Instruction/ maintenance manual of the product Prestige 128IMH ZyXEL Communications
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Prestige 128IMH User's Guide Version 1.0 ZyXEL T OTAL I NTERNET A CCESS S OLUTION.
Prestige 128IMH ISDN Modem/ Router/Hub ii Prestige 128IMH ISDN/Modem Router/Hub Copyright Copyright © 1998 by ZyXEL Communications Corporation. The contents of this publication may not be reproduced .
Prestige 128IMH ISDN Modem/ Router/Hub ECC Interference Statement iii Federal Communications Commission (FCC) Interference Statement This device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference.
Prestige 128IMH ISDN Modem/ Router/Hub iv Information for Canadian Users Information for Canadian Users The Industry Ca nada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operation, and safety requirements.
Prestige 128IMH ISDN Modem/ Router/Hub ECC Interference Statement v The Prestige 128IMH has been approved for connection to the Public Switched Telecommunication Network using interfaces compatible with ITU - TSS recommendation I.420 (Basic Rate ISDN user access).
Prestige 128IMH ISDN Modem/ Router/Hub vi ZyXEL Limited Warranty 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 o f up to two (2) years from the date of purchase.
Prestige 128IMH ISDN Modem/ Router/Hub vii Customer Support Customer Support If you have questions about your ZyXEL product or desir e assistance, contact ZyXEL Communications Corporation offices worldwide, in one of the following ways: METHOD NORTH AMERICA OUTSIDE NORTH AMERICA E - Mail - Tech Support support@zyxel.
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Prestige 128IMH ISDN Modem/ Router/Hub Table of Contents ix Table of Contents Prestige 128IMH .................................................................................................................... 1 Table of Contents ....................
Prestige 128IMH ISDN Modem/ Router/Hub x Table of Contents 2.10 Protocol Dependent Ethernet Setup ...................................................................... 2 - 20 Chapter 3 .................................................................
Prestige 128IMH ISDN Modem/ Router/Hub Table of Contents xi Bridging Setup ................................................................................................................... 7 - 1 7.1 Bridging in General ..............................
Prestige 128IMH ISDN Modem/ Router/Hub xii Table of Contents 10.2 Configuring a Filter Set ........................................................................................ 10 - 3 10.3 Configuring a Filter Rule .................................
Prestige 128IMH ISDN Modem/ Router/Hub Table of Contents xiii 14.6 Firmware Update ............................................................................................... 14 - 14 14.7 Command Interpreter Mode ..................................
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Prestige 128IMH ISDN Modem/ Router/Hub List of Figures xv List of Figures Figure 1 - 1 Internet Access Application ..................................................................................................................... 1 - 6 Figure 1 - 2 LAN - to - LAN Connection Application .
Prestige 128IMH ISDN Modem/ Router/Hub xvi List of Figures Figure 4 - 1 Menu 11 – Remote Node Setup .............................................................................................................. 4 - 2 Figure 4 - 2 Menu 11.1 Remote Node Profile .
Prestige 128IMH ISDN Modem/ Router/Hub List of Figures xvii Figure 8 - 3 Menu 13 – Default Dial - in Setup ........................................................................................................... 8 - 4 Figure 8 - 4 Default Dial - in Filter .
Prestige 128IMH ISDN Modem/ Router/Hub xviii List of Figures Figure 14 - 8 Menu 24.4 - System Maintenance - Diagnostic ............................................................................. 14 - 11 Figure 14 - 9 Trace Display for a Successful Manual Call .
Prestige 128IMH ISDN Modem/ Router/Hub List of Tables xix List of Tables Table 1 - 1 ISDN Phone Line Info ............................................................................................................................... xxv Table 1 - 2 IP subnet masks and the number of hosts allowed .
Prestige 128IMH ISDN Modem/ Router/Hub xx List of Tables Table 7 - 1 Bridge Ethernet Se tup Menu - Handle IPX Field Configuration ........................................................ 7 - 2 Table 7 - 2 Remote Node Network Layers Menu Bridge Options .
Prestige 128IMH ISDN Modem/ Router/Hub List of Tables xxi Table 14 - 6 Call Control Parameters Fields ........................................................................................................... 14 - 22 Table 14 - 7 Call History Fields .
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Prestige 128IMH ISDN Modem/ Router/Hub Preface xxiii Preface About Your Router/Hub Congratulations on you r purchase of the Prestige 128IMH ISDN/Modem Router/Hub.
Prestige 128IMH ISDN Modem/ Router/Hub xxiv Preface If you have an ISDN line installed and working, you can reference the following sections to insure that your line is set up properly to all ow all the features of your Prestige to operate. To order a new ISDN line, do the following: 1.
Prestige 128IMH ISDN Modem/ Router/Hub Preface xxv Collecting ISDN Phone Line Information Once your ISDN line is installed by the telephone compan y, you need to use the following information to complete the worksheet and configure your Prestige. Much of this information is provided by your telephone company upon intallation of the ISDN line.
Prestige 128IMH ISDN Modem/ Router/Hub xxvi Preface Collecting Ethernet Setup Information IP Address - An IP Address is required for TCP/IP protocol. The IP Address is the unique 32 - bit number assigned to your Prestige. This address is written in dotted decimal notation (four 8 - bit numbers, between 0 and 255, separated by periods), e.
Prestige 128IMH ISDN Modem/ Router/Hub Preface xxvii 2. The Internet (Chapter 3) describes how to configure your Prestige for Internet acce ss. 3. Setting Up Advanced Applications (Chapters 4 - 8) des.
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Prestige 128IMH ISDN Modem/ Router/Hub Getting to know your Prestige 1 - 1 Chapter 1 Getting to Know Your Router/Hub This chapter describes the key features and applications of your Prestige.
