Instruction/ maintenance manual of the product 3C905C-TX-M, 3C905C-TX 3Com
Go to page of 96
http://www .3com.com/ http://www .3com.com/productr eg EtherLink ® 10/100 PCI for Comple t e P C Management Network Interface Car ds User Guide 3C905C-TX and 3C905C-TX-M EtherLink 10/100 PCI NICs for Complete PC Management Part No.
3Com Corporation ■ 5400 Bayfront Plaza ■ Santa Clara, Califor nia ■ 95052-8145 Copyright © 1999, 3Com Corporation. All rights reserved. No part of this documentation may be repr oduced in any f.
C ONTENTS A BOUT T HIS G UIDE Conventions 9 Y ear 2000 Compliance 10 1 I NTRODUCTION 3C905C NIC Overview 11 Features 12 Using Remote W ake-Up 12 Remote W ake-Up Requirements 13 Multiple NIC Installati.
3 W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION Overview 27 Installing the Driver 27 Windows 95 27 Windows 98 30 Windows NT 4.0 32 Windows NT 3.51 33 V erifying Successful Installation 35 Windows 95 and W indows 98 35 Windows NT 4.0 35 Windows NT 3.
6 T ROUBLESHOOTING AND D IAGNOSTICS T roubleshooting the Installation 53 Accessing 3Com Support Databases 54 Accessing the 3Com Knowledgebase 54 Accessing the 3Com NIC Help System 54 Accessing Release.
B D YNAMIC Access S OFTWARE I NSTALLATION AND C ONFIGURATION Client PC Requirements 73 Installing Dynamic Access Software 74 V erifying Successful Installation 75 Configuring Dynamic Access Software .
F IGURES 1 3C905C Network Interface Cards 11 2 Installing the NIC 21 3 Connecting the Remote W ake-Up Cable 23 4 Connecting to the RJ-45 Port 25 5 Add New Hardwar e W izar d 30 6 Network Settings Wind.
T ABLES 1 Notice Icons 9 2 T ext Conventions 10 3 Installation Overview 17 4 Cable Specifications 24 5 NetW are NLMs 41 6 NIC Configuration Methods 45 7 NIC Configuration Settings 46 8 Installation.
A BOUT T HIS G UIDE This guide describes how to install, configure, and troubleshoot the 3Com ® EtherLink ® 10/100 PCI for Complete PC Management (3C905C) network interface card (NIC). This guide is intended for those who install and configure Ethernet NICs.
10 A BOUT T HIS G UIDE Y ear 2000 Compliance For information on Y ear 2000 compliance and 3Com products, visit the 3Com Y ear 2000 Web page: http://www.3com.com/products/yr2000.html T able 2 T ext Conventions Convention Description Screen displays This typeface represents information as it appears on the screen.
1 I NTRODUCTION This chapter describes the 3Com ® EtherLink ® 10/100 PCI for Complete PC Management (3C905C) network interface card (NIC). 3C905C NIC Overview The 3C905C NIC is a 10/100 Mbps PCI NIC.
12 C HAPTER 1: I NTRODUCTION Features The 3C905C NIC supports the following features: ■ Remote W ake-Up ■ Managed PC Boot Agent (MBA) software (integrated as a boot ROM on the 3C905C-TX-M NIC; ava.
3C905C NIC Over view 13 Remote W ake-Up Requirements Y our PC or server must have the following items to use Remote W ake-Up: ■ BIOS that supports Remote W ake-Up ■ PCI 2.
14 C HAPTER 1: I NTRODUCTION ■ Configure or r econfigure multiple systems simultaneously . ■ Scan for viruses. ■ Back-up hard drives and perform disaster r ecovery tasks. For information on configuring the MBA to boot from the network, see “Configuring the Managed PC Boot Agent (MBA)” in Chapter 5.
3C905C NIC Over view 15 Using the Workgr oup Keep-Alive Packet The 3C905C NIC can transmit a workgroup keep-alive packet periodically while the PC is in a sleep state. This packet prevents the PCs workstation addr ess from being aged-out of switch and router tables.
