID schemes, only the Caller telephone number is provided.

3.15 Distinctive Ring

Distinctive Ring is a phone service that may be offered by your phone company. Check your phone company for availability. With this service, you can have several phone numbers assigned to the same phone line. The phone company will send a different type of ring signal for each phone number being called. The subscriber can distinguish which number is called by which type of ring is received.

One benefit of this feature is the ability to have three numbers on the same line allowing you to list the three numbers for voice, data, and fax, respectively. You can then have your fax machine answer only the ring corresponding to the fax number and have your modem answer only the ring corresponding to the data number. A voice call will not be answered by either a fax or data machine - it will only be answered when someone picks up the phone. You can also have the answering machine answer only the voice ring. A more complicated use is that you can have one number for multiple uses, such as one number for both data and fax.

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 can distinguish up to four types of ring signals and can be commanded to answer or not answer any one of these four types of ring signals. Following is a list of these four types of ring signals. These are the ring types used in the USA. The difference among the ring types is the two-second ON part of the ring signal. It comprises a long, double short, or triple short ring.

S-register S40 bits 3-6 are used for distinctive ring control. Each bit controls the answering of a particular ring type. Setting a bit to "1" enables answering, setting it to "0" rejects the ring. Note that the ring may still be heard even if it is not counted as an accepted ring by the modem.

The control relationships between bits 3-6 in register S40 and the different ring types are:

Table 3-5 Different Ring Types in Register S40

TYPE BIT (ON) RING SEQUENCE

1 3 1.2s or 2s on; 4s off

2 4 0.8s on, 0.4s off, 0.8s on; 4s off

Specifications and Functions 3-9

Omni 56K II and Omni 56K Plus II User’s Guide

TYPE BIT (ON) RING SEQUENCE

3 5 0.4s on, 0.2s off, 0.4s on, 0.2s off, 0.8s on; 4s off

4 6 0.3s on, 0.2s off, 1s on, 0.2s off, 0.3s on; 4s off

3.16 Security Function

The Omni 56K II and Omni 56K Plus II modems provide a security function, which (when enabled) prevents an unauthorized user from making a connection. Two types of security function are provided. Type 1 security is used when the remote modem is also a ZyXEL modem; type 2 security is used when the remote modem is any other brand of modem.

With the type 1 connection, the dial-in (remote) modem will send in its supervisor password for checking at the initial connection handshake, and the local modem will check this password against its pre-stored acceptable password list. With a type 2 connection, the remote terminal will be prompted to enter the password at the initial connection and the local modem will do the password checking.

Two levels of security are provided. With level 1 security, the local modem will maintain the connection if the password check is OK, otherwise the line will be disconnected. With level 2 security, the local modem disconnects the line if the password has been found in its pre-stored acceptable list and then dials back to the phone number corresponding to the dial-in password. The line is simply disconnected if the password does not march.

4 user passwords may be defined. The corresponding 4 dial-back numbers are the modem's 4 stored phone numbers. Any character (ASCII 0-127) can be used in the password field and the maximum password length is 8 characters.

The security functions are only accessible through AT commands in terminal mode. Any access attempt will result in the modem's prompting to enter the supervisor password. The attempt will be rejected if the entered password is not correct. The default supervisor password is ZyXEL when the modem is shipped from the factory. This supervisor password is also the password sent for automatic password checking in a type 1 connection. To modify the supervisor password, use

AT*HS

You will be asked for the original password and a new password, and then to re-enter the new password for verification. For example:

PASSWORD (Enter supervisor password)

********

PASSWORD (Enter new supervisor password)

********

3-10 Specifications and Functions

Omni 56K II and Omni 56K Plus II User’s Guide

Verify (Enter the new supervisor password again)

********

The command AT*Hn modifies the nth user password and the supervisor password on the screen for viewing. Again, the modem prompts you enter the supervisor password first.

The commands below enable different types and levels of security:

Table 3-6 Modem Security Function

CODE DESCRIPTION

*G0 Disables security function.

*G1 Enables type 1 and level 1 security, with password check.

*G2 Enables type 1 and level 2 security, with password check and callback.

*G3 Enables type 1 and level 1 security, with password check.

*G4 Enables type 1 and level 2 security, with password check and callback.

*G5 Enables type 2 and level 2 security, with password check and callback,

remote site enters the callback number.

Before the security type or level can be changed, the modem requires the

supervisor password.

For type 2 security, the remote site is prompted to enter the user password. A

maximum of 3 tries in 40 seconds is allowed. If a correct password is not entered

within this time limit, the modem disconnects. If the remote site needs to enter the

callback number, it will be prompted to do so.

Specifications and Functions 3-11

Omni 56K II and Omni 56K Plus II User’s Guide

3.17 Fax function

3.17.1 Fax Physical Layer Protocol

Table 3-7 Fax Physical Layer Capacity

STANDARD BIT RATE [BPS] BAUD RATE

[BAUD]

V.17 14400-7200 2400 TCM 1800

V.29 9600-4800 2400 QAM/DPSK 1700

V.27ter 4800-2400 1600/1200 PSK/DPSK 1800

V.21 300 300 FSK

MODULATION CARRIER

FREQUENCY [HZ]

3.17.2 EIA Class 1/Class 2 & Class 2.0 Command Sets

Please refer to Section 5.2 Fax Command Sets.

3.17.3 ITU-T T.30 Fax Protocol

The ITU-T T.30 fax protocol is known as the G3 fax handshake signals and procedures. The modem takes full control of this protocol - initiating and terminating fax calls, managing the communication session, and transporting the image data. Therefore, the modem relieves the computer fax software of the T.30 protocol handling.

You modem allows for fax speeds up to 14400 bps when transmitting to another fax machine that complies with the V.17 fax standard. Speeds will fall back to 12000, 9600, or 7200 bps 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.

3.18 Voice Function

Voice capability stands for the modem's ability to digitize incoming voice messages, which the computer stores and forwards. It also means that the modem can playback the recorded digitized voice online for a message announcement.

3.18.1 Voice IS-101 Command Set

Please refer to the voice command sets Chapter 5.

3-12 Specifications and Functions

Omni 56K II and Omni 56K Plus II User’s Guide

3.18.2 4-bit Voice Data Compression

The main issue in the digitized voice mode is the amount of storage required. A relatively simple ADPCM algorithm can reduce the speech data rate to half the rate and maintain about the same voice quality. This algorithm can also be used to reduce the speech data rate to 1/3 or 1/4 of the original rate, but with voice quality degradation. 4-bit ADPCM is used in the Omni 56K II and Omni 56K Plus II modems.

Specifications and Functions 3-13

Omni 56K II and Omni 56K Plus II User’s Guide

Chapter 4

Result Codes

This chapter details the command responses for the Omni 56K II and Omni 56K Plus II modems.