Prestige 128IMH ISDN Modem/ Router/Hub 1 - 2 Getting to know your Prestige Single User Account (SUA) The S UA™ (Single User Account) features allows multiple users to share a single user account.
Prestige 128IMH ISDN Modem/ Router/Hub Getting to know your Prestige 1 - 3 ♦ Web - based PWC (Prestige Web Configurator). Logging and Tracing ♦ CDR (Call Detail Record) to help to analyze and manage the telephone bill. ♦ Built - in message logging and packet tracing.
Prestige 128IMH ISDN Modem/ Router/Hub 1 - 4 Getting to know your Prestige Networking Compatibility Your Prestige is compatible with remote access products from other manufacturers such as Ascend, Cisco, and 3Com. Furthermore, it supports Microsoft Windows 95 and Windows NT remote access capability.
Prestige 128IMH ISDN Modem/ Router/Hub Getting to know your Prestige 1 - 5 1.3 The Built - In Modem The built - in V.90 modem is capable of maximum downloading speed of 56 kilobits per seco nd (kbps).
Prestige 128IMH ISDN Modem/ Router/Hub 1 - 6 Getting to know your Prestige Figure 1 - 1 Internet Access Applic ation Internet Single User Account For a SOHO (small office/Home Office) environment, you.
Prestige 128IMH ISDN Modem/ Router/Hub Getting to know your Prestige 1 - 7 Figure 1 - 2 LAN - to - LAN Connection Application 1.4.3 Remote Access Server Your Prestige allows remote users to dial - in and gain access to your LAN. This feature enables u sers that have workstations with remote access capabilities, e.
Prestige 128IMH ISDN Modem/ Router/Hub 1 - 8 Getting to know your Prestige Figure 1 - 3 Telecommuting/Remote Access S erver Application.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 1 Chapter 2 Hardware Installation & Initial Setup This chapter shows you how to connect the hardware and the initial setup. 2.1.1 Front Panel LEDS The LED indicators on the front panel indicate the router/hub functional status of the Prestige.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 2 Hardware Installation and Setup 2.2 Prestige 128IMH Rear Panel and Connections The figure below shows the rear panel of your Prestige 128MH and the connection diagram.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 3 one of the 4 Ethernet ports. Ethernet 10Base - T networks use Unshielded Twisted Pair (UTP ) cable with RJ - 45 connectors that look like a bigger telephone plug with 8 pins.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 4 Hardware Installation and Setup After the Prestige is properly set up, you can make future changes to the configuration through telnet connections.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 5 2.4 Power On Your Prestige At this point, you should have connected the console port, the ISDN BRI port, the Ethernet port and the power port to the appropriate devices or lines.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 6 Hardware Installation and Setup Figure 2 - 4 Login Screen.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 7 2.5 Navigating the SMT Interface The SMT (System Management Terminal) is the interface that you use to configure your Prestige. Several operations that you should be familiar with before you attempt to modify the configuration are listed in the table below.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 8 Hardware Installation and Setup.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 9 After you enter the password, the SMT displays the Ma in Menu , as shown below.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 10 Hardware Installation and Setup 14 Dial - in User Setup Use this menu to setup dial - in users. 15 SUA Server Setup Use this menu to specify inside servers when SUA is enabled . 21 Filter Set Configuration Use this menu to setup filters to provide security, call control, etc.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 11 When the Submenu 23.1 - System Security - Change Password appears, as shown in the figure below, type in your existing system password, i.e., 1234, and press [Enter]. Figure 2 - 7 Menu 23.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 12 Hardware Installation and Setup 2.7 General Setup Menu 1 - General Setup contains administrative and system - related information. To enter Menu 1 and fill in the required information, follow these steps: Step 1.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 13 Table 2 - 4 General Setup Menu Fields Field Description Example System Name Choose a descriptive name for identification purposes. This name can be up to 8 alphanumeric characters long.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 14 Hardware Installation and Setup 2.8 European ISDN Setup Menus Menu 2 is for you to ente r the information about your ISDN line. Please note that the Prestige only accepts digits in phone number fields; please do no include ‘ - ‘ or spaces in these fields.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 15 Call Routing is either A/B Adapter 1 or 2, then the Prestige uses Global Analog Call to decide how to handle global calls.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 16 Hardware Installation and Setup isdn initstring set AT&ZOx=number where x is 'I' for ISDN data calls, 'A' for A/B Adapter 1 and 'B' for A/B Adapter 2.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 17 Figure 2 - 9 Menu 2 – ISDN Setup Table 2 - 5 Menu 2 – ISDN Setup Switch Type This field is fixed as DSS1. B Channel Usage In general, this is Switch/S witch . If you are only using one B channel (e.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 18 Hardware Installation and Setup ISDN Call Waiting This allows you to place a call on hold while you answer another incoming call on the same telephone (directory) number. By defau lt call waiting is disabled on both telephone ports, but can be enabled on either port from Menu 2.
Prestige 128IMH ISDN Modem/ Router/Hub Hardware Installation and Setup 2 - 19 Figure 2 - 11 Loopback test 2.9 Ethernet Setup This section describes how to configure the Ethernet using Menu 3 – Ethernet Setup. From the Main Menu, enter 3 to open Me nu 3.
Prestige 128IMH ISDN Modem/ Router/Hub 2 - 20 Hardware Installation and Setup Figure 2 - 13 Menu 3.1 - General Ethernet Setup If you need to define filters, pleas e read Chapter 9 - Filter Set Configuration , then return to this menu to define the filter sets.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 1 Chapter 3 Internet Access This chapter shows you how to configure the LAN as well as the WAN of your Prestigefor Internet access . 3.1 Route IP Setup The first step is to enable the IP routing in Menu 1 - General Setup.
