Manuale d’uso / di manutenzione del prodotto III ISA del fabbricante PictureTel
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http://www .3com.com/ EtherLink ® III ISA Network Interface Car d User Guide A member of the 3Com EtherLink III family of network interface cards Part No.
ii 3Com Corporation ■ 5400 Bayfront Plaza ■ Santa Clara, California ■ 95052-8145 Copyright © 1997, 3Com Corporation. All rights reserved. No part of this documentation may be repr oduced in any.
Lifetime Limited W arranty 3Com’ s EtherLink ® , Fast EtherLink, T okenLink ® , T okenLink V elocity ™ , A TMLink ™ PCI, and FDDILink ™ network interface cards have a Lifetime Limited W arranty . For further details, please see 3Com’ s Limited W arranty statement in this guide.
Customers in the countries or regions shown below should send the completed registration car d to the appropriate addr ess. Customers in other non-U.S. locations should send the registration car d to the U.S. address on the fr ont of the card. ■ Asia 3Com Asia Ltd.
iii C ONTENTS A BOUT T HIS G UIDE How to Use This Guide 1 Conventions 2 1 N ETWORK I NTERFACE C ARD I NSTALLATION Network Interface Card Overview 1-1 Before Y ou Begin 1-2 Installing the NIC 1-3 Conne.
iv Configuring TCP/IP Under Windows 95 3-6 T o Obtain an IP Address Automatically 3-6 T o Specify an IP Address Manually 3-7 Configuring DNS 3-8 T o Obtain a DNS Address Automatically 3-8 T o Specif.
v Changing the I/O Base Address or the Interrupt Request Level 5-2 Windows 95 5-2 Windows NT 5-3 Installing Multiple NICs in a Windows NT PC 5-4 Installing the First NIC 5-4 Installing Subsequent NICs.
vi B A DVANCED PACE F EATURES Additional Ranges T ab B-1 Advanced Options T ab B-2 FIFO Packet Threshold B-3 Concurrent UDP Streams B-3 Low-Priority Ratio B-3 Natural Packet Interval B-3 Disable Switc.
vii F IGURES 1-1 3C509B Network Interface Cards 1-1 1-2 Installing the 3C509B NIC 1-4 1-3 Connecting to the RJ-45 Port on the 3C509B NIC 1-5 1-4 Connecting to the BNC Port on the 3C509B-TPC NIC 1-6 1-.
viii 3-15 Save Installation Settings Screen 3-14 3-16 Installation Complete Screen 3-15 3-17 System Settings Change Dialog Box 3-16 3-18 Adapters T ab of the Network Screen 3-17 3-19 Microsoft TCP/IP .
ix T ABLES 1 Notice Icons 2 2 T ext Conventions 2 1-1 Parameters for 3C509B NIC Models 1-2 1-2 NIC LED Interpretation 1-7 4-1 NetW are NLMs 4-3 4-2 Network Driver T ext File Names 4-3 4-3 Option Setti.
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A BOUT T HIS G UIDE About This Guide provides an overview of this guide, describes guide conventions, and tells you where to look for specific information. This guide describes how to install, configure, and tr oubleshoot the 3Com ® EtherLink ® III ISA network interface card (called the 3C509B NIC in this guide).
2 A BOUT T HIS G UIDE Conventions T able 1 and T able 2 list conventions that are used thr oughout this guide. T able 1 Notice Icons Icon Notice Type Alerts you to.
1 N ETWORK I NTERFACE C ARD I NSTALLATION This chapter describes the 3C509B network interface card (NIC), provides pr ocedures for installing the NIC, and describes the correct network cable to use for connecting each version of the NIC to an Ethernet network.
1-2 C HAPTER 1: N ETWORK I NTERFACE C ARD I NSTALLATION T able 1-1 shows the cable, connector , transceiver , and maximum network segments for the various 3C509B NIC models. Before Y ou Begin Before you install the 3C509B NIC, verify that you have all of the components.
Installing the NIC 1-3 Y ou also need to know the following about your network environment: ■ The kind of network cabling that is used to connect to the network at your site. Y ou must use the same kind of network cable, and the NIC that you install in your PC must have a port that matches the connector on the network cable that you use.
1-4 C HAPTER 1: N ETWORK I NTERFACE C ARD I NSTALLATION 3 Locate an available ISA or EISA slot and r emove the screw fr om the corresponding backplate ( Figur e 1-2 ). Save the screw . Some PCs have both ISA and PCI slots. Make sure that you install the EtherLink III ISA NIC in either an ISA or an EISA slot.
