Instruction/ maintenance manual of the product 8814 3Com
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3Com ® Switch 8800 Family Installation Guide Switch 8807 Switch 8810 Switch 8814 www.3Com.com Part No. 10015 593, Rev. AB Published: June, 2007.
3Com Corporation 350 Campus Drive Marlbor ough, MA USA 01752-3064 Copyright © 2006-2007, 3Com Corporation . All rights reserved . No part of this doc umentati on may be reprod uced in any form or by .
C ONTENTS A BOUT T HIS G UIDE Conventions 5 Related Docum entation 6 About this Documen t 6 1 P RODUCT O VERVIEW Preface 7 General Architecture 10 Fabric Modules 17 System Specifications 24 Software F.
Examining Installation Site 50 Installation T ools 52 4 S WITCH I NSTALLATION Confirming Installation Preparation 53 Installation Flow 53 Mounting the Switch in User -Supplied Cab inet 54 Connecting P.
A BOUT T HIS G UIDE This guide describes the 3Com ® Switch 8800 and how to install hardware, configure and boot softwar e, and maintain software and hardwar e .
6 A BOUT T HIS G UIDE Related Documentation The following manuals offer additional infor mation necessary for managing your Switch 8800: ■ Switch 8800 Command Reference Guide — Provides detailed descriptions of command line inte rface (CLI) commands , that yo u requir e to manage your Switch 8800.
1 P R ODUCT O VERVIEW Preface The 3Com Switch 8800 Family of Routing Switches (r eferred to as the Switch 8800 Family) are intelligent, m ulti-layer mo dular LAN switches and ar e ideal for enterprise envir onments where non-stop avai lability of critical applications and the highest performance, security , and granular control are r equired.
8 C HAPTER 1: P RODUCT O VERVIEW Currently , the Switch 8800 Family include the following models: ■ Switch 8807: This model provides up to 600 Gbps switching capacity .
Preface 9 ■ Switch 8814: This model provides up to 1.44 Tbps switching capacity . It supports (for example) up to 576 GE ports and 48 x 10GE ports. Figure 3 3Com Switch 8814 (14-Slot Chassis).
10 C HAPTER 1: P RODUCT O VERVIEW General Architecture The Switch 8800 Family use integrated ch assis, which can be subdivided into power ar ea, board a rea, backplane and fan a rea.
General Architecture 11 Switch 8810 Figure 5 Switch 8810 slots ■ The Switch 8810 chassis provides ten slots in its boar d area: The middle two accommodate fabric modules, which can operate in 1+1 redundancy mode; the remaining eight accommodate I/O or application modules, which you can select from various available mode ls.
12 C HAPTER 1: P RODUCT O VERVIEW Switch 8814 Figure 6 Switch 8814 slots ■ The Switch 8814 chassis provides 14 slots in its boar d area: The middle two accommodate fab ric modules, which can operat e in 1+1 redundancy mode; the remaining 12 acc ommodate I/O or application modules, which you can select from various available models.
General Architecture 13 The Switch 8807 uses a passive backplane, which provides five I/O module interfaces, two fabric interfaces, one fan interface, and three -48V power interfaces (two for PSUs and one for PoE entry module).
14 C HAPTER 1: P RODUCT O VERVIEW ■ A Switch 8800 suppor ts up to 4500 W (220 V)/2250 W (110 V) power to its PDs. It determines whethe r to deliver power to a ne wly detected PD depending on the power it currently supplied.
General Architecture 15 Ta b l e 2 describes typical equipment configurat ions and specifications of exter nal PoE power system. The exter nal PoE power system has monitor fun ction. It provides one system monitoring module, one RS232 and two R S 485 monitoring interfaces.
16 C HAPTER 1: P RODUCT O VERVIEW Role and function The MBUS system is power ed by 5 V from the MBUS on the fabric. The 5 V power on the two fabrics ar e redundant to each other . Each MBUS module is attached to the MBUS, which contains two control lines: MBUS0 and MBUS1.
Fabric Modules 17 Fabric Modules The Switch Fabric serves as the core of the Switch 8800 Family .The following fabric models are av ailable to the Switch 8800 Family: ■ 3C17508 - 3Com Switch 8800 360 Gbps Fab ric ■ 3C17539 - 3Com Switch 8800 720 Gbps Fab ric These fabric modules provide: ■ Route calculating and forw arding table maintenance.