4.1 Result Codes

The result code is the command response or the Connect message to the DTE. The format of the result code is dependent on the Xn and Vn commands. The lists are as follows:

Table 4-1 Result Codes

RESULT CODE FOR

ATV0 ATV1

0 OK

1 CONNECT

2 RING

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 CONNECT 7200

X0 X1 X2 X3 X4 X5 X6 X7

● ● ● ● ● ● ● ●

● ● ● ● ● ╬ ╬ ╬

● ● ● ● ● ● ● ●

● ● ● ● ╬ ╬ ╬

● ● ● ● ●

● ● ● ● ╬ ╬ ╬

● ● ● ●

Result Codes 4-1

Omni 56K II and Omni 56K Plus II User’s Guide

RESULT CODE FOR

ATV0 ATV1

16 CONNECT 12000

17 CONNECT 14400

18 CONNECT 16800

19 CONNECT 38400

20 CONNECT 57600

21 CONNECT 76800

22 CONNECT 115200

23 CONNECT 230400

24 CONNECT 460800

25 CONNECT 921600

26 CONNECT 307200

27 CONNECT 153600

28 CONNECT 102400

29 CONNECT 61440

CONNECT 51200

CONNECT624000

CONNECT124800

X0 X1 X2 X3 X4 X5 X6 X7

● ● ● ● ╬ ╬ ╬

● ● ● ● ╬

●

╬

●

33 CONNECT 62400

34 CONNECT 41600

35 CONNECT 31200

36 CONNECT 24960

37 CONNECT 20800

38 CONNECT 33600

39 CONNECT 28800

40 CONNECT 26400

● ● ● ● ╬

● ● ● ● ╬ ╬ ╬

● ● ● ● ╬

● ● ● ● ╬ ╬ ╬

4-2 Result Codes

Omni 56K II and Omni 56K Plus II User’s Guide

RESULT CODE FOR

ATV0 ATV1

100 CONNECT 56000

101 CONNECT 54666

102 CONNECT 53333

103 CONNECT 52000

104 CONNECT 50666

105 CONNECT 49333

106 CONNECT 48000

107 CONNECT 46666

108 CONNECT 45333

109 CONNECT 44000

110 CONNECT 42666

111 CONNECT 41333

112 CONNECT 40000

CONNECT 24000

CONNECT21600

X0 X1 X2 X3 X4 X5 X6 X7

● ● ● ● ╬ ╬ ╬

113 CONNECT 38666

114 CONNECT 37333

115 CONNECT 36000

116 CONNECT 34666

117 CONNECT 33333

118 CONNECT 32000

119 CONNECT 30666

120 CONNECT 29333

121 CONNECT 28000

● ● ● ● ╬ ╬ ╬

Result Codes 4-3

Omni 56K II and Omni 56K Plus II User’s Guide

Note: If error control result codes are enabled (X4, X5, X6, X7), the resulting message will be formatted as:

X4: CARRIER Rx Rate.

PROTOCOL: Error Control Level

COMPRESSION: Compression Level

CONNECT DTE Speed

X5: CONNECT DTE Speed/Protocol Rx Rate/Error control level

X6: CONNECT Rx Rate/ARQ

X7: CONNECT Rx Rate/ARQ/Error control level

ARQ denotes that the Automatic Retransmission reQuest type of error control is enabled.

4-4 Result Codes

Omni 56K II and Omni 56K Plus II User’s Guide

Chapter 5

Command Sets

This chapter lists the command sets that the Omni 56K II and Omni 56K Plus II modems support.

These commands include data command sets, fax command sets and voice command sets.

5.1 Data command sets

5.1.1 Basic AT Command Sets

Table 5-1 Basic AT Command Sets

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

A/ Re-execute the last command once.

A> Re-execute the last command once or repeat the

last call up to 9 times. (See also S8)

<any key> This command terminates the current connection

attempt when entered in handshaking state.

+++ This is the escape sequence code. When entered,

the modem returns to online command mode.

All the Following Commands Require an "AT" Prefix:

Table 5-2 AT Command Sets Requiring an "AT" Prefix

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

A Go online in answer mode. (See also S39.2,S43.6)

Command Sets 5-1

Handshake option. S28.7

B0 * Select CCITT V.22 for 1200 bps

B1 Select Bell 212A for 1200 bps communication.

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

DL Dials the last-dialed number.

DSn n=0-3 Dial the number stored in non-volatile RAM at

Dials (numbers and options) that follow (see also

S38.0, S35.4). The options of s are listed as follows:

0-9, A, B,C,D #, *

P Pulse dialing S23.1

T Tone dialing S23.1

, Pause for a time specified in S8. Remaining digits

; Return to command state after dialing.

! Hook flash S56

@ Waits for a 5 second silence before proceeding,

R Reverse handshake. (go online in Answer mode) S17.5

W Wait for the second dial tone. Remaining digits will

Echoes the keyboard commands. S23.0

E0 Echo off

E1 * Echo on

On/off hook control.

H0 * Hang up (on-hook) the modem or ISDN, same as

H1 Sets the modem to off hook.

Displays the inquired information.

I0 Displays the numerical product code, same as

I1 Displays the product information and ROM

Digits for dialing

will be dialed as in-band DTMF.

otherwise returns NO ANSWER.

be dialed as in-band DTMF.

location 'n.'

'ATH.

'ATI.'

checksum.

S44.3

5-2 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

Ln n=0-7 4 * Speaker volume control. The higher the value, the

O Returns to online state.

O1 Force the modem to request a retrain.

Sr.b=n Sets bit 'b' of S-register 'r' to value 'n'. 'n' is a binary

Sr.b? Displays the value of bit 'b' of S-register 'r'

Sr=n Sets S-register 'r' to value 'n'. 'n' must be a decimal

Sr? Displays the value stored in S-register 'r'

T Tone dial S23.1

UPX Download firmware to the Flash EPROM by using

I2 Displays the modem link status report.

I12 Displays the physical layer status.

I13 Displays the channel response for V.34

S24.4-6

higher the volume.

Speaker control S21.1-2

M0 The speaker is always OFF.

M1 * The speaker is ON until carrier detected.

M2 The speaker is always ON.

M3 The speaker is ON after the last digit is dialed out

Tone dialing is not heard.

Displays the result code displayed. S23.7

Q0 * The modem returns the result code.

Q1 The modem does not return the result code.

Q2 The modem returns the result code but is quiet

after answering on a RING. (see also S42.2)

digit '0' or '1'.

number between 0 and 255.

Xmodem protocol.

Sets the display type for result codes. S23.6 Vn

V0 Displays the result code in numeric form. (See also

S35.7 and the result code table of 'ATXn')

S40.1

Command Sets 5-3

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

V1 * Displays the result code in verbose form.

Xn n=0-7

5 *

+++ This is the escape sequence code. When entered,

n=0-2 Resets the modem and set power-on profile. S15.5-7

Zn Resets the modem and load user profile n (0-1).

Z2 Resets the modem and load factory settings.

Result code options, see Table 4-1. S23.3-5

the modem returns to online command mode.

5.1.2 Extended AT& Command Sets

Table 5-3 Extended AT& Command Sets

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

&Bn

&Cn

&Dn

&F Load factory settings to RAM as active configuration.

Data rate, terminal-to-modem. (DTE/DCE) S28.6

&B0 The DTE rate follows the connection rate. (See also

S44.6)

&B1 * The DTE/DCE rates are fixed at the DTE setting

(See also S18, S20, and S44.6)

Carrier Detect (CD) options S21.4

&C0 CD always ON (See also S42.7)

&C1 * CD tracks the presence of carrier (See also S38.3,

S42.7)

Data Terminal Ready (DTR) options. (See also S25) S21.6-7

&D0 Ignore DTR signal, assume DTR is always ON.

&D1 108.1, DTR OFF-ON transition causes dialing of the

default number. (See also 'AT*Dn' and S48.4)

&D2 * 108.2, Data Terminal Ready, DTR OFF causes the

modem to hang up.

&D3 Same as &D2 but DTR OFF causes the modem to

hang up and reset from profile 0.

5-4 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

&Gn

&Hn

&Kn

&Nn

Guard tone options S28.4-5

&G0 * No guard tone (within USA, Canada).

&G2 1800 Hz guard tone.

Data flow control, DTE/DCE. S27.3-5

&H0 Flow control disabled.

&H3 * Hardware (CTS/RTS) flow control.

&H4 Software (XON/XOFF) flow control.

Modem error control and data compression. S27.0-2

&K0 No error control. (Same as AT&K)

&K1 MNP4 (See also S41.0). (Include MNP3)

&K2 MNP4+MNP5 (See also S38.5, S41.0).

&K3 V.42+MNP4.