Prestige 128IMH ISDN Modem/ Router/Hub 3 - 2 Internet Access 3.2 TCP/IP Parameters 3.2.1 IP Ad dress and Subnet Mask Similar to the houses on a street that share a common street name, the machines on a LAN share one common network number, also. Where you obtain your network number depends on your particular situation.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 3 that it receives; when set to none, it will not send any RIP packets and will ignore any RIP packets received. The Version field controls the format and the broadcasting method of the RIP packets that the Prestige sends (it recognizes bo th formats when receiving).
Prestige 128IMH ISDN Modem/ Router/Hub 3 - 4 Internet Access it. The DNS server addresses that you enter in the DHC P setup are passed to the client machines along with the assigned IP address and subnet mask. There are two ways that an ISP disseminates the DNS server addresses.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 5 3.3 TCP/IP Ethernet Setup and DHCP You will now use Menu 3.2 to configure your Prestige for TCP/IP. To edit Menu 3.2, select the menu option Ethernet Setup in the Main Menu. When Menu 3 appears, select the submenu option TCP/IP and DHCP Setup and press [Enter] .
Prestige 128IMH ISDN Modem/ Router/Hub 3 - 6 Internet Access Follow the instructions in the following table on how to configure the DHCP fields. Table 3 - 1 DHCP Ethernet Setup Menu Fields Field Description Example DHCP Setup DHCP= This field enables/disabled the DHCP server.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 7 Follow the instructions in the following table to configure TCP/IP parameters for the Ethernet port. Table 3 - 2 TCP/IP Ethernet Setup Menu Fields F ield Description Example TCP/IP Setup IP Address Enter the IP address of your Prestige in dotted decimal notation 192.
Prestige 128IMH ISDN Modem/ Router/Hub 3 - 8 Internet Access 3.4 Internet Access Configuration Menu 4 allows you to enter the Internet Access information in one screen. Menu 4 is actually a simplified setup for one of the remote nodes that you can access in Menu 11.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 9 From the Main Menu, enter option Internet Access Setup to go to Menu 4 - Internet Access Setup, as displayed below. The following table contains instructions on how to configure your Prestige for Internet access.
Prestige 128IMH ISDN Modem/ Router/Hub 3 - 10 Internet Access Single User Account Please see the following section for a more detailed discussion on the Single User Account feature. The default is Yes. Telco options : Transfer Type This field specifies the type of connection between the Prestige and this remote node.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 11 3.5 Single User Account Typically, if there are multiple users on the LAN wanting to concurrently acce ss the Internet, you will have to lease a block of legal, or globally unique, IP addresses from the ISP.
Prestige 128IMH ISDN Modem/ Router/Hub 3 - 12 Internet Access The IP address for the SUA can be either fixed or dynamically assigned when a call is connected. In addition, you can designate servers, e.g., a web server and a telnet server, on your local network and make them accessible to th e outside world.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 13 3.5.2 Single User Account Configuration The steps for configuring your Prestige for Single User Account are identical to the conventional Internet access with the exception that you need to fill in two extra fields in Menu 4 - Internet Access Setup, as shown below.
Prestige 128IMH ISDN Modem/ Router/Hub 3 - 14 Internet Access At this point, your Prestige will ask if you wish to test the Internet connection. If you select Yes , the Prestige will call the ISP and test the configuration. If the test fails, note the error messages on the screen and take the appropriate troubleshooting steps.
Prestige 128IMH ISDN Modem/ Router/Hub Internet Access 3 - 15 Step 3. Enter Menu 11 again and select your Backup ISP. Step 4. In Menu 11.1, set the Active field to Yes .
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Prestige 128IMH ISDN Modem/ Router/Hub Remote Node Configuration 4 - 1 Chapter 4 Remote Node Configuration A remote node is required for placing calls to a remote gateway. A rem ote node represents both the remote gateway and the network behind it across a WAN connection.
Prestige 128IMH ISDN Modem/ Router/Hub 4 - 2 Remote Node Configuration Figure 4 - 1 Menu 11 – Remote Node Set up When Submenu 11.1. - Remote Node Profile appearsfill in the fields as described in the table below to define this remote profile. The Remote Node Profile Menu Fields table shows how to configure the Remote Node Menu.
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node Configuration 4 - 3 Figure 4 - 2 Menu 11.1 Remote Node Profile Table 4 - 1 Remote Node Profile Menu Fields Field Description Options Rem Node Name This is a required field [?]. Enter a descriptive name for the remote node, for example, Corp.
Prestige 128IMH ISDN Modem/ Router/Hub 4 - 4 Remote Node Configuration Incoming: Rem Node Password Enter the password used when this remote node calls your Prestige. Incoming: Rem CLID This field is applicable only if Call Direction is either Both or Incoming .
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node Configuration 4 - 5 Numbers If the Primary Phone number is busy or does not answer, your Prestige will dial the Secondary Phone number if available. Some areas require dialing the pound sign # before the phone number for local calls.
Prestige 128IMH ISDN Modem/ Router/Hub 4 - 6 Remote Node Configuration Session Option: Edit Filter Sets Use the space bar to toggle this field to Yes and press [Enter] to open Menu 11.5 to edit the filter sets. See the Remote Node Filter section for more details.
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node Configuration 4 - 7 peer disconnects right after a successful authentication, please make sure that you specify the correct authentication protocol when connecting to such an implementation.
Prestige 128IMH ISDN Modem/ Router/Hub 4 - 8 Remote Node Configuration When bandwidth on demand is enabled, a second channel will be brought up if traffic on the initial channel is higher than the high Target Utility number for longer t han the specified Add Persist value.
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node Configuration 4 - 9 Figure 4 - 3 Menu 11.2 - Remote Node PPP Options The following table describes the Remote Node PPP Options Menu, and contains instructions on how to configure the PPP options fields.
Prestige 128IMH ISDN Modem/ Router/Hub 4 - 10 Remote Node Configuration Add Persist This parameter specifies the number of seconds where tr affic is above the adding threshold before the Prestige will bring up the second link.