18 C HAPTER 1: P RODUCT O VERVIEW Figure 10 360 Gbps Switch Fabric panel Compact Flash (CF slot) The 360 Gbps Switch Fabric module provides a CF slot to accommodate a standard CF car d, where you can save logging information, host version information, alarming and other diagn ostic information and co nveniently upgrade software online.
Fabric Modules 19 ■ Console port The Console port uses an RJ-45 connector . It can be connected to a background terminal for system debugging, maintena nce, management, and host software loading. n Y ou can choose your own baud rate for the Co nsole port.
20 C HAPTER 1: P RODUCT O VERVIEW ■ Status LEDs for I/O module The 360 Gbps Switch Fabric mod ule has 12 pairs of LEDs to indicate th e operating status of 12 I/O module. ■ Status LEDs for the 360 Gbps Switch Fabric module Y ou can lear n the operat ing status of 360 Gbps Switch Fabric module by reading the SFS, ACT , ALM and RUN LEDs on it.
Fabric Modules 21 720 Gbps Switch Fabric T echnical specific ations This model applies to the 3C17539 . See T able 5 for its specifications. Panel On its panel, the 720 Gbps Switch Fabric provides a C.
22 C HAPTER 1: P RODUCT O VERVIEW The following table describes the status LEDs for the management 10Base-T/100Base-TX port. ■ RS232/485 port The RS232/485 port uses RJ-45 connector , for connecting exter nal PoE power frame when supported and monitoring its status.
Fabric Modules 23 The AUX port uses an R J-45 connector . The port can serve as a backup port f or the Console port to connect a background terminal, or directly connect a modem device, for remote system debugging , configuration, maintenance and management .
24 C HAPTER 1: P RODUCT O VERVIEW Y ou can lear n the operat ing status of 720 Gbps Switch Fabric module by reading the SFS, ACT , ALM and RUN LEDs on it. The following table giv es a summary of the four LEDs. RESET button Y o u can press the RESET butto n on the panel to reset the 720 Gbps Switch Fabric.
Software Features 25 n Note 1: The switching capacity in the above table is calc ulated based on two load-sharing fabrics. Note 2: The 7-slot has a dditional backplane traces per slot compared to the 14-slot and the 10- slot chassis.
26 C HAPTER 1: P RODUCT O VERVIEW Flow control IEEE 802.3x flow control (full duplex) Back pressure flow c ontrol (half duplex) Broadcast/multicast suppress ion Supported Multicast Internet gr oup man.
Software Features 27 n All specifications are subject to changes without notice. For up-to-date information, pleas e contact 3Co m mark eting or technical suppo rt personnel. Security Hierarchical user management and password protection Password control 802.
28 C HAPTER 1: P RODUCT O VERVIEW.
2 I/O AND A PPLICATION M ODULES Overview The Switch 8800 Family are modular switches that are designed following industry standards. The following I/O modules ar e available to the Switch 8800 Family: 3C17511 1 -port 10GBASE-X (XENP AK) Specifications This section provides specifications for the 1-por t 10GBASE-X (XENP AK) 3C17511 module.
30 C HAPTER 2: I/O AND A PPLICATION M ODULES Panel and LEDs Figure 12 3C17511 module panel The 3C17511 module has two port LEDs for the 10GE port on its panel.
3C17513 12-port 1000BASE-X (SFP ) Module 31 Panel and LEDs Figure 13 3C17512 module panel The 3C17512 module has two LEDs fo r each optical por t on its pan el.
32 C HAPTER 2: I/O AND A PPLICATION M ODULES The 3C17513 module has two LEDs for each port on its panel. Matching Cable See T able 66 on page 46 for the SFP optica l modules available to the SFP optical ports on the 3C17513 module and their matching cable types, which you can select as requir e d.
3C17516 24-port 10/100/1000BASE-T Mo dule 33 Matching Cable Y ou can select appropriate SFP optical modules for the 1000 Mbps SFP op tical ports on the 3C17514 module acco rding to your needs. For description of SFP optical modules available to the SFP optical ports and their matching cable types, see Ta b l e 66 on page 46 .
34 C HAPTER 2: I/O AND A PPLICATION M ODULES Panel and LEDs Figure 17 3C17525 module panel The 3C17525 module has two port LEDs for the 10GE port on its panel.