Connecting to the Network 1-5 Connecting to the Network This section describes how to connect the 3C509B NIC to an Ethernet network using an RJ-45, BNC, or AUI port.
1-6 C HAPTER 1: N ETWORK I NTERFACE C ARD I NSTALLATION Follow these steps to connect the BNC port on the 3C509B-TPC and COMBO NICs to the network: 1 Connect the BNC connector on the thin Ethernet coaxial cable to the BNC port on the NIC. See Figur e 1-4 .
Link LED 1-7 2 Connect the thick Ethernet coaxial cable to the AUI port on the NIC. This connector will only attach one way . Orient the AUI connector to match the AUI port on the NIC. 3 Move the slide latch up to the closed position to lock the AUI connector in place.
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2 S ETUP FOR C USTOM I NSTALLATION This chapter describes how to set up your Windows 95 or Windows NT PC so that you can use the 3Com Installation W izard to install and configure a 3C509B NIC. If you are running Windows 95, you must first determine if a Plug and Play BIOS is installed in your PC.
2-2 C HAPTER 2: S ETUP FOR C USTOM I NSTALLATION Custom Installation Custom installation is for knowledgeable network users who need to use differ ent configuration settings or change test sequences for automated installations.
Windows 95 Setup 2-3 Figure 2-1 Windows 95 NIC Installation Overview User guide Chapter 2 User guide Chapter 2 User guide Chapter 3 User guide Chapter 2 User guide Chapter 1 3Com Installation Wizard E.
2-4 C HAPTER 2: S ETUP FOR C USTOM I NSTALLATION Performing the Preinstallation Pr ocedur e Preinstallation is important for pr oper setup of your W indows 95 system environment. Y ou must perform this procedur e to ensure that the latest NIC driver and the 3Com NIC Diagnostics (a Windows-based program) can be successfully installed.
Windows 95 Setup 2-5 Figure 2-3 non–Plug and Play BIOS Detected Scr een T o install the NIC using the 3Com Installation W izard Express installation option, see the EtherLink III ISA Network Interface Card Quick Guide that shipped with the 3C509B NIC.
2-6 C HAPTER 2: S ETUP FOR C USTOM I NSTALLATION 2 Insert EtherDisk diskette 1 in drive A. 3 Click Next . Windows 95 displays the Update Device Driver W izard again, this time confirming that it has found the updated NIC driver . See Figur e 2-5 . Figure 2-5 Updated Driver Found Scr een 4 Click Finish .
Windows 95 Setup 2-7 Disabling Plug and Play on the NIC If your Windows 95 PC does not support Plug and Play , you must disable Plug and Play on the NIC before you can install the NIC software. Follow these steps to disable Plug and Play on the NIC: 1 After installing the NIC in the PC, turn the power on and boot Windows 95.
2-8 C HAPTER 2: S ETUP FOR C USTOM I NSTALLATION Configuring the NIC This section describes the procedur e to install NIC software and configure the NIC when Plug and Play has been disabled on the NIC.
Windows 95 Setup 2-9 5 Insert EtherDisk diskette 1 in drive A and click Have Disk. The Install from Disk scr een appears, as shown in Figur e 2-8 . Figure 2-8 Install fr om Disk Screen 6 If it is not alr eady displayed in the Copy manufacturer’ s files from entry box, enter: a: 7 Click OK .
2-10 C HAPTER 2: S ETUP FOR C USTOM I NSTALLATION Figure 2-10 I/O Range Assigned to the NIC Scr een 9 W rite down the I/O range setting displayed in the list box (or click Print , if you ar e connected to a printer), and then click Next .
Windows NT Setup 2-11 Figure 2-11 provides a graphical overview of the steps r equired for installing and configuring the 3C509B NIC under Windows NT .
2-12 C HAPTER 2: S ETUP FOR C USTOM I NSTALLATION Follow these steps to install and configure the 3C509B NIC under Windows NT : 1 Install the NIC in your PC. See Chapter 1 . 2 Boot Windows NT . 3 Double-click the My Computer Icon, double-click the Contr ol Panel icon, and then double-click the Network icon.
3 3C OM I NSTALLATION W IZARD This chapter describes how to install and configure the 3C509B NIC under Windows 95 or W indows NT using the 3Com Installation Wizard Custom installation option. T o install the NIC using the Express installation option, see the EtherLink III ISA Network Interface Card Quick Guide .