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node TCP/I P Configuration 5 - 1 Chapter 5 Remote Node TC P/IP Configuration This chapter shows you how to configure the TCP/IP parameters of a remote node. A typical LAN - to - LAN application is to use your Prestige to connect a branch office to the headquarters, as depicted in the folllowing diagram.
Prestige 128IMH ISDN Modem/ Router/Hub 5 - 2 Remote Node TCP/IP Configuration 5.1.1 Remote Node Setup Follow the procedure in Chapter 5 - Remote Node Configuration to configure the protocol - independent parameters in Menu 11 - Remote Node Profile. For the TCP/IP parameters, follow the instructions below.
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node TCP/I P Configuration 5 - 3 The following diagram explains the Sample IP Addresses to help you to understand the field of My Wan Addr in Menu 11.
Prestige 128IMH ISDN Modem/ Router/Hub 5 - 4 Remote Node TCP/IP Configuration The following table shows the TCP/IP related fields in Menu 11.3 - Remote Node Network Layer Options. Table 5 - 2 TCP/ IP Remote Node Configuration Rem IP Address This will show the IP address you entered for this remote node in the previous menu.
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node TCP/I P Configuration 5 - 5 Once you have completed filling in the Network Layer Options Menu, press [Enter] to return to Menu 11. Press [Enter] at the message [Press ENTER to Confirm...] to save your configuration, or press [Esc] at any time to cancel.
Prestige 128IMH ISDN Modem/ Router/Hub 5 - 6 Remote Node TCP/IP Configuration 1. IP Static Route 2. IPX Static Route 3. Bridge Static Route Please enter selection: Figure 5 - 5 Menu 12 - Static Route Setup From Menu 12, select one of the available IP static routes to open Menu 12.
Prestige 128IMH ISDN Modem/ Router/Hub Remote Node TCP/I P Configuration 5 - 7 Figure 5 - 7 Edit IP Static Route The following table describes the fields for Menu 12.1.1 – Edit IP Static Route Setup. Table 5 - 3 Edit IP Static Route Menu Fields Field Description Route Name Enter a descriptive name for this route.
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Prestige 128IMH ISDN Modem/ Router/Hub IPX Configuration 6 - 1 Chapter 6 IPX Configuration This chapter shows you how to configure the IPX parameters of the Prestige. 6.1 IPX Network Environment Novell bundles the protocol stack, the server software and routing functionality in their NetWare server products.
Prestige 128IMH ISDN Modem/ Router/Hub 6 - 2 IPX Configuration 6.1.2 Frame Types IPX can run on top of four different frame types on the Ethernet. These frame types are 802.2 , 802.3 , Ethernet II (DIX ), and SNAP (Sub - Network Access Protocol). Each frame type i s a separate logical network, even though they exist on one physical cable.
Prestige 128IMH ISDN Modem/ Router/Hub IPX Configuration 6 - 3 Figure 6 - 1 Netware Server.
Prestige 128IMH ISDN Modem/ Router/Hub 6 - 4 IPX Configuration 6.2 Prestige in an IPX Environment There are two scenarios in which your Prestige is deployed, depending on whether there is a NetWare server on the LAN, as depicted in the f ollowing diagram.
Prestige 128IMH ISDN Modem/ Router/Hub IPX Configuration 6 - 5 6.2.2 Prestige on LAN without Server Each IPX network must have a seed router. If you only have NetWare clients on your network, then you must configure the Prestige as a seed router and set up unique network numbers for each frame type enabled using the Ethernet Setup Menu.
Prestige 128IMH ISDN Modem/ Router/Hub 6 - 6 IPX Configuration 6.4 I PX Ethernet Setup From Menu 3 - Ethernet Setup, select option Novell IPX Setup to go to Menu 3.3 - Novell IPX Ethernet Setup as shown in the figure below. Figure 6 - 3 Menu 3.3 - Nov ell IPX Ethernet Setup The following table describes the Novell IPX Ethernet Setup Menu.
Prestige 128IMH ISDN Modem/ Router/Hub IPX Configuration 6 - 7 Press [Enter] at the message [Press ENTER to Confirm ...] to save your configuration, or press [Esc] at any time to cancel.
Prestige 128IMH ISDN Modem/ Router/Hub 6 - 8 IPX Configuration 6.5.1 IPX Remote Node Setup Follow the procedure in Chapter 5 to configure the protocol - independent parameters in Menu 11.1 - Remote Node Profile. For the IPX - specifi c parameters in Menu 11.
Prestige 128IMH ISDN Modem/ Router/Hub IPX Configuration 6 - 9 The table below describes the IPX - specific parameters of the remote node setup . Table 6 - 2 Remote Node Novell IPX Options Field Description Option Dial - On - Query This field is necessary for your Prestige on the client side.
Prestige 128IMH ISDN Modem/ Router/Hub 6 - 10 IPX Configuration 6.5.2 IPX Static Route Setup Similar to IP, IPX static routes tell the Prestige how to reach servers beyond a remote node before a connection to that remote node is established. From Menu 12, select two, then select one of the IPX Static Routes to open Menu 12.
Prestige 128IMH ISDN Modem/ Router/Hub IPX Configuration 6 - 11 The fol lowing table contains the instructions on how to configure the Edit IP Static Route Menu. Table 6 - 3 Edit IPX Static Route Menu Fields Field Description Server Name In this field, enter the name of the server.
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Prestige 128IMH ISDN Modem/ Router/Hub Bridge Setup 7 - 1 Chapter 7 Bridging Setup This chapter shows you how to configure the bridging parameters of your Prestige. 7.1 Bridging in General Bridging bases the forwarding decision on the MAC (Media Access Control ), or hardware, address, while routing does it on the network layer (IP or IPX) address.