&K4 V.42+V.42bis, compatible with &K2 (See also

S38.5).

&K5 * V.42+V.44

Modem link mode options (DCE/DCE). (See S19

also S43.7, S48.1)

&N0 * Multi-Auto, auto-negotiate the highest possible link

rate: .90,V.34bis, V.32bis, V.32, V.22bis, V.22 and Bell 212A, G3 Fax V.17/V.29/V.27ter.

&N3 V.32 9600T/9600/7200T/4800

&N4 V.32 9600/7200/4800

&N5 V.32 4800

&N12 V.23 1200/75

&N13 V.23 600/75

&N14 V.22bis 2400/1200

&N15 V.22 1200

&N16 V.21 300

&N17 V.32bis 14400/12000/9600/7200/4800

Command Sets 5-5

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

&N18 V.32bis 12000/9600/7200/4800

&N19 V.32bis 7200/4800

&N24 BELL 212A 1200

&N25 BELL 103 300

&N60 V.34 33600

&N61 V.34 31200

&N62 V.34 28800

&N63 V.34 26400

&N64 V.34 24000

&N65 V.34 21600

&N66 V.34 19200

&N67 V.34 16800

&N68 V.34 14400

&N69 V.34 12000

&N70 V.34 9600

&N71 V.34 7200

&N72 V.34 4800

&N73 V.34 2400

&N99 V.90 28000

&N98 V.90 29333

&N97 V.90 30666

&N96 V.90 32000

&N95 V.90 33333

&N94 V.90 34666

&N93 V.90 36000

&N92 V.90 37333

&N91 V.90 38666

5-6 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

&Pn

&Rn

&Sn

&Tn

&N90 V.90 40000

&N89 V.90 41333

&N88 V.90 42666

&N87 V.90 44000

&N86 V.90 45333

&N85 V.90 46666

&N84 V.90 48000

&N83 V.90 49333

&N82 V.90 50666

&N81 V.90 52000

&N80 V.90 53333

&N79 V.90 54666

&N78 V.90 56000

Pulse dial make/break ratio. S23.2

&P0 * make / break=39% / 61%

&P1 make / break=33% / 67%

RTS (Request To Send) function selection. S21.5

&R0 CTS tracks RTS, response delay is set in S26.

&R1 * Ignore RTS, assumes RTS is always ON.

Data Set Ready (DSR) function selection. S21.3

&S0 * DSR overridden, DSR is always ON.

&S1 DSR according to CCITT (ITU-TSS). (See also

S41.5, S44.4)

Modem testing. S16

&T0 Terminate the test in progress.

&T1 Initiate an Analog Loop-back (ALB) test.

&T3 Initiate a Local Digital Loop-back (LDL) test.

Command Sets 5-7

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

&Vn

&W Save the current settings to user profile in

&Yn

&Z? Display all the phone numbers stored in nonvolatile

&Zn=s n=0-3 Store phone number/s to NVRAM at location n (n=0-

&T4 Grant a Remote Digital Loop-back request from a

remote modem.

&T5 Deny a Remote Digital Loop-back request from a

remote modem.

&T6 Initiate a Remote Digital Loop-back (RDL) test.

&T7 Initiate a Remote Digital Loop-back test with self-

test. (RDL+ST)

&T8 Initiate an Analog Loop-back test with self-test.

(ALB+ST)

View the profile settings.

&V0 View the current active settings.

&V1 View the user profile settings.

&V2 View the factory default settings.

nonvolatile RAM. (See also S35.6)

Break handling. Destructive Break clears the buffer.

Expedited Break is sent immediately to the remote system.

&Y0 Destructive, expedited.

&Y1 * Nondestructive, expedited.

&Y2 Nondestructive, unexpedited.

RAM.

3) use AT*Dn or ATS29=n to set the default dial pointer.

S14.1

S28.2-3

5-8 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

5.1.3 Extended AT* Command Sets

Table 5-4 Extended AT* Command Sets

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

*Cn

*En

*Gn

Character length, including start, stop and parity

bit.

*C0 * 10-bit character length

*C1 11-bit character length

*C2 9-bit character length

*C3 8-bit character length

n=0-3 Set the default dial pointer at telephone directory

location 'n.'

*D0 * (See also S35.4 and S38.0)

Modem error control negotiation. S21.0

*E0 * If error control negotiation fails, keep the non-error

control connection.

*E1 If error control negotiation fails, disconnect the call

(hang-up).

*G0 Disables the security function. (Default)

*G1 Enables type 1 security, with password check.

*G2 Enables type 1 security, with password check and

call back.

*G3 Enables type 2 security, with password check.

*G4 Enables type 2 security, with password check and

call back.

*G5 Enables type 2 security, with password check and

call back; remote site enters the callback number.

*G9 Resets the supervisor password to "ZyXEL".

S15.3-4

S29 *Dn

Command Sets 5-9

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

*Hn N=0-3 Modifies the user password table at location 'n.'

*Pn n=0-15

*Qn

*T Recall the last CND (Caller ID) information. S40.2

*V Views password table.

Note: The command *Gn requests supervisor password checking.

1. In security type 1, the remote site must be a ZyXEL modem.

2. In security type 2, the remote site can be any other type of modem.

3. The modem can store 4 (0-3) telephone numbers. If callback security is disabled, the modem will search the password table to check the remote modem's password. If they match, the modem keeps the connection, otherwise the modem will hang up. If callback security is enabled, the modem will complete the password checking. If there is no match, the modem disconnects the line, otherwise the modem disconnects the line and find the corresponding phone number and call back immediately. The remote modem should be set to automatically answer the call and response.

Modifies the supervisor password. *HS

*P9 *

Action taken when line quality changes. S27.6-7

*Q0 The modem will not act on poor signal quality.

*Q1 Retrain action taken if signal quality is poor. (See

*Q2 * Adaptive rate, automatic fall-back or forward.

*Q3 Disconnect if the signal quality is poor.

Note: The default supervisor password is ZyXEL.

Set transmission power level; ranges from -8 dBm to -15 dBm. (Default: -11 dBm)

also S41.2)

S17.1-4

5.1.4 Extended AT# Command Sets

Table 5-5 Extended AT# Command Sets

COMMAND OPTIONS FUNCTION & DESCRIPTION REF.

#En

5-10 Command Sets

Modem status in escape state

#E0 This disables the reporting of modem status when it is in escape

state

#E1 This enables the reporting of modem status when in escape state

Omni 56K II and Omni 56K Plus II User’s Guide

5.2 Fax Command Sets

5.2.1 Service Class 1 Commands

Table 5-6 Service Class 1 Commands

COMMAND DESCRIPTION VALUE

+FCLASS=n Service Class Identification and Control n=0:Sets to modem mode

n=1:Sets to Class 1 mode n=2.0:Sets to Class 2.0 mode n=8:Sets to Voice mode

+FTS=n Stops data transmission and pauses n=0-255 in 10 ms units.

+FRS=n Wait for Silence n=0-255 in 10 ms units.

+FTM=<MOD> Transmit Data with <MOD> Carrier See Table 5-6

+FRM=<MOD> Receive Data with <MOD> Carrier See Table 5-6

+FTH=n Transmit HDLC Data with <MOD>=3 Carrier n=3

+FRH=n Receive HDLC Data with <MOD>=3 Carrier n=3

The value of <MOD> parameters lists as below:

Table 5-7 The Value of <MOD> Parameters

VALUE MODULATION SPEED

3 V.21 ch 2 300

24 V.27ter 2400

48 V.27ter 4800

72 V.29 7200

73 V.17 7200

74 V.17 short train 7200

96 V.29 9600

97 V.17 9600

98 V.17 short train 9600

121 V.17 12000

Command Sets 5-11

Omni 56K II and Omni 56K Plus II User’s Guide

122 V.17 short train 12000

145 V.17 14400

146 V.17 short train 14400

5-12 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

5.2.2 Service Class 2 Commands

The following Class 2 commands are supported and implemented as per TIA PN2388 (8/20/90):

Table 5-8 Service Class 2 Command Syntax

COMMAND SYNTAX DESCRIPTION

+<command>=<value> Execute a command or set a parameter.