3-2 C HAPTER 3: 3C OM I NSTALLATION W IZARD Configuring the NIC The NIC Configuration Settings screen appears, as shown in Figur e 3-2 . The list box displays recommended configuration settings for the NIC. Y ou can either accept the recommended settings or change one or more to suit your operating environment.
T esting the NIC and the Network Connection 3-3 T o Modify Configuration Settings Follow these steps to change configuration settings in a Windows 95 non–Plug and Play PC: 1 Under Network Parameter , select I/O Base Address .
3-4 C HAPTER 3: 3C OM I NSTALLATION W IZARD Follow these steps to test the NIC: 1 Click Perform NIC T est . While the test is running, a progr ess bar indicates test progr ess. If a test fails, a message indicates the error type. Click the Help button in the error message scr een to obtain more information.
Installing TCP/IP Under Windows 95 3-5 Installing TCP/IP Under Windows 95 Installing and configuring TCP/IP is optional. If you want to access the Internet, you must install and configur e TCP/IP . Figure 3-5 TCP/IP Inquiry Scr een T o Not Install TCP/IP Follow these steps if you do not want to install TCP/IP: 1 Select the No radio button.
3-6 C HAPTER 3: 3C OM I NSTALLATION W IZARD Figure 3-6 TCP/IP Configuration Scr een Configuring TCP/IP Under Windows 95 There ar e two ways to assign an IP address.
Configuring TCP/IP Under Windows 95 3-7 T o Specify an IP Address Manually Follow these steps to specify an IP address manually: 1 Select the Specify an IP address manually radio button. 2 Click Next . The Specify an IP Address scr een appears, as shown in Figur e 3-7 .
3-8 C HAPTER 3: 3C OM I NSTALLATION W IZARD Configuring DNS Dynamic Name Server (DNS) converts a World Wide Web URL to an actual IP address. Y ou can configure DNS either automatically or manually depending on how your network is set up. When you click Next in the previous section, the DNS Configuration screen appears, as shown in Figur e 3-8 .
Configuring DNS 3-9 T o Specify a DNS Address Manually Follow these steps to specify a DNS address manually: 1 Select the Specify DNS manually radio button if you are using a permanent DNS address.
3-10 C HAPTER 3: 3C OM I NSTALLATION W IZARD Identifying Y our PC on the Network When you click Next in the previous section, the Network Identification screen appears, as shown in Figur e 3-10 . This screen enables you to identify your PC on the network.
Configuring DynamicAccess Software 3-11 Configuring Dynamic Access Software The Dynamic Access feature set optimizes network performance. Dynamic Access softwar e includes P ACE Interactive Access technology , dRMON (distributed RMON) support, Efficient Multicast Control, and P ACE real-time and multimedia application support.
3-12 C HAPTER 3: 3C OM I NSTALLATION W IZARD T o Configure Dynamic Access Softwar e Follow these steps if you want to configure Dynamic Access software: 1 Double-click the 3Com P ACE Config icon shown in Figur e 3-11 . The P ACE Support Setup screen appears, as shown in Figur e 3-12 .
Repeating a Previous Installation 3-13 Repeating a Previous Installation Y ou can save the configuration settings and test options that you selected during this installation for use in future installations.
3-14 C HAPTER 3: 3C OM I NSTALLATION W IZARD T o Save Installation Settings Follow these steps to save these configuration settings for future installations: 1 Select the Ye s radio button, and then click Next . The Confirm Installation Settings screen appears, as shown in Figur e 3-14 .
Repeating a Previous Installation 3-15 3 Enter the path for the EtherDisk diskette that you are using. This installation diskette is first copied to a temporary directory , and then that file is copied to the drive that you indicate. If you are saving to a diskette, insert a blank, formatted diskette in drive A.
3-16 C HAPTER 3: 3C OM I NSTALLATION W IZARD Completing the Installation and Configuration Procedur es for completing the installation and configuration differ for Windows 95 and W indows NT . Windows 95 This section describes how to complete the NIC installation and configuration under Windows 95 after you close the 3Com Installation Wizard.
Completing the Installation and Configuration 3-17 Windows NT This section describes how to complete the NIC installation and configuration under Windows NT after you close the 3Com Installation Wizard. Clicking Finish on the Installation Complete scr een closes the 3Com Installation Wizard.