Prestige 128IMH ISDN Modem/ Router/Hub 7 - 2 Bridge Setup From Menu 3 - Ethernet Setup, enter option Bridge Setup and Menu 3.5 - Brid ge Ethernet Setup displays as shown below. Figure 7 - 1 Menu 3.5 - Bridge Ethernet Setup The following table describes how to configure the Handle IPX field in Menu 3.
Prestige 128IMH ISDN Modem/ Router/Hub Bridge Setup 7 - 3 7.2.1 Remote Node Bridging Setup Follow the procedure in Chapter 5 to configure the protocol - independent parameters in Menu 11.1 - Remote Node Profile. For bridging - specific parame ters, you need to configure Menu 11.
Prestige 128IMH ISDN Modem/ Router/Hub 7 - 4 Bridge Setup The following table describes the bridging - specific parameters in the Remote Node Profile and Network Layers menus. Table 7 - 2 Remote Node Network Layers Menu Bridge Options Field Description Bridge Make sure this field is set to Yes .
Prestige 128IMH ISDN Modem/ Router/Hub Bridge Setup 7 - 5 7.3 Bridge Static Route Setup Similar to network layer static routes, a bridg ing static route tells the Prestige about the route to a node before a connection is established. You configure bridge static routes in Menu 12.
Prestige 128IMH ISDN Modem/ Router/Hub 7 - 6 Bridge Setup The following table describes the Bridge Static Route Menu. Table 7 - 3 Bridge Static Route Menu Fields Field Description Route Name Enter a name for the bridge static route for identification purposes.
Prestige 128IMH ISDN Modem/ Router/Hub Dial - I n Server Configuration 8 - 1 Chapter 8 Dial - in Server Configuration You can configure your Prestige to receive calls from remote dial - in users , e.g., telecommuters, as well as remote nod es . There are several differences between dial - in users and remote nodes, as summarized in the table below.
Prestige 128IMH ISDN Modem/ Router/Hub 8 - 2 Dial - In Server Configuration 8.1 Remote Access Server Telecommuting enables people t o work at remote sites and yet still have access to the resources in the business office. Typically, a telecommuter will use a client workstation with TCP/IP and dial - out capabilities, e.
Prestige 128IMH ISDN Modem/ Router/Hub Dial - I n Server Configuration 8 - 3 8.2 LAN - to - LAN Server Application Your Prestige can also be used as a dial - in s erver for LAN - to - LAN application to provide access for the workstations on a remote network.
Prestige 128IMH ISDN Modem/ Router/Hub 8 - 4 Dial - In Server Configuration 8.3 Default Dial - In Setup This section covers the default dial - in parameters. The parameters in Menu 13 affect incoming calls from both remote dial - in users, and remote nodes until authentication is completed.
Prestige 128IMH ISDN Modem/ Router/Hub Dial - I n Server Configuration 8 - 5 Table 8 - 2 Default Dial - in Setup Fields Field Description Option Telco Options: CLID Authen This field sets th e CLID authentication parameter for all incoming calls. There are three options for this field: l None - No CLID is required.
Prestige 128IMH ISDN Modem/ Router/Hub 8 - 6 Dial - In Server Configuration does not apply to CHAP authentication. PAP Password This field is applicable only if the Mutual Authen . Field is set to Yes . Enter in the PAP password to be used to respond to the far end’s authentication request.
Prestige 128IMH ISDN Modem/ Router/Hub Dial - I n Server Configuration 8 - 7 field specifies the first one in the pool. IP Count (1,2) In this field, enter the number ( 1 or 2 ,) of addresses in the IP Pool. For example, if the starting address is 192.
Prestige 128IMH ISDN Modem/ Router/Hub 8 - 8 Dial - In Server Configuration 8.3.1 Default Dial - in Filter Use Menu 13.1 – Default Dial - in Filter to specify the filter set(s) to apply to the incoming and outgoing traffic between all dial - in users and your Prestige.
Prestige 128IMH ISDN Modem/ Router/Hub Dial - I n Server Configuration 8 - 9 Step 2. Select one of the users by number, this will bring you to Menu 14.
Prestige 128IMH ISDN Modem/ Router/Hub 8 - 10 Dial - In Server Configuration The following table provides instructions on how to fill in the Edit Dial - In User fields. Table 8 - 3 Edit Dial - in User Menu Fields Field Description Option User Name This is a required field.
Prestige 128IMH ISDN Modem/ Router/Hub Dial - I n Server Configuration 8 - 11 Table 8 - 4 Edit Dial - in User Menu Fields (continued) Field Description Option Rem CLID If you enable CLID Authen field in Menu 13, then you need to specify the telephone number from which this user calls.
Prestige 128IMH ISDN Modem/ Router/Hub 8 - 12 Dial - In Server Configuration employees, and your accounting department can avoid the hassles of accountability and reimbursement. 8.5 Multiple Servers behind SUA If you wish, you can make inside servers for different services, e.
Prestige 128IMH ISDN Modem/ Router/Hub Dial - I n Server Configuration 8 - 13 3. Enter the service port number in the Port # field and the inside IP address of the server in the IP Address field.
Prestige 128IMH ISDN Modem/ Router/Hub 8 - 14 Dial - In Server Configuration S ervices Port Number FTP (File Transfer Protocol) 21 Telnet 23 SMTP (Simple Mail Transfer Protocol) 25 DNS(Domain Name Sys.
Prestige 128IMH ISDN Modem/ Router/Hub Advanced Phone Services 9 - 1 Chapter 9 Advanced Phone Servic es The Prestige 128IMH supports a comprehensive set of advanced calling features known as Supplemental Services. These features include: • Call Waiting • Three Way Calling (conference) • Call Transfer • Call Forwarding 9.
Prestige 128IMH ISDN Modem/ Router/Hub 9 - 2 Advanced Phone Services 9.2 Setting Up Supplemental Phone Service All Supplemental Phone Services are enabled by default except for Call Waiting, which is disabled b y default but can be enabled in Menu 2.1 - ISDN Advanced Setup.