16 C HAPTER 1: I NTRODUCTION Using Desktop Management Interface (DMI) 2.0 The 3C905C NIC supports DMI 2.0 and 2.0s, which enables managed PCs and net PCs to report details about themselves and their peripheral devices across the network to a DMI 2.0-compliant management application.
2 N ETWORK I NTERFACE C ARD I NSTALLATION This chapter describes how to install the 3C905C NIC in your PC and connect it to an Ethernet or Fast Ether net network. CAUTION: Do NOT physically install the NIC in your PC until you have run the preinstallation program, as described in “Running the Preinstallation Program” later in this chapter .
18 C HAPTER 2: N ETWORK I NTERFACE C ARD I NSTALLATION Preparing for Installation Before you install the NIC in your PC, make sur e that you have the following items: ■ 3C905C NIC ■ 3Com EtherDisk diskettes 1, 2, and 3 ■ Remote W ake-Up cable (This cable is optional.
Running the Preinstallation Program 19 Running the Pr einstallation Program Before you physically install the NIC in your PC, you must run the following preinstallation pr ogram to properly set up your system environment. CAUTION: If you do not run the preinstallation program, the NIC driver and software will not be installed correctly .
20 C HAPTER 2: N ETWORK I NTERFACE C ARD I NSTALLATION T o install the NIC in your PC: 1 Make sure that you have run the pr einstallation program, as described in the pr evious section. 2 Remove all jewelry from your hands and wrists. Use only insulated or nonconducting tools.
Inserting the NIC 21 Figure 2 Installing the NIC 7 Secure the NIC with the scr ew you removed in step 5. If you want to install the Remote Wake-Up cable, go to the next section, “Connecting the Remote Wake-Up Cable” to continue the installation.
22 C HAPTER 2: N ETWORK I NTERFACE C ARD I NSTALLATION Connecting the Remote W ake-Up Cable This section describes how to connect the Remote W ake-Up cable from the NIC to the PC motherboar d. Contact your PC manufacturer for the Remote Wake-Up cable.
Connecting the Remote Wake-Up Cable 23 Figure 3 Connecting the Remote Wake-Up Cable 4 Replace the PC cover and plug in the power cord. Do not turn on the power to the PC. 5 Go to the next section, “Connecting SOS or SMBus Cables for Remote System Alerts” or go directly to the following section, “Connecting to the Network.
24 C HAPTER 2: N ETWORK I NTERFACE C ARD I NSTALLATION Connecting SOS or SMBus Cables for Remote System Alerts Connecting the SOS or SMBus cables is optional, and requir es a matching connector on your PC motherboard. Connect one of these cables only if you want to use Remote System Alerts and if your PC supports this feature.
Connecting to the Network 25 T o connect the 3C905C NIC to a 10 Mbps Ether net or 100 Mbps Fast Ethernet network: 1 Plug the RJ-45 connector on the twisted-pair network cable into the RJ-45 port on the NIC backplate (see Figure 4). Figure 4 Connecting to the RJ-45 Port 2 Connect the other end of the network cable to an active network port.
book Page 26 Monday, March 15, 1999 1:31 PM.
3 W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION This chapter describes how to install the NIC driver and software on a PC running Windows 95, W indows 98, Windows NT 4.0, or W indows NT 3.51. T o obtain the latest shipping version of a driver , contact your PC manufacturer .
28 C HAPTER 3: W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION ■ Make sure that you have the Windows 95 installation files. These files may be on a CD or diskettes, or they may have been copied to your hard drive when Windows 95 was installed on your PC.
Installing the Driver 29 3 In the specified fields of the Identification tab screen, enter the following information, and then click OK : ■ Computer Name — Identifies the PC on the network for other users. This entry must be a unique name of 15 characters or fewer , containing no spaces.
30 C HAPTER 3: W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION Windows 98 If you encounter problems during the installation, see the WIN98.TXT file located in the HELP directory on EtherDisk diskette 3 for troubleshooting tips.
Installing the Driver 31 3 Select Search for the best driver for your device (Recommended) , and then click Next . 4 Select Floppy disk drives , and then click Next . Windows finds the driver file for the device. 5 Click Next . Files are copied. If the Insert Disk dialog box appears, prompting you to insert EtherDisk diskette 1, click OK.