3-18 C HAPTER 3: 3C OM I NSTALLATION W IZARD Figure 3-19 Micr osoft TCP/IP Properties Scr een 2 Choose a method to configur e TCP/IP . There ar e two ways to assign an IP address. Y ou can obtain an IP address automatically or specify an IP addr ess manually .
Completing the Installation and Configuration 3-19 ■ T o specify an IP address manually —Follow these steps to install and configure TCP/IP manually: a Select the Specify an IP address radio button. b Enter the IP address, subnet mask addr ess, and default gateway address in their r espective entry fields.
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4 S OFTWARE I NSTALLATION AND C ONFIGURATION U NDER W INDOWS 3. X This chapter describes how to install NIC software and configur e the NIC under DOS, Windows 3.1, or W indows for Workgroups. If your PC is running Windows 95 or W indows NT , go to Chapter 2 and Chapter 3 .
4-2 C HAPTER 4: S OFTWARE I NSTALLATION AND C ONFIGURATION U NDER W INDOWS 3. X Figure 4-1 Main Menu of the DOS Installation Pr ogram 5 Select Auto Install and Config for NetWare (AutoLink) and press Enter . The AutoLink program menu is displayed. 6 Select DOS , Windows 3.
Installing Other Supported Network Drivers 4-3 Obtaining NetW are Loadable Modules Y ou can obtain current NetW are Loadable Modules (NLMs) for the NetW are servers listed in T able 4-1 fr om the Novell Web site, www .support.novell.com. The 3C509B NIC no longer supports NetWare 3.
4-4 C HAPTER 4: S OFTWARE I NSTALLATION AND C ONFIGURATION U NDER W INDOWS 3. X Removing NIC Software EtherDisk diskette 2 includes an uninstallation pr ogram to remove the 3C509B NIC software. T o run the uninstallation program, at the DOS pr ompt, Enter: un3c509.
Reconfiguring the NIC 4-5 Figure 4-2 NIC Configuration Scr een 7 Select Auto Configure and pr ess Enter . The I/O base address, interrupt r equest level, and transceiver type are automatically configur ed to settings that do not conflict with other devices in your PC.
4-6 C HAPTER 4: S OFTWARE I NSTALLATION AND C ONFIGURATION U NDER W INDOWS 3. X The following procedur es are general. If you r equire more detail, see the configuration documentation that accompanied your PC.
Reconfiguring the NIC 4-7 If you are pr ompted for the wrong !TCM file: a T ur n the power off and r emove the NIC. b Clean the edge connectors on the NIC. c Reinsert the NIC in the slot. Make sure the NIC is fully seated in the slot. d T ur n the power on.
4-8 C HAPTER 4: S OFTWARE I NSTALLATION AND C ONFIGURATION U NDER W INDOWS 3. X Changing Configuration Settings Figure 4-2 , the NIC Configuration screen, shows the curr ent configuration settings for the installed NIC.
Changing Configuration Settings 4-9 Follow these steps to change the configuration settings: 1 Run the installation pr ogram described in “Confi guring the NIC ” earlier in this chapter . 2 Fr om the main menu (see Figur e 4-1 ), select Configuration and Diagnostic Program .
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5 W INDOWS 95 AND W INDOWS NT T ROUBLESHOOTING This chapter explains how to isolate and solve problems that may occur when you install the 3C509B NIC in a PC running Windows 95 or W indows NT . Checklist If you experience problems installing the NIC, first check these items: ■ Check the NIC LED, as described in “Link LED ” in Chapter 1 .
5-2 C HAPTER 5: W INDOWS 95 AND W INDOWS NT T ROUBLESHOOTING Changing the I/O Base Address or the Interrupt Request Level If you discover that you have a resour ce conflict, you can change the I/O base address or the interrupt r equest level (IRQ).
Changing the I/O Base Address or the Interrupt Request Level 5-3 Windows NT Follow these steps to change the IRQ level assignment or the I/O base address in a Windows NT PC: 1 Double-click the 3Com icon in the taskbar tray . The General tab of the 3Com NIC Diagnostics program appears.
5-4 C HAPTER 5: W INDOWS 95 AND W INDOWS NT T ROUBLESHOOTING Installing Multiple NICs in a Windows NT PC If you are installing multiple 3C509B NICs in a Windows NT 4.
Installing Multiple NICs in a Windows NT PC 5-5 11 Click Close . The Microsoft TCP/IP Pr operties screen appears. 12 Fr om the Adapter box, select 3Com EtherLink III 3C509 ISA Adapter , select a method of assigning the TCP/IP address, and then click OK .