3C17527 2-port 10GBASE-X (XFP) Advanced Mo dule 35 Panel and LEDs Figure 18 3C17526 module panel The 3C17526 module has two LEDs fo r each optical por t on its pan el. Matching Cable For details about XFP optica l modules available to the XFP optical ports on the 3C17526 module an d their matching cable types, see Ta b l e 66 on page 46 .
36 C HAPTER 2: I/O AND A PPLICATION M ODULES The 3C17527 module has two LEDs for each opt ical port on its panel. Matching Cable See T able 66 on page 46 for the XFP optical modules that are available for the 10 Gbps XFP optical ports on the 3C17527 module and their mat ching cable types, which you can select as required.
3C17530 24-port 1000BASE-X (SF P) Advanced Module 37 3C17530 24-port 1000BASE-X (SFP) Advanced Module This section provides specifications fo r the 24-port 1000BASE-X (SFP) Advanced module (3C17530). Specifications The 3C17530 Advanced Module provide 24 1000BASE-X (SFP) ports.
38 C HAPTER 2: I/O AND A PPLICATION M ODULES Panel and LEDs Figure 22 3C17531 module panel The 3C17531 module has one LED for each port on its panel. 3C17532 48-port 10/100/100 0 BASE-T (RJ-45) Access Module This section provides specifications for the 48-port 10/100/1000 BASE-T (RJ-45) Access module (3C17532).
3C17533 24-port 1000BASE-X (SFP) IPv6 Module 39 Panel and LEDs Figure 23 3C17532 module panel The 3C17532 module has one LED for each port on their panel. 3C17533 24-port 1000BASE-X (SFP) IPv6 Module This section provides specifications for the 24-port 1000 BASE-X (SFP) IPv6 module (3C17533).
40 C HAPTER 2: I/O AND A PPLICATION M ODULES Matching Cable Y ou can select appropriate SFP optical modules for the 1000 Mbps SFP optical ports on the 3C1753 3 module according to your needs. For a description of SFP the optical modules available f or the SFP optica l ports and their matchin g cable types, see Ta b l e 66 on page 46 .
3C17537 2-port 10GBASE-X (XFP) IPv6 Module 41 Panel and LEDs Figure 26 3C17536 module panel The 3C17536 module has two LEDs fo r each optical por t on its pan el. Matching Cable For details about XFP optica l modules available to the XFP optical ports on the 3C17536 module an d their matching cable types, see Ta b l e 66 on page 46 .
42 C HAPTER 2: I/O AND A PPLICATION M ODULES Panel and LEDs Figure 27 3C17537 module panel The 3C17537 module has two LEDs for each optical port on its panel.
Application Modules 43 Matching Cable Y ou can select appropriate SFP optical mo dules for the 1000 Mbps SFP/LC optical ports on the 3C17538 module acco rdingly to your needs. See Ta b l e 66 on page 46 for the available SFP opti cal modu les and their matching cable types.
44 C HAPTER 2: I/O AND A PPLICATION M ODULES 3C17546 Firewall Application Module T echnical specifications The 3C17546 Firewall Application Module pr ovides eight Gigabit SFP/LC optical ports.
Application Modules 45 Fron t panel Figure 31 Fr ont panel of the 3CR1 754766 The 3CR1754766 provides eight 1000Base-X ports, one Console port, on e AUX port, three 10/100Base-TX ports and four status LEDs (A TT ACK, ACT , ALM and RUN) from left to right on the fr ont panel.
46 C HAPTER 2: I/O AND A PPLICATION M ODULES Front panel Figure 32 Fr ont panel of the 3C17548 T ransceiv ers Ta b l e 66 documents the 3Com Switch 8800 Family transceivers.
Switch 8800 Port Densities 47 Switch 8800 Port Densities Ta b l e 67 describes the modules that ar e available for the Switch 8800, their maximum port densities, and whether or not the module supports MPLS or IPv6.
48 C HAPTER 2: I/O AND A PPLICATION M ODULES.
3 I NSTALLATION P R EPARATION Safety Recommendations T o avoid possible bodily injury and devi ce impairment, please read the following safety recommendations car e fully before installing the Switch 8800 Family . The recommendations do not cover ev ery possible hazardous condition.
50 C HAPTER 3: I NSTALLATION P REPARATION Wearing an ESD-Preventive Wrist Strap T o prevent the electr onic compon ents from being damaged by the electr o static discharge (ESD), take ESD mea sures fo.