32 C HAPTER 3: W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION Windows NT 4.0 If you encounter problems during the installation, see the WINNT .TXT file located in the HELP directory on EtherDisk diskette 3 for troubleshooting tips.
Installing the Driver 33 8 Remove EtherDisk diskette 1 from drive A, insert EtherDisk diskette 2, and then click OK . Files are copied. The Adapters tab of the Network scr een appears. The name of the installed NIC appears in the list of network adapters.
34 C HAPTER 3: W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION Figure 6 Network Settings W indow 3 Click Add Adapter . The Add Network Adapter window appears. 4 Open the Network Adapter Card list box, and scroll down and select <Other> Requires disk from manufacturer .
V erifying Successful Installation 35 9 Click OK . ■ If the TCP/IP Configuration screen appears, enter the requested information for your network envir onment. Refer to your system administrator or the Windows NT documentation for assistance. ■ If the TCP/IP Configuration screen does not appear , the installation is complete.
36 C HAPTER 3: W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION 3 Make sure that the name of the NIC appears in the list of network adapters. If the name of the NIC does not appear in the list of network adapters, the installation was not successful.
Installing Multiple NICs 37 4 When Windows detects the NIC and prompts you for a diskette, insert EtherDisk diskette 1 in drive A, and then click OK . 5 Follow the prompts on the scr een to install the NIC driver and software. See the “Windows 95” or “W indows 98” section earlier in this chapter for instructions.
38 C HAPTER 3: W INDOWS 95/98 AND W INDOWS NT D RIVER I NSTALLATION 6 Click Have Disk . 7 Insert EtherDisk diskette 1 in drive A, make sure that A: appears in the entry box, and then click OK . The Select OEM Option screen appears with the name of one of the NICs selected.
4 N ET W ARE C LIENT AND S ERVER D RIVER I NSTALLATION This chapter describes how to install the Novell NetW are client driver for DOS, Windows 3.1, or W indows for Workgr oups and the NetW are server driver . T o install the network drivers for Windows 3.
40 C HAPTER 4: N ET W ARE C LIENT AND S ERVER D RIVER I NSTALLATION Intelligent Auto Install Requir ements T o use the Intelligent Auto Install program: ■ Make sure that your PC has only one 3C905C NIC installed. ■ Make sure that you ar e using NetW are 3.
Installing the NetWare Server Driver 41 Installing the NetW are Server Driver This section describes how to install the NetW are driver on a Novell server running NetW are 3.12, 4.10, or 4.11. The 3C905C NIC does not support NetWare 3.11 or 4.0x servers.
42 C HAPTER 4: N ET W ARE C LIENT AND S ERVER D RIVER I NSTALLATION 3 Add the following two lines to the AUTOEXEC.NCF file: load C:NWSERVER3C90X.LAN slot=<slot> NAME=<name> FRAME=<frametype> bind ipx to <name> net=<number> 4 Save and exit the file, and then reboot the server .
Installing the NetWare Server Driver 43 The values <name1> and <name2> are unique names assigned to each NIC by your system administrator . The values <name1> and <name 2> must be differ ent. The frame parameters <frametype1> and <frametype2> can be one of the following: ■ Ethernet_802.
44 C HAPTER 4: N ET W ARE C LIENT AND S ERVER D RIVER I NSTALLATION Figure 7 Selected NIC Screen The slot number appears in the Selected NIC panel. This slot value must match the slot value entered in the load line of the AUTOEXEC.
5 NIC C ONFIGURATION This chapter describes how to configure the 3C905C NIC. Before you change the NIC configuration settings, contact your system administrator . Configuration Methods The 3C905C NIC can be configured using any of the methods listed in T able 6.
46 C HAPTER 5: NIC C ONFIGURATION Default NIC Settings T able 7 lists the configuration settings for the 3C905C NIC. The default setting is in bold in the Settings column. DMI 2.0 or 2.0s Configure the NIC remotely using the 3Com DMI Agent software. See Appendix C for more information.