5-6 C HAPTER 5: W INDOWS 95 AND W INDOWS NT T ROUBLESHOOTING 8 Fr om the Adapter box, select 3Com EtherLink III 3C509 ISA Adapter , select a method of assigning the TCP/IP address, and then click OK . Messages are displayed, and you ar e prompted to r eboot.
Diagnostic T esting Under W indows 95 and Windows NT 5-7 T able 5-1 shows the various tab screens that are available within the 3Com NIC Diagnostics program. . T able 5-1 3Com NIC Diagnostics Program T ab Screens Tab Description General The General tab is the first screen to appear when you start the diagnostic program.
5-8 C HAPTER 5: W INDOWS 95 AND W INDOWS NT T ROUBLESHOOTING Running T ests T wo tests help you troubleshoot problems with the NIC: the NIC test and the network test. NIC T est Run the NIC test to determine that the NIC is working correctly . Be sure to run this test after you have verified that the network is functioning.
Reinstalling NIC Software 5-9 Follow these steps to uninstall the NIC software in a PC running Windows 95 or W indows NT . 1 Double-click the My Computer icon, double-click the Contr ol Panel icon, and then double-click the Network icon. 2 Select the 3C509B NIC.
5-10 C HAPTER 5: W INDOWS 95 AND W INDOWS NT T ROUBLESHOOTING Performing Automated Installations This section describes how to install and configure 3C509B NICs when you want to perform multiple installations automatically or when you must reinstall the NIC softwar e because it has been lost or corrupted.
6 W INDOWS 3. X T ROUBLESHOOTING This chapter explains how to isolate and solve problems that may occur when you install the 3C509B NIC in a PC running DOS, Windows 3.1, or W indows for Workgroups. Checklist If you experience problems installing the NIC, first check these items: ■ Check the NIC LED, as described in “Link LED ” in Chapter 1 .
6-2 C HAPTER 6: W INDOWS 3. X T ROUBLESHOOTING Diagnostic tests are divided into thr ee groups: ■ The Group 1 tests check the physical components, connectors, and circuitry on the NIC.
Diagnostic T esting Under W indows 3.x 6-3 Follow these steps to run the Group 1 tests: 1 Fr om the T est menu, select Run T ests and press Enter . The Run T ests dialog box appears with the Start button already selected. 2 Pr ess Enter to start the tests.
6-4 C HAPTER 6: W INDOWS 3. X T ROUBLESHOOTING Starting the Group 2 T est Follow these steps to run the Group 2 test on either the 3C509B-TPC or 3C509B-COMBO NIC: 1 Connect the loopback plug to the r ound BNC connector on the NIC.
Diagnostic T esting Under W indows 3.x 6-5 The main window of the diagnostic program is displayed. 3 Fr om the T est menu, select Echo Server , and then click Start .
6-6 C HAPTER 6: W INDOWS 3. X T ROUBLESHOOTING Getting Help If a T est Fails If a diagnostic test fails, the NIC may not be defective. The problem may be incorr ect configuration settings, settings that conflict with other NICs, or improper installation.
A S PECIFICATIONS This appendix lists specifications, pin assignments, and cable requir ements for the 3C509B NIC. NIC Specifications Network Interface 3C509B-TP 3C509B-TPO Ethernet IEEE 802.3i 10BASE-T industry standard for a 10 Mbps baseband CSMA/CD local area network 3C509B-COMBO 3C509B-TPC IEEE 802.
A-2 A PPENDIX A: S PECIFICATIONS RJ-45 Connector Pin Assignments Figure A-1 shows the RJ-45 connector pin assignments. Figure A-1 RJ-45 Connector Pin Assignments AUI Connector Pin Assignments T able A-1 lists the pin assignments for the AUI (attachment unit interface) connector .
Cable Specifications A-3 Cable Specifications In order to maintain compliance with the limits of a Class B digital device, 3Com requir es that you use quality interface cables when connecting to this device. Changes or modifications not expressly approved by 3Com could void the user’ s authority to operate this equipment.
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B A DVANCED PACE F EATURES This appendix describes P ACE advanced features and how to use them. Additional Ranges T ab The Additional Ranges tab of the 3Com P ACE Support Setup screen allows you to add information for P ACE-supported applications that are not listed in the list box on the Supported Applications tab.
B-2 A PPENDIX B: A DVANCED PACE F EATURES 4 Select the appropriate pr otocol for that application. Refer to the application’ s user guide for the recommended pr otocol. Some applications support multiple protocols and use dif ferent port or socket ranges for each protocol.