Prestige 128IMH ISDN Modem/ Router/Hub Advanced Phone Services 9 - 3 After hearing a Call Waiting indicator tone, simply hang up the telephone and wait for the telephone to ring before answering the incoming/holding call.
Prestige 128IMH ISDN Modem/ Router/Hub 9 - 4 Advanced Phone Services If you hang up your telephone during a three - way - call and the two other callers remain on the line, the ISDN network will do an implicit transfer to directly connect the two remaining callers together.
Prestige 128IMH ISDN Modem/ Router/Hub Advanced Phone Services 9 - 5 9.7 Call Forwarding Call forwarding means the switch will ring another number at a place where you will be when someone dials your directory number. There are two methods to activate call forwarding.
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Prestige 128IMH ISDN Modem/ Router/Hub Filter Configuration 10 - 1 Chapter 10 Filter Configuration 10.1 About Filtering Your Prestige uses filters to decide whether or not to allow passage of a data packet and/or to make a c all. There are two types of filters: data filters and call filters.
Prestige 128IMH ISDN Modem/ Router/Hub 10 - 2 Filter Configuration Figure 10 - 1 Outgoing Packet Filtering Process For incoming packets, your Prestige applies data filters only. Packets are processed depending upon whether a match is found. The following sections describe how to configure filter set s.
Prestige 128IMH ISDN Modem/ Router/Hub Filter Configuration 10 - 3 10.2 Configuring a Filter Set To configure a filter sets, follow the procedure below: Step 1. Select option 21. Filter Set Configuration from the Main Menu to open Menu 21. Figure 10 - 2 Menu 21 - Filter Set Configuration Step 2.
Prestige 128IMH ISDN Modem/ Router/Hub 10 - 4 Filter Configuration Figure 10 - 3 Menu 21.1 - Filter Rules Summary 10.2.1 Filter Rules Summary Menu This screen shows the summary of the existing rules in the filter set. The following tables conta in a brief description of the abbreviations used in Menu 21.
Prestige 128IMH ISDN Modem/ Router/Hub Filter Configuration 10 - 5 Table 10 - 2 Abbreviations Used in the Filter Rules Summary Menu (continued) Abbreviations Description Display Filter Rules The filter rule parameters will be displayed here (see below).
Prestige 128IMH ISDN Modem/ Router/Hub 10 - 6 Filter Configuration l If the filter type is IPX , the following abbreviations listed in the following table will be used.
Prestige 128IMH ISDN Modem/ Router/Hub Filter Configuration 10 - 7 10.3 Configuring a Filter Rule To configure a filter rule, enter its number in Menu 21.1 - Filter Rules Summary and press Enter to open Menu 21.1.1 for the rule. There are thr ee types of filter rules: TCP/IP, IPX and Generic.
Prestige 128IMH ISDN Modem/ Router/Hub 10 - 8 Filter Configuration Figure 10 - 4 Menu 21.1.1 - T CP/IP Filter Rule Menu 21.1.1 - TCP/IP Filter Rule Filter #: 1,1 Filter Type= TCP/IP Filter Rule Active.
Prestige 128IMH ISDN Modem/ Router/Hub Filter Configuration 10 - 9 The following table describes how to configure your TCP/IP filter rule. Table 10 - 6 TCP/IP Filter Rule Menu Fields Field Description Option Active This field activates/deactivates the filter rule.
Prestige 128IMH ISDN Modem/ Router/Hub 10 - 10 Filter Configuration Field Description Option according the action f ields. If More is Yes , then Action Matched and Action Not Matched will be N/A . Log Select the logging option from the following: l None – No packets will be logged.
Prestige 128IMH ISDN Modem/ Router/Hub Filter Configuration 10 - 11 10.3.2 Generic Filter Rule This section shows you how to configure a generic filter rule. The purpose of generic rules is to allow you to filter non - IP/IPX packets. For IP and IPX packets, it is generally easier to use the IP and IPX rules directly.
Prestige 128IMH ISDN Modem/ Router/Hub 10 - 12 Filter Configuration The table below describes the fields in the Generic Filter Rule Menu. Table 10 - 7 Generic Filter Rule Menu Fields Field Description Default Offset Enter the starting byte of the data portion in the packet that you wish to compare.
Prestige 128IMH ISDN Modem/ Router/Hub Filter Configuration 10 - 13 10.4 Novell IPX Filter Rule This section shows you how to configure an IPX filter rule. IPX filters allow you to base the rules on the fields in the IPX headers. To configure an IPX rules, select IPX Filter Rule from the Filter Ty pe field and press Enter to open Menu 21.
Prestige 128IMH ISDN Modem/ Router/Hub 10 - 14 Filter Configuration The table below describes the IPX Filter Rule. Table 10 - 8 IPX Filter Rule Menu Fields Field Description IPX Packet Type Enter the IPX packet type (1 - byte in hexadecimal) you wish to filter.
Prestige 128IMH ISDN Modem/ Router/Hub SNMP Configuration 11 - 1 Chapter 11 SNMP Configuration 11.1 About SNMP SNMP (Simple Network Management Protocol) is a protocol for n etwork management and monitoring. Your Prestige supports SNMP agent functionality, which allows a manager station to manage and monitor the Prestige through the network.
Prestige 128IMH ISDN Modem/ Router/Hub 11 - 2 SNMP Configuration The following table describes the SNMP configuration parameters. Table 11 - 1 SNMP Configuration Menu Fields Field Description Default Get Community Enter the get community, which is the password for the incoming Get - and GetNext - requests from the management station.
Prestige 128IMH ISDN Modem/ Router/Hub System Security 12 - 1 Chapter 12 System Security This chapter covers Menu 23, which is for you to change the system password and to configure an exte rnal authentication server. 12.1 Changing the System Password To change the system password , following steps below: Step 1.