+<command>=? Read permissible settings.

+<command>? Read current setting.

Table 5-9 Service Class 2 Commands Supported Commands (per TIA PN2388 8/20/90)

COMMAND DESCRIPTION VALUE

+FAA=n Automatic answer mode parameters.

Answer as set by +FCLASS. n=0

DCE answers and automatically determines the type of call. n=1

+FBADLIN= <value>

+FBOR=n Phase C data bit order:

Select direct bit order. n=0

Select reversed bit order in receiving mode for phase C data. n=1

+FBUF? Buffer size. This Read Only parameter allows the DTE to determine the

+FCIG="string" Sets the local fax station ID string that is sent to polling Rx.

+FCLASS=n Service class selection. Refer to the +FCLASS Service Class 1 command

+FCON DCE automatically responds to a fax connection.

+FCQ=n Sets the copy quality check capability parameters.

Disables the copy quality check capability. n=0

Bad line threshold (number of consecutive bad lines for a bad page parameter). Determine if Copy Quality is OK on the T.30 flow chart. A value of 0 implies that error checking is disabled.

characteristics of the DCE’s buffer size.

in Table 5-6.

0-255

Command Sets 5-13

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND DESCRIPTION VALUE

Only check 1D phase C data. n=1

Check both 1D and 2D phase C data. n=2

+FCR=n "Capability to receive" parameter.

DCE will not receive message data or poll a remote device. n=0

DCE receives message data or polls a remote device. n=1

+FDCC=vr,br,wd, ln,df,ec,bf,st

Sets Vertical resolution to Normal (98 lpi). vr=0

Sets Vertical resolution to Fine (196 lpi). vr=1

Bit rate: 2400 bit/s; V.27ter. br=0

Bit rate: 4800 bit/s; V.27ter. br=1

Bit rate: 7200 bit/s; V.29 or V.17. br=2

Bit rate: 9600 bit/s; V.29 or V.17. br=3

Bit rate: 12000 bit/s; V.17. br=4

Bit rate: 14400 bit/s; V.17. br=5

Page width: 1728 pixels in 215mm. wd=0

Page width: 2048 pixels in 255mm. wd=1

Page width: 2432 pixels in 303mm. wd=2

Page length: A4; 297mm. ln=0

Page length: B4; 364mm. ln=1

Page length: unlimited length. ln=2

Data compression format: 1-D; modified Huffman. df=0

Data compression format: 2-D; modified Read. df=1

Disables Error correction. ec=0

Disables binary file transfer. bf=0

Minimum scan time/line: 0 ms. st=0

Minimum scan time/line: 5 ms. st=1

Sets the DCE capabilities parameters.

5-14 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND DESCRIPTION VALUE

Minimum scan time/line: 10 ms (normal); 5 ms (fine). st=2

Minimum scan time/line: 10 ms. st=3

Minimum scan time/line: 20 ms (normal); 10ms (fine). st=4

Minimum scan time/line: 20 ms. st=5

Minimum scan time/line: 40 ms (normal); 20ms (fine). st=6

Minimum scan time/line: 40 ms. st=7

+FDCS=vr,br,wd,l n,df,ec,bf,st

+FDIS=vr,br,wd,l n,df,ec,bf,st

+FDR This initiates document reception after receiving a phase C data command.

+FDT=df,vr,wd, ln Transmits a phase C data command: release the DCE to proceed with

+FET=n End of page or document command:

More pages; same document. n=0

End of document; another document follows. n=1

No more pages or documents. n=2

Procedure interrupt; another page follows. n=4

Procedure interrupt; end of document, another document follows. n=5

Procedure interrupt; end of document. n=6

+FK Regular fax abort command.

+FLID="string" Local ID string parameter.

+FLO=n Flow control options.

No flow control. n=0

Set the XON/XOFF software flow control. n=1

Set the CTS/RTS hardware flow control. n=2

+FLPL=n This command indicates the availability of documents for polling.

The DTE has no document available for polling. n=0

Current session parameters; refer to the +FDCC command.

Current session negotiation parameters; refer to the +FDCC command.

negotiation.

Command Sets 5-15

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND DESCRIPTION VALUE

Indicates that a document is available for polling. n=1

+FMDL? Request the DCE model.

+FMFR? Request the DCE manufacturer.

+FMINSP=n Minimum phase C speed parameter.

2400 bps. n=0

4800 bps. n=1

7200 bps. n=2

9600 bps. n=3

12000 bps. n=4

14400 bps. n=5

+FPHCTO= <value>

+FPTS=n Page transfer status

Received page status - good. n=1

Received page status - bad; retrain requested. n=2

Received page status - good; retrain requested. n=3

Received page status - bad; procedure interrupt requested. n=4

Received page status - good; procedure interrupt requested. n=5

+FREL=n Phase C received EOL alignment:

The EOL patterns are bit aligned as received. n=0

The last received bits of EOL patterns are byte aligned by the DCE, with

+FREV? Request the DCE revision identification.

+FSPL=n "Enable polling" command:

Disable polling. n=0

Enable polling. n=1

DTE Phase C response time-out: Determines how long the DCE will wait for a command after reaching the end of data when transmitting in Phase C. <value>=0 to 255; 100 ms units.

necessary zero fill bits inserted. Refer to TIA PN-2388 for details.

0-255

n=1

5-16 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

All other +F commands are not supported, but the modem will respond OK. In many cases this means "don't care."

Table 5-10

RESPONSE VALUE FUNCTION AND DESCRIPTION

+FCFR Confirmation.

+FCIG:"string" Reports the remote ID response CIG.

+FCON Facsimile connection response.

+FCSI:"string" Reports the remote ID response CSI.

+FDCS:vr,br,wd,ln,df, ec,bf,st

+FDIS:vr,br,wd,ln,df, ec,bf,st

+FDTC:vr,br,wd,ln,df, ec,bf,st

+FET:n Message response for a received page; refer to the +FET=n command

+FHNG:n

+FNSC:"HEX string" Reports the non-standard facilities command frame.

+FNSF:"HEX string" Reports the non-standard facilities frame response.

+FNSS:"HEX string" Reports the non-standard setup frame response.

+FPOLL Remote polling indication.

+FPTS:n Receive a page transfer status response; refer to the +FPTS=n

Reports the session parameters response; refer to the +FDCC=....

command.

Reports the session negotiation parameters response; refer to the

+FDCC=.... command.

Reports the remote capabilities response; refer to the +FDCC=....

command.

in Table 5-9.

Call termination status response.

n=00 Normal and proper end of connection.

n=10 Transmit error on phase A hang up code.

n=20 Transmit error on phase B hang up code.

n=40 Transmit error on phase C hang up code.

n=50 Transmit error on phase D hang up code.

n=70 Receive error on phase B hang up code.

n=90 Receive error on phase C hang up code.

n=100 Receive error on phase D hang up code.

Class 2 Command Responses

Command Sets 5-17

Omni 56K II and Omni 56K Plus II User’s Guide

RESPONSE VALUE FUNCTION AND DESCRIPTION

command.

+FTSI:"string" Report the remote ID response TSI.

+FVOICE Changes to voice response.

Class 2 Flow Control

Flow control is necessary to match the DTE-DCE data rate to the line-signaling rate while transmitting or receiving Group 3 (T.4) data. In Class 2 fax mode, both hardware (RTS/CTS) and software (XON/XOFF) flow control are enabled.