Examining Installation Site 51 Cleanness Requiremen ts Dust is a hazar d to the operating safety of the switch. The indoor dust accumulated on the chassis can cause electr ostatic absorption, which may r esult in the poor co ntact of the conn ector or me tal cont act point.
52 C HAPTER 3: I NSTALLATION P REPARATION Power Supply Requirements The Switch 8800 Family adopts redundant PSUs for AC PSU: Rated voltage: 100 V AC to 240 V AC, 50 Hz or 60 Hz Maximum tolerance: 90 V.
4 S WITCH I NSTALLATION The Switch 8800 Family shall be installed indoors in a fixed place. Confirming Installation Pre paration ■ Make sure that you have read Chapter 3 Installation Preparation carefully . ■ All requir e ments mentioned in Chapter 3 Installation Preparation have been met.
54 C HAPTER 4: S WITCH I NSTALLATION Mounting the Switch in User -Supplied Cabinet Cabinet Configuration Guideline c CAUTION: ■ Even if no PoE external power supp ly is installed, it is r e commended that you reserve the PoE power supply slot (just cover a 4 U blank filler panel) in the cabinet for later PoE expansion.
Mounting the Switch in User-Supplied Cabinet 55 Figure 34 One Switch 8807 chassis in a cabinet Guideline: The space marked in Figure 34 must be reserved, and the r emaining is at your disposal.
56 C HAPTER 4: S WITCH I NSTALLATION Figure 35 T wo Switch 8807 chassis in a cabinet Guideline: The sp ace marked in Figure 35 must be reserved, and the r emaining is at your disposal.
Mounting the Switch in User-Supplied Cabinet 57 Figure 36 One Switch 8810 chassis in a cabinet Guideline: The space marked in Figure 36 must be reserved, and the r emaining is at your disposal.
58 C HAPTER 4: S WITCH I NSTALLATION Figure 37 One Switch 8814 chassis in a cabinet Guideline: The sp ace marked in Figure 37 must be reserved, and the r emaining is at your disposal. Mounting the Switch in the Cabinet T ake the following steps to install the Switch 8800 Family in a 19-inch cabinet.
Connecting PGND Wire and Power Cord 59 Step 6: Align the mounting ears with the square holes in the posts of the cabinet, and fasten the screws in the holes to fix the switch in the cab inet. Connecting PGND Wire and Power Cor d Connecting PGND Wire c CAUTION: For the safety of operators and equipment, the switch must be well grounded.
60 C HAPTER 4: S WITCH I NSTALLATION Figure 38 Gr ound the switch when ground bar is available ■ If there is no ground bar b ut earth near by and the grounding body is allow ed to be buried, you can simply hammer an angle iron or steel pipe no shorter than 0.
Connecting PGND Wire and Power Cord 61 power supply has been well grounded at the power distribution room or AC power supply transfor mer side. Figure 40 Gr ound the switch via AC PE wire Connecting AC Power Cord c CAUTION: ■ For lightning protection, the AC power should be led through an exter nal lightning device into the switch.
62 C HAPTER 4: S WITCH I NSTALLATION Figure 41 Connect AC power cor d to the Switch 8807 Figure 42 Connect AC power cor d to the Switch 8810/Switch 8814 (1) Connector-retention clamp (2) Input LED (3).
Connecting PGND Wire and Power Cord 63 Connecting PoE Power Cord The Switch 8807/Switch 8810/Switch 8814 uses PSE4500 -A external Po E power supply , which is connected to the switch through the PoE module at the front bottom of the switch to provide power to PDs (powered devices) under the switch.
64 C HAPTER 4: S WITCH I NSTALLATION Figure 44 Fr ont panel of external PoE Power Rack (3C17509) Installing Cabling Rack For your convenie nce, cabling racks ar e sh ipped with the Switch 8800 Family .
Installing PoE Lightn ing Protection Box 65 c CAUTION: In case of bodily injuries, do not touch any naked wi re, terminal or other parts of the produ ct with hazardou s voltage labels. Step 1: Wear the ESD-preventive wrist strap, making sure that it makes good skin contact; take the fan tray out from the packing bag.