Changing General NIC Configuration Settings 47 Changing General NIC Configuration Settings T o change the NIC general configuration settings, such as network driver optimization, duplex mode, and media type: 1 Make sure that the NIC is installed and is connected to the network and that the driver is installed.
48 C HAPTER 5: NIC C ONFIGURATION Figure 8 General Screen 4 Click the Configuration tab. The Configuration screen (Figur e 9) appears. Figure 9 Configuration Screen book Page 48 Monday, March 15, 1.
Configuring the Managed PC Boot Agent (MBA) 49 5 Under Network Parameter , select the setting to be changed. For a description of each setting, see T able 6 in the previous section or click the question mark (?) in the upper right corner of the screen, move it over a setting, and click once.
50 C HAPTER 5: NIC C ONFIGURATION 3 Click the Configuration tab. The Configuration screen appears. 4 Under Network Parameter , select Boot PROM . 5 Open the Set V alue list box and select Enabled to enable the boot ROM or Disabled to disable the boot ROM.
Configuring the Managed PC Boot Agent (MBA) 51 3 Reboot the PC. The MBA attempts to boot from the network using the default protocol TCP/IP DHCP . T o change the default protocol or any other MBA configurations, press Ctrl+Alt+B when the following message appears: Initializing MBA.
book Page 52 Monday, March 15, 1999 1:31 PM.
6 T ROUBLESHOOTING AND D IAGNOSTICS This chapter explains how to solve problems that may occur when you install and use the 3C905C NIC. It also explains how to run NIC diagnostic tests, view network statistics, interpret the LEDs, and r emove the NIC software.
54 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS Accessing 3Com Support Databases In addition to the 3Com support databases listed in this section, check the README.
Accessing 3Com Support Databases 55 Accessing Release Notes and Fr equently Asked Questions T o access release notes and frequently asked questions about the 3C905C NIC: 1 Make sure that the NIC and its driver ar e installed. 2 Start the 3Com NIC Diagnostics and Configuration program.
56 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS 4 Click Support Databases to display customer support databases about the NIC in three categories: ■ Release notes — Display tips about installing and using the NIC. ■ Frequently asked questions — Display common questions asked by customers and answered by 3Com support experts.
Running the NIC Diagnostics T ests 57 If a LNK LED indicates a problem, check the following: 1 Ensure that your network hub or switch and the cable connecting to your NIC comply with the specifications appropriate for your network connection. 2 Ensure that the hub or switch is power ed on.
58 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS Figure 11 Diagnostics Screen If the Run Remote W ake-Up T est button appears dimmed, the NIC that is installed in the PC does not support Remote Wake-Up. T o Run the Network T est Run the Network T est to check the NIC connectivity to the network.
Running the NIC Diagnostics T ests 59 T o Run the NIC T est Run the NIC T est to check the physical components, connectors, and circuitry on the NIC. 1 Click Run NIC T est on the Diagnostics screen. The NIC T est screen appears. 2 Click Perform NIC T est .
60 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS Figure 12 Remote W ake-Up T est Screen b Click T est Remote W ake-Up to verify that another PC exists on the network that has the EtherDisk 4.x or later software Auto Echo featur e enabled. ■ If the test passes, another PC with the Auto Echo feature enabled was detected on the network.
T roubleshooting Remote Wake-Up 61 T roubleshooting Remote W ake-Up If your PC does not boot in response to a Remote W ake-Up event, perform these troubleshooting steps: 1 Make sure that the PC meets the Remote W ake-Up requir ements listed in Chapter 1.
62 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS 7 If the previous steps have failed, install a known functioning Remote W ake-Up NIC in the PC. ■ If Remote W ake-Up works with the new NIC installed, contact your PC vendor for a replacement NIC.
Using the 3Com Icon in the W indows System T ray 63 The information is updated by the NIC driver every 5 seconds. For a description of each statistic, click the question mark (?) in the upper right corner of the screen, drag it over a statistic and click once.
64 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS Removing NIC Software This section describes how to remove the 3C905C NIC driver and software fr om your PC.
Removing NIC Software 65 4 Click Ye s to confirm the removal. 5 Click Close to close the Network screen. Y ou ar e prompted to r estart the PC. ■ If you are physically r emoving the NIC from the PC, click No . Do not restart the PC until you shut down the system, turn the power off, and remove the NIC fr om the PC.