Prestige 128IMH ISDN Modem/ Router/Hub 12 - 2 System Security Step 2. From the System Security Menu, select option Change Password to open Menu 23.1 - System Security - Change Password. Step 3. Enter your existing system password and press [Enter] . Figure 12 - 2 Menu 23.
Prestige 128IMH ISDN Modem/ Router/Hub System Security 12 - 3 12.2 Using RADIUS Authentication Your Prestige has a built - in dial - up user list; however, the number of users that can be stored locally is limited due to memory constraints.
Prestige 128IMH ISDN Modem/ Router/Hub 12 - 4 System Security.
Prestige 128IMH ISDN Modem/ Router/Hub System Security 12 - 5 12.2.2 RADIUS Server Configuration To configure the RADIUS server, select option 23, System Security, from the Main Menu to open Menu 23 - System Security. Select option 2, External Server from this menu to open Menu 23.
Prestige 128IMH ISDN Modem/ Router/Hub 12 - 6 System Security The fields in the System Security - External Server Menu are listed in the following table. Table 12 - 1 System Security - External Server Menu Fields Field Description Default Active Determines whether the external security facility is enabled.
Prestige 128IMH ISDN Modem/ Router/Hub System Security 12 - 7 12.2.5 Using RADIUS Authentication for CLID To use RADIUS for CLID authentication, create a user record in the users file where the user name (the first field) is the telephone number, and the password (the second field) is always Zyxel-CLID (case - sensitive).
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Prestige 128IMH ISDN Modem/ Router/Hub Telnet Configuration 13 - 1 Chapter 13 Telnet Configuration and Capabilities 13.1 About Telnet Configuration Before the Prestige is properly setup for TCP/IP, the only option for configuring it is through the console port.
Prestige 128IMH ISDN Modem/ Router/Hub 13 - 2 Telnet Configuration 13.2 Telnet Under SUA When Single User Account (SUA) is enabled and an inside server is specified, t elnet connections from the outside will be forwarded to the inside server.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 1 Chapter 14 System Maintenance This chapter covers the diagnostic tools that help you to maintain your Prestige. These tools include updates on system status, port status, log and trace capabilities and upgrades for the system software.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 2 System Maintenance 14.1 System Status The first selection, System Status , gives you information on the version of your system firmware and the status and statistics of the ports, as shown in below. System Status is a tool that can be used to monitor your Prestige.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 3 Table 14 - 1 System Maintenance - Status Menu Fields Field Description Chan Shows s tatistics for B1 and B2 channels respectively.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 4 System Maintenance WAN CHAN 1 IP Addr Refers to the IP address of the Prestige on Channel 1. CHAN 2 IP Addr Refers to the IP address of the Prestige on Channel 2. Port 1 CLID Shows the Caller ID of the peer on Port 1.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 5 14.1.1 System Information Figure 14 - 4 System Maintenance - Information Menu 24.2.1 – System Maintenance - Information Name: Routing: IP RAS S/W Version: V2.21B01 | 11/6/98 ISDN F/W Version: V 099 Country Code: 238 LAN Ethe rnet Address:00:a0:c5:02:34:56 IP Address: 192.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 6 System Maintenance Tab le 14 - 2 Fields in System Maintenance Field Description Name displays the system name of your Prestige. This information can be modified in Menu 1 - General Setup . Routing refers to the routing protocol used .
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 7 Figure 14 - 5 Menu 24.2.2 – System Maintenance – Change Console Port Speed 14.2 Log and Trace There are two logging facilities in the Prestige. The first is the error logs and trace records that are stored locally.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 8 System Maintenance Examples of typical error and information messages are presented in the figure below. Figure 14 - 6 Examples of Error and Information M.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 9 14.2.2 Syslog And Accounting The Prestige uses the UNIX syslog facility to log the CDR (Call Detail Record) and system messages to a syslog server. Syslog and acc ounting can be configured in Menu 24.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 10 System Maintenance 1. Call Information Messages: line 1 channel 1, call 41, C01, Incoming Call, 40001 line 1 channel 1, call 41, C01, ANSWER Connected, 49K 40001 line 1 channel 1, call 41, C01, Incoming Call, Call Terminated 2.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 11 14.3 Diagnostic The diagnostic facility allows you to test the di fferent aspects of your Prestige to determine if it is working properly. Menu 24.4 allows you to choose among various types of diagnostic tests to evaluate your system, as shown below.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 12 System Maintenance The following table describes the diagnostic tests available in Menu 24.4 for your Prestige and the connections. Table 14 - 4 System Maintenance Menu Diagnostic Field Description Hang Up B1 Call This tool hangs up the B1 channel.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 13 The following figure shows an example of a successful connection after selecting option Manual Call in Menu 24.4. Fi gure 14 - 9 Trace Display for a Successful Manual Call This figure shows a trace example where authentication failed.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 14 System Maintenance 14.4 Backup Configuration Option 5 from Menu 24 - System Maintenance allows you to backup the current Prestige configuration to your workstation. Backup is highly recommended once your Prestige is functioning properly.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 15 below. Figure 14 - 11 Menu 24.7 - Sys tem Maintenance - Upload Firmware 14.6.1 Upload Router Firmware The firmware is the program that controls the functions of the Prestige. Menu 24.7.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 16 System Maintenance 14.6.2 Uploading Router Configuration File The configuration data, system - related data, the error log and the trace log are all stored in the configuration file. Please be aware that uploading the configuration file replaces everything contained within.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 17 Figure 14 - 13 Menu 24.7.2 - System Maintenance - Upload Router Configuration File 14.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 18 System Maintenance Step 2. Put the SMT in command interpreter (CI) mode by entering 8 in Menu 24 – System Maintenance . Step 3. Enter command “ sys stdio 0 ” to disable SMT timeout, so the TFTP transfe r will not be interrupted.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 19 Figure 14 - 14 Boot module commands ======= Debug Command Listing ======= ATHE ATGO ATUR ATUR3 ATBAx ATTD ATSE ATSH print help boot system upload RAS code upload RAS configuration file ch ange baud rate.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 20 System Maintenance 14.7 Command Interpreter Mode This option allows you to enter the command interpreter mode. A list of valid commands can be found by typing [help] at the command prompt. For more detailed information, check the ZyXEL Web site or send e - mail to the ZyXEL Support Group.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 21 (configurable in Menu 24.9.1), then the phone number is put in the blacklist. You will have to enable the number manually before the Prestige will dial that number again. Call history chronicles preceding incoming and outgoing calls.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 22 System Maintenance Table 14 - 5 Call Control Parameters Fields Field Description Dial er Timeout: Digital Call (sec) The Prestige will timeout if it can not set up an outgoing digital call within the timeout value.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 23 Figure 14 - 18 Menu 24.9.2 - Blacklist.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 24 System Maintenance 14.8.3 Budget Management Menu 24.9.3 shows the budget management statistics for outgoing calls.