5.2.3 Service Class 2.0 Commands

Table 5-11 Service Class 2.0 Commands

COMMAND DESCRIPTION VALUE

+FDT Transmit a phase C data command.

This command releases the DCE to proceed with the negotiation.

+FDR Receive a phase C data command.

This command initiates document reception.

+FKS Terminates a Session, orderly fax

abort.

+FIP Initialize the Service Class 2.0

Parameters.

+FCLASS=n Service Class Identification and Control n=0,1,2.0,8;refer to the

+FMI? Identify DCE Manufacturer ZyXEL

+FMM? Identify DCE Omni 56K II/Omni 56K Plus II

+FMR? Identify DCE Revision Vx.x

Establish DCE Capabilities +FCC=vr,br,wd,In,df,ec,bf,st

Vertical Resolution vr=0:Normal;98 lpi

+FCLASS Class 1 command

vr=1:Fine;196 lpi

5-18 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND DESCRIPTION VALUE

+FIS=vr,br,wd,ln,df,ec,bf,st The current session’s negotiating

+FCS=vr,br,wd,ln,df,ec,bf,st The current session’s parameters The same as above

+FLI="string" Local Facsimile station ID String,

+FPI="string" Local Facsimile station ID String, CIG

+FLP=n Indicates a document is available for

+FSP=n Enable/Disable polling n=0:Disable

Bit Rate br=0:2400 bps

br=1:4800 bps br=2:7200 bps br=3:9600 bps br=4:12000 bps br=5:14400 bps

Page Width wd=0:1728 pixels in 215mm

wd=1:2048 pixels in 255mm wd=2:2432 pixels in 303mm

Page Length ln=0:A4;297mm

ln=1:B4;364mm ln=2:unlimited length

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 st=2:10 ms (normal); 5 ms (fine) st=3:10 ms st=4:20 ms (normal); 10 ms (fine) st=5:20 ms st=6:40 ms (normal);20 ms (fine) st=7:40 ms

The same as above

parameters

TSI/CSI

n=0:No document

polling

n=1:A document is available

n=1:Enable

Command Sets 5-19

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND DESCRIPTION VALUE

+FNR=rpr,tpr,idr,nsr Enable Negotiation Reporting rpr= 0:Receiver parameters are

not reported. 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: ID Strings are reported. nsr= 0:Non-standard frames are not reported. nsr= 1:Non-standard frames are reported.

+FIE=n Procedure Interrupt parameter n=0:Disable

n=1:Enable

+FPS=n Page Transfer Status n=1:Received page is good.

n=2:Page is bad; retrain is requested. n=3:Page is good; retrain is requested. n=4:Page is bad; procedure interrupt is requested. n=5:Page is good; procedure interrupt is requested.

+FLO=n Flow Control Select n=0:No flow control

n=1:Sets XON/ XOFF software flow control n=2:Sets CTS/RTS hardware flow control

+FPR=n Serial Port Rate Control n=0:Automatic DTE rate

detection by the DCE n>0:Serial rate is fixed at the value multiplied by 2400 bps.

+FBO=n Phase C Data Bit Order n=0:Selects direct bit order

n=1:Selects reversed bit order

+FEA=n Phase C Received EOL alignment n=0:EOL patterns are as

received

5-20 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND DESCRIPTION VALUE

+FCR=n Capability to Receive n=0: Do not receive message

data or poll a remote device. n=1: Receives message data or polls a remote device.

+FCQ=<rq>,<tq> Copy Quality disable/enable rq= 0:Receive copy quality

check is disabled. rq=1:Receive copy quality check is enabled. tq= 0:Transmit copy quality check is disabled. tq=1:Transmit copy quality check is enabled.

+FRQ=pql,cbl Receive Quality Thresholds pgl= 0-64h:Specifies the

percentage of good lines cbl= 0-ffh:Specifies the maximum tolerable number of consecutive bad lines.

+FAA=n Adaptive Answer Mode n=0:Answers as set by

+FCLASS n=1:Answers and automatically determines the call type.

+FCT=n Phase C Timeout n=0-ffh,1 sec units

+FMS=n Minimum Phase C Speed n=0:2400 bps

n=1:4800 bps n=2:7200 bps n=3:9600 bps n=4:12000 bps n=5:14400 bps

+FBS? Buffer Size 512,256

Command Sets 5-21

Omni 56K II and Omni 56K Plus II User’s Guide

5.3 Voice AT Commands

Table 5-12 Voice AT Commands

COMMAND FUNCTION OPTION DEFAULT DESCRIPTION

+FLO Select Flow control. 0,1,2 2 0: NO flow control.

1: (XON/XOFF)Software flow control. 2: (RTS/CTS)Hardware flow control.

+VIP Initialize parameters. N/A N/A +VSD=15,70 (15*4, 7 second)

+VTD=100 (1 second) +VRN=10 (10 second) +VRA=70 (7 second) +VGR=0 (Enable AGC) +VGT=128 +FLO=2 (RTS/CTS) +VIT=70 (7 second)

+FCLASS Voice/data/fax

selection

+FMI? Manufacturer ID. N/A ZyXEL

+FMM? Model ID N/A Omni 56K

+FMR? Revision N/A V1.x

+VRX Voice recording N/A N/A Start recording.

+VGR Set the gain for the

received voice sample.

+VGT Set the gain for the

transmitted voice sample.

+VLS Select a voice I/O

device.

0,1,2.0,8 0 0: DATA.

1: CLASS 1 FAX.

2.0: CLASS 2.0 FAX. 8: VOICE.

II or Omni 56K Plus II

0 0 0: Automatic gain control (AGC)

0-255 128 0: Silence

1-255: The larger the value, the louder the voice will be.

0,1 (Omni 56K Plus II only), 2

0 0: The DCE is on hook. A local phone

is connected to the Telco line. 1: The DCE is on-hook and is connected to the local phone. Power is also provided to the local phone. The modem can record/play through the local phone set.

5-22 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND FUNCTION OPTION DEFAULT DESCRIPTION

2: The DCE is off-hook and is connected to the telephone line. Power is also provided to the local phone. The modem is able to record/play through the local telephone line.

+VRA Ring back goes away

timer

+VRN Ring back never

come timer

+VTX Voice transmit mode N/A N/A Switches to voice transmit mode.

+VSD Silence detection Threshold,

+VSM Selection of

compression method

+VTS= [x,y,z] Dual Tone

Generation

+VTS= {x,y} DTMF Tone

Generation

+VTS= x,x... DTMF Tone

Generation

0 - 255 70 0 : turns off the timer

1-255: Defines the period without ringback (after at least one ringback has been detected) in 100 -ms units.

0 - 255 10 0 : turns off the timer

1-255: Defines the period without ringback after dialing in 1 sec units.

15,70 Threshold:

Period (0-

255), (0-

255)

4;ZyXEL ADPCM; 4 Bit;(9600)

x: 0-3000 Hz y: 0-3000 Hz z: 01000(10ms)

x:0-9,*,#, AD y:0-1000 (10ms)

x:0-9,*,#, A-D N/A x: DTMF digits (0-9,*,#, A,B,C,D)

4,9600 IMA 4 bit ADPCM.

N/A x: first tone frequency

N/A x: DTMF digits (0-9,*,#, A,B,C,D)

0: Disable silence detection. 1-255: The smaller the value, the more sensitive to the silence detection it will be. Period: 1-255: The required period of silence detection before DCE reports the silence event. 0: Disable silence detection. Unit: 0.1 second

Sample rate : 9600

y: second tone frequency z: duration in 10ms unit

y: duration in 10ms unit

Duration:+VTD setting. (in 10ms unit)

Command Sets 5-23

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND FUNCTION OPTION DEFAULT DESCRIPTION

+VTD Set default duration of

DTMF tone.