66 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS Frequently Asked Questions T able 10 describes some common questions and answers about the 3C905C NIC. For additional information about the NIC, see the text files located in the HELP directory on EtherDisk diskette 3 or go to the following 3Com World Wide Web site: http://knowledgebase.
Frequently Asked Questions 67 Where can I get more information about the MBA boot ROM? For more information on using and configuring the MBA boot ROM, see Chapter 5 in this user guide or refer to the Managed PC Boot Agent (MBA) User Guide included on the MBA Utility diskette.
68 C HAPTER 6: T ROUBLESHOOTING AND D IAGNOSTICS Are the 3C905C NIC network drivers Microsoft-certified? Yes. Are the 3C905C bus master ODI drivers Novell-certified? Yes. Where can I get a SCO driver? Obtain the SCO driver from the 3Com World Wide Web site: http://www.
A S PECIFICATIONS AND C ABLING R EQUIREMENTS This appendix lists the specifications, standards conformance, cable requir ements, and connector pin assignments for the 3C905C NIC. Hardwar e Specifications Network Interface Physical Dimensions Environmental Operating Range Power Requirements 10 Mbps Ethernet 10BASE-T Ethernet IEEE 802.
70 A PPENDIX A: S PECIFICATIONS AND C ABLING R EQUIREMENTS Standar ds Conformance ■ IEEE 802.3 10BASE-T ■ IEEE 802.3u 100BASE-TX ■ IEEE 802.3x Full Duplex auto-negotiation and flow control ■ NW ay 10/100 auto-negotiation ■ IEEE 802.1p/Q ■ IEEE 802.
Cabling Requirements 71 The EIA/TIA defines five categories of unshielded twisted-pair cable (see T able 11). 10BASE-T Operation 10BASE-T is the Institute of Electrical and Electronics Engineers (IEEE) 802.3 standard for Ethernet signaling over unshielded twisted-pair wire at 10 Mbps.
72 A PPENDIX A: S PECIFICATIONS AND C ABLING R EQUIREMENTS 100BASE-TX Operation 100BASE-TX is the IEEE 802.3u standard for Fast Ethernet signaling over Category 5 UTP or STP wire at 100 Mbps. Based on an extension to the IEEE 802.3 Ethernet specification, Fast Ethernet characteristics include: ■ A data rate of 100 Mbps.
B D YNAMIC Access S OFTWARE I NSTALLATION AND C ONFIGURATION This chapter explains how to install and configure Dynamic Access software on a PC running Windows 95, Windows 98, or W indows NT . For an overview of Dynamic Access software, see Chapter 1.
74 A PPENDIX B: D YNAMIC Access S OFTWARE I NSTALLATION AND C ONFIGURATION Installing Dynamic Access Softwar e T o install Dynamic Access software: 1 Make sure that the NIC and its softwar e are installed on your PC. See “V erifying Successful Installation” in Chapter 3 to confirm that the NIC is properly installed in the PC.
V erifying Successful Installation 75 V erifying Successful Installation After Dynamic Access software is installed, the following changes are visible in the Windows Network control panel: ■ For each physical NIC installed in the PC, a virtual NIC entry appears in the list of network adapters.
76 A PPENDIX B: D YNAMIC Access S OFTWARE I NSTALLATION AND C ONFIGURATION Figure 15 Dynamic Access Software Setup Screen — T raffic Prioritization 2 Select the tab containing the information you want to configure.
C 3C OM DMI A GENT I NSTALLATION This appendix explains how to install the 3Com Desktop Management Interface (DMI) Agent on your PC. The 3Com DMI Agent allows any DMI-compatible browser or network management application that supports DMI 2.0 or 2.0s to remotely manage and configur e advanced features of the 3C905C NIC.
78 A PPENDIX C: 3C OM DMI A GENT I NSTALLATION The content of the MIF is based on the capabilities of the NIC driver found in the PC. For example, if a NIC with an MBA boot ROM is found, all groups r elated to the boot ROM are included in the MIF for that particular NIC.