66 C HAPTER 4: S WITCH I NSTALLATION at the front panel, and then slide it smoothly along the guide rail to the slot, until it fits into the chassis, with its plug fu ll y touching the sock et in side the chassis. See Figure 47. Figure 47 Install PoE lightning protection box 3 Fasten the screw on top of the PoE lightnin g protection box.
Connecting Interface Cables 67 Connecting Interface Cables Connecting Console Cable Introdu ction Console cable is an 8-core shielded cable. At on e end of the cable is a crimped RJ-45 connector that is to be plugg ed into the console port of the switch.
68 C HAPTER 4: S WITCH I NSTALLATION n The PC serial port is not hot-swappable, so you are not allowed to insert or remove the console cable into or from the PC serial po rt. When conne cting the con sole cable, fir st connect the DB 9/DB25 end to th e PC serial port and then the RJ45 end to t he console port of the swit ch.
Connecting Interface Cables 69 Connecting AUX cable Step 1: Plug the RJ-45 connector of the AUX cable into the AUX port of the switch. Step 2: Plug the DB-25 (male) or DB-9 (m ale) connector at the other end into the serial port of the analog modem.
70 C HAPTER 4: S WITCH I NSTALLATION Figure 51 LC connector Connecting fiber Step 1: Plug one end of the fiber into the SFP optical module of the Switch 8800 Family .
Cable Management 71 Figure 52 Cable bundling example I ■ The bending radius of cable body can not be less than twice of the cable diameter . The bending radius of the cabl e cannot be les s than 5 times of its diameter at th e place where it is led ou t of the connecto r; ■ Differ en t cables (power cord, signal cabl e, PGND wire , etc.
72 C HAPTER 4: S WITCH I NSTALLATION ■ Bundle the cables wherever cable bending cannot be avoided. However , the cable ties cannot be placed inside the bending area in case of the likelihood of cable core br eak due to excessive stress. See the following figure.
Verifying the Installation 73 ■ When using a hard power cord, fix it near its terminal so as to free the terminal and the cable from str ess; ■ Do not use tapping screws to fasten the connecting t.
74 C HAPTER 4: S WITCH I NSTALLATION.
5 D EBUGGING THE S YSTEM Setting up Configuration Environment Connect a terminal (a PC in Figure 56) to the switch with a console cable. Figure 56 Networking envir onment for switch configuration Connecting the Cables 1 Insert the DB-9 (or DB-25) female connector of the Conso le cable into the serial port on the PC (the Console ter minal).
76 C HAPTER 5: D EBUGGING THE S YSTEM Y o u must set the baud rate to 9600, data bits to 8, no parity check, stop bit to 1, and flow contr ol to none, a nd select VT1 00 for terminal emulation. Specifically , 1 Click Start → Programs → Accessorie s → Communications → HyperT erminal to access the Hyper T erminal window .
Powering and Booting the Switch 77 ■ All the system LEDs on the fabrics function normal. Boot Interface The Switch 8807 is used as an example in this section. The following is the information that will be output at the Console terminal when you power on t he switch.
78 C HAPTER 5: D EBUGGING THE S YSTEM.
6 S WITCH M ONITORING AND M AINTENANCE Monitoring the Switch Although the Switch 8800 Family has undergo ne a comprehensive factory test before del ivery , an improper installa tion may cause problems. This chapter describes how to troubleshoot the Switch 8800 Family .
80 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE The following PS U faults may appear on the switch. Follow the instructions provided to r esolve the problem.
Hardware Maintenance 81 ■ The fans are working normally . ■ The r otation o f the fans has not bee n blocked. ■ The blank filler panels have been inserted into the I/O module slots. T roubleshooting I/O Module The Switch 8800 Family provides I/O module X LEDs on the fabric so that you can check the state of these I/O modules.
82 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE 4 Hold the handle of the PSU and pull the PSU gently out of the chassis alo ng the guides. Figure 57 Remove and install the AC PSU Installing an AC.
Hardware Maintenance 83 Figure 58 Remove the air filter of AC PSU Installing the air filter of PSU T o install the PCU’ s air filter: 1 Ensure that the bl ack mesh is cont ained within the air filter cover .
84 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE Removing and Cleaning the Chassis’ s Air Filter 1 Unscrew the scr ews at the top and bottom of the air filter with a flathead screwdriver .
Hardware Maintenance 85 Installing a Module 1 Wear the ESD-preventive wrist strap and unscrew the mounting screws fixing the blank filter panel in the slot wher e you want to install the module, and r emove the blank filler panel.