+VIT Inactivity timer. 0-255 70 Unit: 0.1 second.

1-255 100 Unit: 0.01 second.

5.4 Voice Shielded DTE Commands

Table 5-13 Voice Shielded DTE Commands

COMMAND DESCRIPTION

<DLE>p Pause, suspend voice data to the output device in playback state.

<DLE>r Resume, resume suspended voice data in playback state.

<DLE><ETX> Terminate voice playback state, switch to online voice command mode after

completing remaining data in buffer.

5.5 Voice Shielded DTE Responses

Table 5-14 Voice Shielded DTE Responses

RESPONSE CODE DESCRIPTION

<DLE>0 - <DLE>9

<DLE>A-<DLE>D

<DLE>*,<DLE>#

<DLE>a Answer Tone detected

<DLE>b Busy detected

<DLE>c Calling Tone detected

<DLE>d Dial tone detected

<DLE>e European Data Modem Calling Tone detected

<DLE>f Bell Answer Tone detected

<DLE>h The local handset is on hook

<DLE>s Silence detected

<DLE>H The local handset is off hook

DTMF digit detected

5-24 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

RESPONSE CODE DESCRIPTION

<DLE>u Transmission Buffer Underrun. The DCE reports this code if the DEC’s buffer

becomes empty without first receiving a <DLE><ETX> command.

<DLE><ETX> End of stream

5.6 S-Register Descriptions

In most bit-mapped S-registers, the default bit value is 0. An asterisk follows non-0 default values. In some cases, default values are shown in the reference column preceded by +. Some bits are reserved for factory use and should not be changed.

5.6.1 Basic S-Registers "ATSn=x"

Table 5-15 Basic S-Registers "ATSn=x"

COMMAND FUNCTION & DESCRIPTION REF.

S0= Sets the number of rings on which the modem will answer. A value of 0 disables

auto-answering.

S1= Counts and stores the number of rings from an incoming call. +000

S2= Defines the escape code character, default ' +' (43 dec.). A value of 128-255 disables

the escape code.

S3= Defines the ASCII Carriage Return. +013

S4= Defines the ASCII Line Feed. +010

S5= Defines the ASCII Backspace key. A value of 128-255 disables the Backspace key' s

delete function.

S6= Sets the number of seconds the modem waits before dialing if ' X0' or ' X1' is

selected. If a setting of ' X2,' '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 wait for the dial tone. (See also S41b4)

S7= Sets duration, in number of seconds modem waits for a carrier. +060

S8= Sets duration, in seconds, for pause (,) option in Dial command and pause between

command re-executions for Repeat (>) command.

S9= Sets duration, in tenths of a second of remote carrier signal before recognition.

(Ignored if in non-FSK or half-duplex operation)

S10= Sets duration, in tenths of a second, that the modem waits after the carrier is lost

before hanging up.

+000

+043

+008

+003

+002

+006

+007

Command Sets 5-25

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND FUNCTION & DESCRIPTION REF.

S11= Sets duration and spacing, in milliseconds, of dialed Touch-Tones. +070

5.6.2 Extended S-Registers "ATSn=x"

Table 5-16 Extended S-Registers "ATSn=x"

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

bit dec hex Bit-mapped register. +000 S13=

S14=

S15=

1 2 2 Captures modem manufacturer information during

V.42 handshake, can be displayed at ATI2 <Last Speed/Protocol> line if available ('Flash' or 'ZyXEL' stands for ZyXEL connection).

bit dec hex Bit-mapped register: +002

1 0 0 Grant Remote Digital Loop-back test request. &T4

2 2 Deny Remote Digital Loop-back test request. &T5*

bit dec hex Bit-mapped register. +066

0,1 0 0 Even parity

1 1 Odd parity

2 2 No parity

2 0 0 1 stop bit

4 4 2 stop bits

4,3 0 0 10 bit character length

8 8 11 bit character length

16 10 9 bit character length

24 18 8 bit character length

7-5 0 0 Profile 0 as active settings after power on. Z0

32 20 Profile 1 as active settings after power on. Z1

64 40 Factory default as active settings after power on. Z2*

dec hex Test status register. +000 S16=

0 0 No test in progress. &T0

5-26 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

S17=

S18=

S19= dec

S20=

1 1 Analog Loop-back test in progress &T1

3 3 Local Digital Loop-back test in process

6 6 Remote Digital Loop-back test in process

7 7 Remote Digital Loop-back with self-test in process

8 8 Analog Loop-back with self-test in progress. &T8

Bit dec hex Bit-mapped register. +022

4-1 0-30 0-1E Set transmit power level from 0 to -15 dBm. (See also

S35b3) (Default *P11)

5 0 0 Normal dial. (Default) D

32 20 Reverse dial, go online in answer mode. DR

dec hex Force modem to fix baud rate when answering +000

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.

hex

0-99

dec hex DTE speed (bps). Auto detected from AT Command +001

0 0 230400 bps

1 1 115200 bps (Default)

2 2 76800 bps

3 3 57600 bps

4 4 38400 bps

5 5 19200 bps

6 6 16800 bps

7 7 14400 bps

8 8 12000 bps

9 9 9600 bps

10 A 7200 bps

0-63

Modem connection mode, same setting value as 'AT&Nn' command.

*Pn

+000/&Nn

Command Sets 5-27

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

Note: Only speeds up to S20=15 are supported by auto-speed detection.

S21=

11 B 4800 bps

12 C 2400 bps

13 D 1200 bps

14 E 460800 bps

15 F 300 bps

16 10 307200 bps

17 11 153600 bps

18 12 102400 bps

20 14 61440 bps

21 15 51200 bps

22 16 624000 bps

24 18 124800 bps

25 19 62400 bps

26 1A 41600 bps

27 1B 31200 bps

28 1C 24960 bps

29 1D 20800 bps

46 2E 921600 bps

bit dec hex Bit-mapped register. +178

0 0 0 Maintain a non-error control connection when a

modem error control handshake fails (default).

1 1 Drop a connection when the modem error control

handshake fails.

1-2 0 0 The speaker is always OFF. M0

2 2 The speaker is ON until the carrier is detected.

(Default)

4 4 The speaker is always ON. M2

*E0

*E1

M1*

5-28 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

S23=

6 6 The speaker is ON after the last digit is dialed out the

until carrier is detected.

3 0 0 DSR is always ON (default). &S0

8 8 According to CCITT (see also S44.4, S41.5). &S1

4 0 0 CD is always ON. &C0

16 10 CD tracks the presence of the data carrier (see also

S38.3) (default).

5 0 0 CTS follows RTS in synchronous mode. The response

delay is set in S26.

32 20 Ignore RTS (CTS always ON) in synchronous mode.

(Default)

6-7 0 0 Assume DTR is always ON. &D0

64 40 108.1, DTR OFF-ON transition causes the modem to

dial the default number.

128 80 108.2 Data Terminal Ready, DTR OFF causes the

modem to hang up and return to the command state (default)

192 C0 108.2, DTR OFF causes the modem to hang up and

reset the modem to profile 0 after the DTR is dropped.

bit dec hex Bit-mapped register. +105

0 0 0 Command echo disabled. E0

1 1 Command echo enabled (default). E1

1 0 0 Tone dial (default). T

2 2 Pulse dial. P

2 0 0 Pulse dial make/break ratio = 39% / 61% (default). &P0

4 4 Pulse dial make/break ratio = 33% / 67%. &P1

3-5 0 0 ATX0 (see result code table). X0

8 8 ATX18 X1

16 10 ATX2 X2

24 18 ATX3 X3

&C1

&R0

&R1

&D1

&D2

&D3

Command Sets 5-29

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

S25= 0 to

S27=

32 20 ATX4 X4

40 28 ATX5, error control result code is enabled (default). X5

48 30 ATX6, error control result code is enabled. X6

56 38 ATX7, error control result code is enabled. X7

6 0 0 Displays the result code in numeric format (see

S35.7).