Installing the 3Com DMI Agent 79 Installing the 3Com DMI Agent This section describes how to install the 3Com DMI Agent on a PC running Windows 95, W indows 98, or W indows NT 4.0. For instructions on how to install the 3Com DMI Agent on a PC running Windows NT 3.
book Page 80 Monday, March 15, 1999 1:31 PM.
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, 3Com recommends that you access the 3Com Corporation World Wide Web site.
82 A PPENDIX D: T ECHNICAL S UPPORT This service provides access to online support information such as technical documentation and software library , as well as support options ranging from technical education to maintenance and professional services.
Online T echnical Ser vices 83 Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 64 Kbps. T o access the 3Com BBS using ISDN, use the following.
book Page 84 Monday, March 15, 1999 1:31 PM.
I NDEX Numbers 10 LNK LED description 56 picture of 11 troubleshooting with 56 100 LNK LED description 56 picture of 11 troubleshooting with 56 100BASE-TX cabling 24 link LED 56 operation 72 10BASE-T cabling 24 link LED 56 operation 71 3C90X.
86 I NDEX connector , Remote Wake-Up (RWU) 11, 23 connector , SOS 11 connector , System Management Bus (SMB) 11 conventions notice icons, About This Guide 9 text, About This Guide 10 CRC errors, viewi.
I NDEX 87 installing drivers NetW are client for DOS, Windows 3.1x, and W indows for Workgroups 39 NetW are server 41 Windows 95 27 Windows 98 30 Windows NT 3.51 33 Windows NT 4.0 32 installing multiple NICs NetW are server 42 Windows 95/98 36 Windows NT 4.
88 I NDEX O online Help 54 online Knowledgebase 54 online technical services 81 operating temperature 69 operating voltage 69 P package contents 18 packets, viewing 62, 63 pin assignments 72 Platform .
I NDEX 89 V verifying successful installation 35 voltage, operating 69 W W ake on LAN (WOL) 68 Windows 3.1x, Novell client driver , installing 39 Windows 95 installing driver (NDIS 3/4) 27 multiple NI.
book Page 90 Monday, March 15, 1999 1:31 PM.
3Com Corporation L IMITED W ARRANTY EtherLink 10/100 PCI for Complete PC Management Network Interface Card H ARDWARE 3Com warrants its hardware products to be free from defects in workmanship and mate.
O BTAINING W ARRANTY S ERVICE Customer must contact a 3Com Corporate Service Center or an Authorized 3Com Service Center within the applicable warranty period to obtain warranty service authorization. Dated proof of purchase from 3Com or its authorized reseller may be required.
G OVERNING L AW This Limited Warranty shall be governed by the laws of the State of California, U.S.A. excluding its conflicts of laws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods.
3C OM E ND U SER S OFTWARE L ICENSE A GREEMENT IMPORT ANT : Read Before Using This Product YOU SHOULD CAREFULL Y READ THE FOLLOWING TERMS AND CONDITIONS BEFORE USING THIS PRODUCT . IT CONT AINS SOFTWARE, THE USE OF WHICH IS LICENSED BY 3COM CORPORA TION (“3COM”) TO ITS CUSTOMERS FOR THEIR USE ONL Y AS SET FORTH BELOW .
LIMITED W ARRANTY ; LIMIT A TION OF LIABILITY : All warranties and limitations of liability applicable to the Software are as stated on the Limited Warranty Card or in the product manual, whether in paper or electronic form, accompanying the Software.
book Page 96 Monday, March 15, 1999 1:31 PM.
An important point after buying a device 3Com 3C905C-TX-M, 3C905C-TX (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3Com 3C905C-TX-M, 3C905C-TX 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 3Com 3C905C-TX-M, 3C905C-TX - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com 3C905C-TX-M, 3C905C-TX you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com 3C905C-TX-M, 3C905C-TX will certainly help you make a decision on the purchase.
If you already are a holder of 3Com 3C905C-TX-M, 3C905C-TX, 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 3Com 3C905C-TX-M, 3C905C-TX.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com 3C905C-TX-M, 3C905C-TX. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com 3C905C-TX-M, 3C905C-TX 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