Prestige 128IMH ISDN Modem/ Router/Hub System Maintenance 14 - 25 Figure 14 - 20 Call History Table 14 - 6 Call History Fields Field Description Phone Number This is the telephone number of past incoming and outgoing calls. Dir This shows whether the call was incoming or outgoing.
Prestige 128IMH ISDN Modem/ Router/Hub 14 - 26 System Maintenance #call This is the number of calls made to or received from that telephone number. Max This is the length of time of the longest telephone call. Min This is the length of time of the shortest telephone call.
Prestige 128IMH ISDN Modem/ Router/Hub Troubleshooting 15 - 1 Chapter 15 Trou bleshooting This chapter covers the potential problems you may run into and the possible remedies. After each problem description, some instructions are provided to help you to diagnose and to solve the problem.
Prestige 128IMH ISDN Modem/ Router/Hub 15 - 2 Troubleshooti ng 15.2 Problems With the ISDN Line Table 15 - 2 Troubleshooting the ISDN Line Problem Corrective Action Check the error log (in menu 24.3.1 ), you should see a log entry for the ISDN initialization failure in the format, ‘ ISDN init failed.
Prestige 128IMH ISDN Modem/ Router/Hub Troubleshooting 15 - 3 15.3 Problems with the LAN Interface Table 15 - 3 Troubleshooting the LAN Interface Problem Corrective Action Check the Ethernet LEDs on the front panel. The LED should be on for a port that has a station connected.
Prestige 128IMH ISDN Modem/ Router/Hub 15 - 4 Troubleshooti ng If the remote dial - in user is neg otiating IPX, verify that the IPX network number is valid from the IPX pool (if it is being used).
Prestige 128IMH ISDN Modem/ Router/Hub Worksheet 1 ISDN Information Worksheet General Setup Information System Name Protocol Routing q TCP/IP q IPX ISDN Setup Information Switch Type q AT&T 5ESS P.
Prestige 128IMH ISDN Modem/ Router/Hub 2 Worksheet Subaddr ess Outside Line Prefix PABX # (S/T bus) Incoming Number Matching q MSN q CDSA q Don’t Care Analog Call Routing q A/B #1 q A/B #2 q Ignore Global Analog Call q Accept q Ignore Ethernet Setup Information Ethernet Interface q UTP q AUI IP Addres s ________.
Prestige 128IMH ISDN Modem/ Router/Hub Acronyms and Abbreviations 1 Acronyms and Abbreviations BAP/BACP Bandwidth Allocation Protocol/Bandwidth Allocation Control protocol BOD Bandwidth on Demand CDR .
Prestige 128IMH ISDN Modem/ Router/Hub 2 Acronyms and Abbreviations PSTN Public Switched Telephone Network RADIUS Remote Authentication Dial - In User Service RIP Routing Infor mation Protocol SAP (IP.
Prestige 128IMH ISDN Modem/ Router/Hub Index 1 Index 802.2, 6 - 1 802.3, 6 - 1 A/B Adapter, xxi authentication , 4 - 4 , 4 - 6 , 8 - 5 backup, 14 - 15 BACP, 4 - 6 Bandwidth on Demand. See BOD BAP, 4 - 6 Base Transmi ssion Rate, 4 - 6 baud, 14 - 6 blacklist, 14 - 22 BOD, 4 - 6, 4 - 7 bridge .
Prestige 128IMH ISDN Modem/ Router/Hub I - 2 Index frame type, 6 - 1, 6 - 5 g ateway , 5 - 7 , 6 - 10 , 7 - 16 General Setup, 2 - 16 generic filter rule, 10 - 15 hop count , 6 - 10 IANA, 3 - 2 idle ti.
Prestige 128IMH ISDN Modem/ Router/Hub Index 3 p rivate , 5 - 4 , 5 - 7 protocols , 2 - 17 RADIUS, 1 - 3, 12 - 23 RAS code, 14 - 16 remote node, 4 - 1, 8 - 1 Remote Node , 4 - 8 , 4 - 9 , 14 - 3, 14 -.
An important point after buying a device ZyXEL Communications Prestige 128IMH (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ZyXEL Communications Prestige 128IMH yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ZyXEL Communications Prestige 128IMH - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ZyXEL Communications Prestige 128IMH you will learn all the available features of the product, as well as information on its operation. The information that you get ZyXEL Communications Prestige 128IMH will certainly help you make a decision on the purchase.
If you already are a holder of ZyXEL Communications Prestige 128IMH, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ZyXEL Communications Prestige 128IMH.
However, one of the most important roles played by the user manual is to help in solving problems with ZyXEL Communications Prestige 128IMH. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ZyXEL Communications Prestige 128IMH along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center