64 40 Displays the result code in verbose format (default). V1

7 0 0 The modem returns the result code (default). Q0

128 80 The modem does not return the result code (see also

S40.1).

bit dec hex Bit-mapped register. S24=

6-4 16-

112

255

dec hex RTS/CTS delay. +000 S26=

0 to

255

bit dec hex Bit-mapped register. +156

0-2 Modem error control.

0 0 No error control. &K0

1 1 MNP4 + MNP3 (see also S41.0). &K1

2 2 MNP4 + MNP5 (see also S38.5, S41.0). &K2

3 3 V.42+MNP4 &K3

4 4 V.42 + V.42bis (compatible with &K2) (default). &K4*

3-5 0 0 Flow control disabled

24 18 Hardware (RTS/CTS) flow control (default)

32 20 Software (RTS/CTS) flow control

10-70 Speaker volume control, increments of 16 in decimal

value.

0-FF Specify the time delay that the DTR signal needs to be

OFF before it is recognized, in 10 ms units. If S25=0, the delay time is set to 4 ms.

0-FF Set the delay, in 10 millisecond units between the RTS

and the modem's CTS response in synchronous mode (see '&Rn' command).

L0-3

+000

&Rn

5-30 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

S28=

S29= 0 to 3 0 to 3 Sets the default dial phone number pointer, use

S31= 0-255 0-FF Holds the ASCII decimal value of the XON +017

S32= 0-255 0-FF Holds the ASCII decimal value of the XOFF +019

S35=

40 28 Reserved

6-7 Signal quality.

0 0 No response to poor signal quality. *Q0

64 40 Retrain action taken if signal quality is poor. *Q1

128 80 Adaptive rate (auto fall-back/forward) when signal

quality changes (default).

192 C0 Disconnect when signal quality is poor. *Q3

bit dec hex +068

2-3 0 0 Destructive, expedited break. &Y0

1 4 Non-destructive, expedited break (default). &Y1

10 8 Non-destructive, un-expedited break. &Y2

4-5 0 0 No guard tone (default). &G0

16 10 550 Hz guard tone. &G1

32 20 1800 Hz guard tone. &G2

6 0 0 The DTE/DCE rate follows link rate (see also s18,

S44b6)

1 64 The DTE/DCE rate is fixed at the DTE setting, range

from 300-460.8 Kbps (default, also see S18, S44b6)

AT&Zn=s to store phone numbers in the Windows registry.

bit dec hex Bit-mapped register. +032

1 2 2 Disables aborting from the terminal during modem

handshaking.

3 8 8 Add 16dB attenuation to the leased line transmission

power.

5 32 20 Enable Selective Reject in V.42 (default).

*Q2

&B0

+000 *D

Command Sets 5-31

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

7 128 80 Enable extended numerical result codes from 50 to 65

when an error corrected connection is made. Use with ATV0 (see result code table).

S38=

S40=

S41=

bit dec hex Bit-mapped register. +000

0 1 1 Repeatedly dials the default number if not connected. *Dn, S29

3 0 0 CD tracks the carrier (default). &C0

3 8 8 The DCD ON/OFF sequence follows UNIX standard,

DCD ON before connect message is sent, DCD off after the last DCE response is sent.

4 16 10 Auto-mode fax receiving is disabled, hangs up if a fax

call is received (default).

5 32 20 Disable MNP5 negotiation. &Kn

bit dec hex Bit-mapped register. +032 S39

2 4 4 Reverse the answers. Answer in originating mode. ATA

bit dec hex Bit-mapped register. +000

1 2 2 No result code is displayed in answer mode. Q2

2 4 Enables caller ID detection.

3 8 Enables type 1 ring detection.

4 16 Enables type 2 ring detection.

5 32 Enables type 3 ring detection.

6 64 Enables type 4 ring detection.

bit dec hex Bit-mapped register. +000

0 1 1 Special MNP compatibility. (see also s27.0, S38.5) &Kn

3 8 8 Enable CCITT signals 140 and 141 on EIA-232D

interface.

4 16 10 In X2-X7 setting, modem waits for S6 seconds before

dialing and ignores dial tone detection.

5 32 20 DSR follows DCD and pulses for 0.5 sec after DCD

on-off transition.

6 64 40 Force S0>=2; does not answer on the first ring. S0

V0 S23.6

&C1, S21.4

&N0

&Sn

5-32 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

7 128 80 Ignore calling tone, not to be used as fax detection.

S42=

S43=

S44=

S45= dec

S46= dec hex The CND silence detection interval. +028

bit dec hex Bit-mapped register.

1 2 2 Enables throughput averaging. 2

2 4 4 A CND message forces on even if ATQ2 is set.

3 8 8 This disables the escape sequence code in answer

mode.

4 16 10 This disables the V.17 14,400 Fax in calling mode and

no effect on answering mode.

6 64 40 This disables the 'RINGING' result code. Xn

7 128 80 The DCD is forced on but pulses off for 0.5 second at

carrier loss.

bit dec hex Bit-mapped register. +008

6 64 40 Enable a 1.5 second pause between off-hook and

modem answering.

7 128 80 The modem hangs-up if the line condition does not

permit the modem to run at the highest speed set by '&Nn' command.

bit dec hex Bit-mapped register. +000

3 8 8 ATDSn initiates auto-dial of the stored numbers

consecutively until a connection is made (cyclic dial).

4 16 10 DSR follows DTR (see also S41.5). &S1

6 64 40 When selected with ‘&B0’, DTE speed is fixed at

38400 when the link speed is above 9600. DTE speed is fixed at 9600 if the link speed is 7200. If it is below 7200, the DTE speed follows link speed. When selected with &B1, DTE speed is fixed at the current rate when an ARQ connection is made. When a nonARQ connection is made, DTE speed follows the link speed (See also S18).

0-255

hex 0-FF

The delay during which the CND silence detection is disabled, in 20 ms units (see also S46).

&C0

DSn

&Bn

+100

Command Sets 5-33

Omni 56K II and Omni 56K Plus II User’s Guide

COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.

0 to

255

S48=

S52=

bit dec hex Bit-mapped register. +000

0 1 1 This causes CND information to be reported in raw

2 4 4 This enables the sending of data calling tones (CNG).

3 8 8 Reverses the V.23 channel speed. Originate mode

4 16 10 (Works with the &D1 command) DTR ON causes the

bit Dec hex Bit-mapped register. +000

7 0 0 Select 'Mark' as the first signal of the V.23

128 80 Select 'Space' as the first signal of the V.23

bit dec hex +000 S56=

0 to

255

bit dec hex Bit-mapped register. +016 S57=

4 16 10 Enables the reporting of Class 1 capability in response

0-FF To process the CND, silence must be detected for the

specified interval, in 20 ms units.

format.

modem speed (Send/Receive) 1200/75; Answer mode modem speed (Send/Receive) 75/1200.

modem to dial the default number and DTR OFF causes the modem to hang-up and reset to profile 0. When the modem is idle (waiting for a command), it does not dial any number when DTR changes from ON to OFF.

handshaking sequence (default).

0-FF Hook flash detect time, in units of 10ms. A value of

zero uses country-specific default duration.

to +FCLASS=?

&N12

Bit

Dec

Hex

+nnn

Note:

S-register bit number, 'b', used in 'ATSr.b=n' and 'ATSr.b=?'

Decimal value, 'x', used in 'ATSn=x'

Equivalent Hexadecimal value.

Factory default when listed in 'Reference' column.

AT' is omitted when an AT command is referred to in the 'Reference' column.