86 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE Upgrading the Softwar e This section describes how to updated the software on the Switch 8800. Required cables ■ Console cable (for serial interf.
Upgrading the Software 87 Board self testing..................... ...... The board is steady SlotNo of this board is 6 The MCX is exist BootRom main system CRC check is OK 82559 register testing is OK EPLD1 testing is OK EPLD2 testing is OK 16c2552 register testing is OK Please check LEDs.
88 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE Figure 62 Hyper T erminal serial interface attribute settings Upgrading softwar e throu gh console port (XModem) XModem is a file transfer protocol used for its simplicity and performance.
Upgrading the Software 89 2 Ty p e 4 in the serial interface submenu and press Enter to set the serial interface download parameters from the following menu: 1: 9600(default) 2: 19200 3: 38400 4: 57600 5: 115200 please select an appropriate baudrate: Enter your choice(1-5): 5 3 Select the download speed as needed.
90 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE Figure 63 Send File dialog box 8 Click Send. The Xmodem dialog bo x displays. 9 After downloading the program successfully , the system begins to write the data into the Flash memory . When the download is finished, the serial interface displays the following submenu again.
Upgrading the Software 91 4 Enter 5 at Boot menu prompt and press Enter . The system displays the down load application program menu: ETHERNET SUBMENU 1. Download file to SDRAM through ether net interface and boot 2. Download file to Flash through ether net interface 3.
92 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE inet on ethernet (e) : 1.1.1.1 host inet (h) : 1.1.1.2 flags (f) : 0x80 Prepare for loading....OK Loading.
Upgrading the Software 93 0. Reboot Enter your choice(0-7): Enter your choice(0-7): 6 Please input ’0’ or ’1’ (’0’:Boot from Flash, ’1’:Boot from CF card) BootDev = 0 FlashFileName = Switch 8800 Family-Comw are 310-R1212.
94 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE c CAUTION: ■ Y ou must reboot the switch using the reboot command to validate the host program. If Flash memor y space is not enough, you can delete some of th e program files in Flash after completing the Boot ROM loading.
Password Loss 95 ■ Check that the host program exists and that the curr ent host program is running. Insuf ficient Flash memory ■ Empty the r ecycle bin when the I/O module sta rts. ■ Delete the unused f iles in the Flash. Password Loss If the switch’ s Super password or Boot ROM password, contact your local support rep re s en t at i v e.
96 C HAPTER 6: S WITCH M ONITOR ING AND M AINTENANCE.
A L IGHTNING P R OTECTION OF THE S WITCH Installing a Lightning Arrester for the AC Power This appendix describes how to install the lightning arre ster for the AC power (a socket strip with lightnin g protection) c CAUTION: A lightning arrest er is not shipped with the switch .
98 C HAPTER A: L IGHTNING P ROTECTION OF TH E S WITCH connected in right direction. When the red LED is on, use a mu ltimeter to examine the polarity at the arrester’ s pow er socket. If it is same as that of the power socket in the equipment room, it means that the arrester is not well grounded.
Installing a Lightning Arrest er for the Network Por t 99 Figure 65 Installation diagram of a ne twork port’ s lightning arrester Installation precautions T o ensure that the network port’ s light.
100 C HAPTER A: L IGHTNING P ROTECTION OF THE S WITCH.
B 3C OM N ETWORK M ANAGEMENT 3Com has a range of network mana gement applications to address networks of all sizes and complexity , from small and medium businesses through large enterprises.
102 A PPENDIX B: 3C OM N ETWO RK M ANAGEMENT 3Com Network Director 3Com Network Director (3ND) is a stan dalone application that allows you to carry out key management and ad ministrative tasks on mids ized networks. By using 3ND you can disc over , map, and monitor all your 3Com devices on the network.
3Com Enterprise Management Suite 103 3Com Enterprise Management Suite 3Com Enterprise Management Su ite (EMS) deliver s comprehensive management that is flexible and sc alable enough to meet the needs of the largest enterprises and advanced networks.
104 A PPENDIX B: 3C OM N ETWO RK M ANAGEMENT.
An important point after buying a device 3Com 8814 (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 8814 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 8814 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com 8814 you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com 8814 will certainly help you make a decision on the purchase.
If you already are a holder of 3Com 8814, 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 8814.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com 8814. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com 8814 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