Advanced Options T ab B-3 The following advanced values can be modified to regulate P ACE traffic on the network. FIFO Packet Threshold Controls the number of non-P ACE packets that the network driver allows in the FIFO ahead of P ACE packets. A smaller number decreases the time between P ACE packets, but it can also decrease performance.
B-4 A PPENDIX B: A DVANCED PACE F EATURES Disable Switch Packet Prioritization This option disables modification of Ethernet packets used for prioritization of multimedia traffic within 3Com switch pr oducts.
C C ROSSOVER C ABLE T ROUBLESHOOTING T IPS When you work with 10BASE-T cabling, concentrators, and NICs from dif ferent vendors, it is possible to connect everything but still have no communication between file servers and workstations. When there ar e several unknown variables, it is difficult to determine which component is failing.
C-2 A PPENDIX C: C ROSSOVER C ABLE T ROUBLESHOOTING T IPS 2 T o make a crossover cable, connect TD+ to RD+ and TD– to RD–. The cable performs the crossover that is usually performed by the hub. Figur e C-1 shows the pinouts for the crossover cable: .
D T ECHNICAL S UPPORT 3Com provides easy access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the very latest, we recommend that you access 3Com Corporation’ s World Wide Web site as described below .
D-2 A PPENDIX D: T ECHNICAL S UPPORT Access by Analog Modem T o reach the service by modem, set your modem to 8 data bits, no parity , and 1 stop bit. Call the telephone number nearest you: Access by Digital Modem ISDN users can dial in to 3ComBBS using a digital modem for fast access up to 56 Kbps.
Support from Y our Network Supplier D-3 Local access numbers are available within the following countries: 3ComForum on CompuServe Online Service 3ComForum is a CompuServe-based service containing patches, software, drivers, and technical articles about all 3Com pr oducts, as well as a messaging section for peer support.
D-4 A PPENDIX D: T ECHNICAL S UPPORT Support from 3Com If you are unable to r eceive support from your network supplier , technical support contracts are available fr om 3Com. Contact your local 3Com sales office to find your authorized service provider using one of these numbers: Regional Sales Office Telephone Number 3Com Corporation P.
Support from 3Com D-5 3Com GmbH Austria Czech Republic/Slovak Republic Germany (Central European HQ) Hungary Poland Switzerland 43 1 513 4323 420 2 21845 800 49 30 34 98790 (Berlin) 49 89 627320 (Munich) 36 1 250 83 41 48 22 6451351 41 31 996 14 14 3Com Ireland 353 1 820 7077 3Com Latin America U.
D-6 A PPENDIX D: T ECHNICAL S UPPORT Returning Products for Repair Before you send a pr oduct directly to 3Com for r epair , you must first obtain a Return Materials Authorization (RMA) number . Products sent to 3Com without RMA numbers will be r eturned to the sender unopened, at the sender’ s expense.
I NDEX Numbers 3C509B NIC specifications 1-2 3Com Bulletin Board Service (3ComBBS) D-1 3Com Installation Wizard 3-1 Custom installation 2-1 Express installation 2-1 3Com sales offices D-4 3Com URL D.
2 I NDEX drivers, installing supported Novell NetW are 4-1 Windows 3.1/DOS 4-1 Windows 95 2-5 Windows for Workgroups 4-1 Windows NT 2-10 Dynamic Access software 3-11 Dynamic Access tab 5-7 E EISA, reconfiguring to ISA 4-7 Express installation 2-1 F fax service.
I NDEX 3 S saving installation settings 3-14 server address, entering the DNS 3-9 server , DHCP , testing 3-6 settings, changing configuration 4-8 slide latch, AUI port 1-7 software installing Window.
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3Com Corporation L IMITED W ARRANTY H ARDWARE 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time .
3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER’S OR ANY THIRD PERSON’S MISUSE,.
FCC D ECLARATION OF C ONFORMITY We declare under our sole responsibility that the to which this declaration relates, is in conformity with the following standards or other normative documents: ■ ANSI C63.4-1992 Methods of Measurement ■ 15.107 (e)Class B Conducted Limits 15.
standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov. 1995) or FAR 52.
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Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il PictureTel III ISA è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del PictureTel III ISA - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso PictureTel III ISA imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul PictureTel III ISA ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il PictureTel III ISA, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del PictureTel III ISA.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il PictureTel III ISA. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo PictureTel III ISA insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