5-34 Command Sets

Omni 56K II and Omni 56K Plus II User’s Guide

Command Sets 5-35

Omni 56K II and Omni 56K Plus II User’s Guide

Chapter 6

Firmware Upgrade

This section describes how you can upgrade the firmware in your modem.

The ZyXEL Omni 56K II and Omni 56K Plus II provides a firmware upgrade function that allows you to upgrade the firmware either by upgrade software provided in the supplied CD, or by terminal program such as Bitware or HyperTerminal. To obtain the latest firmware version, please go to ZyXEL's website site at http://www.zyxel.com.

6.1 Upgrading by Software

To upgrade the firmware using the provided software, follow the steps listed below:

Step 1. Insert the CD-ROM that comes with your modem package into your CD-ROM drive.

Step 2. Double-click the Zyfwm.exe icon on your CD.

Step 3. You will see the first screen of the ZyXEL F/W upload wizard. Select the COM port that is

connected to your modem, then click Next.

Step 4. Click Browse to find the directory where your latest firmware file is located, then click Next to

start uploading.

Follow the upload wizard to complete the upgrade process. After finishing, you may use your modem again.

To obtain the latest firmware version, please go to ZyXEL's website site at

http://www.zyxel.com.

6.2 Upgrading by Terminal Program

To upgrade the firmware by terminal program, you have to prepare a terminal program first, such as the terminal function in Bitware or HyperTerminal in Windows, then follow the instructions listed below. For more information on how to install Bitware on your computer, please refer to the Quick Start Guide that came with your modem package.

Step 1. Start your terminal program.

Step 2. Type in 'atupx', it will show a message as below:

You have chosen XModem protocol with 128-byte block length and checksum tail to upload the firmware file to update your modem, data in Flash ROM will be erased!!

Firmware Upgrade 6-1

Omni 56K II and Omni 56K Plus II User’s Guide

Are you sure (Y/N)?

Step 3. Be sure you have a new version of firmware file on hand, then click 'Y.' The terminal will

respond:

Erase the flash ROM now. Please wait.

Then, it will continue to show:

Ready to program to flash. Please start upload.

Step 4. Now, select XModem checksum mode to send the new firmware to your modem. Enter the file

name then start uploading.

6-2 Firmware Upgrade

Omni 56K II and Omni 56K Plus II User’s Guide

Chapter 7

Troubleshooting

This chapter covers potential problems and the possible solutions.

Table 7-1 Troubleshooting

PROBLEM CORRECTIVE ACTION

None of the LEDs turn on when I start the modem.

I cannot access the modem via my computer.

I cannot connect to the Internet. Make sure the Line port is properly connected to the wall jack.

Make sure your modem is turned on and the included power adapter is connected to it as well as plugged into an appropriate and functioning power outlet.

Check the RS-232 cable connections between the modem and your computer (Omni 56K Plus only).

Check the USB cable connections between the modem and your computer (Omni 56K Plus II only).

Carefully follow the instructions in this User’s Guide to install the software driver.

Contact technical support if these steps fail to solve the problem.

Make sure the modem’s RS-232 port is connected to your computer’s serial port (Omni 56K Plus only).

Unplug the USB cable and plug it back in again (Omni 56K Plus II only).

Restart your computer.

Restart the modem by using the ON/OFF switch on your modem.

Restart your computer.

Make sure that you have entered your ISP connection information correctly. The password may be case sensitive, so make sure that the Caps lock key is not turned on.

Make sure that your computer’s TCP/IP settings are configured properly.

Troubleshooting 7-1

Omni 56K II and Omni 56K Plus II User’s Guide

PROBLEM CORRECTIVE ACTION

I cannot get the software driver to uninstall and reinstall properly.

Close your Windows applications.

Use the add and remove hardware option in the Windows Control Panel to remove the modem.

Insert the included CD. If a screen automatically opens, close it.

Unplug the RS-232 cable (Omni 56K Plus only) and plug it back in.

Unplug the USB cable (Omni 56K Plus II only) and plug it back in.

Use the add new hardware option in Control Panel to start the installation wizard.

Restart your computer if prompted.

7-2 Troubleshooting

<MOD> parameters........................................ 5-11

4-bit Voice Data Compression ........................ 3-13

Omni 56K II and Omni 56K Plus II User’s Guide

Index

Extended S-Registers .....................................5-26

Fax command sets..........................................5-11

Firmware Specification......................................3-1

Flash ROM ................................................ 1-3, 6-1

Flow Control ....................... 3-2, 3-4, 3-5, 3-6, 5-20

Front Panel LEDs..............................................2-1

Automatic Data/Fax call detection .................... 1-2

Back Panel ....................................................... 2-2

Basic S-Registers ........................................... 5-25

Bitware ........................................................... 2-11

Caller ID ....................................3-4, 3-7, 3-9, 5-10

Capability................................................. 3-4, 5-21

Command Sets..........................5-1, 5-4, 5-8, 5-10

Connecting Your Omni 56K II to the RS-232 Port

..................................................................... 2-3

Customer Support ...............................................iv

Cyclic Dial.................................................. 3-4, 3-6

Data command sets.......................................... 5-1

Data compression...................................... 1-2, 3-6

Data Function ................................................... 3-4

Dial-Up Networking......................................... 2-11

Distinctive Ring.......................................... 3-4, 3-9

Error Control ................................ 3-3, 3-4, 3-6, 4-3

error correction ................................................. 1-2

G3 14.4Kbps Fax send/receive .........................1-2

Hardware CTS/RTS Flow Control .....................3-5

Hardware Specification .....................................3-1

Hot-swappable ..................................................1-2

Installation Wizard.............................................2-7

IS-101 Command Set....................... 1-2, 3-4, 3-12

ITU-T T.30 Fax Protocol..................................3-12

MOD................................................................5-11

Physical Layer Capability ..................................3-4

Protocol Support ...............................................3-2

Repeat Dial ............................................... 3-4, 3-6

Result Codes............................................. 4-1, 5-3

RS-232 plug and play compatible .....................1-1

Index A

Omni 56K II and Omni 56K Plus II User’s Guide

Security ................................................. 3-10, 3-11

Service Class 1 Commands ............................5-11

Service Class 2.0 Commands .........................5-18

Specifications ....................................................3-1

S-Register Descriptions...................................5-25

TCP/IP Setup ..................................................2-10

Troubleshooting ................................................7-1

Upgrading..........................................................6-1

USB plug and play compatible.......................... 1-1

V.92 56K ...........................................................1-1

Voice AT Commands ......................................5-22

Voice Function ................................................3-12

Voice Shielded DTE Commands..................... 5-24

ZyDAS Fifth Generation Data Pump with V.92

Capability ......................................................1-1

B Index

ZyXEL Communications 56K Plus II, Omni 56K II User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Copyright

ZyXEL Limited Warranty

Customer Support

Table of Contents

List of Figures

List of Tables

Preface

Getting To Know Your Modem

1.1 The Omni 56K II and Omni 56K Plus II Modem

1.2 Features of the Omni 56K II and Omni 56K Plus II Modem

Installation

2.2 Connecting Your Omni 56K II (RS-232 Port)

2.4 TCP/IP Setup

Windows 98: Click Start, Programs, Accessories, Communications, Dial-Up Networking.

2.6 Installing Bitware From the Included CD

Specifications & Functions

3.1 Specifications

3.3 Firmware Specification

3.5 Omni 56K II and Omni 56K Plus II Capability

3.6 Data Function

3.8 Hardware CTS/RTS Flow Control

3.9 Software XON/XOFF Flow Control

Result Codes

Result Codes 4-1

Command Sets

5.4 Voice Shielded DTE Commands

5.5 Voice Shielded DTE Responses

Firmware Upgrade

6.2 Upgrading by Terminal Program

Troubleshooting

Index