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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of 3Com Hubs and Switches, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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Unfortunately, only a few customers devote their time to read an instruction of 3Com Hubs and Switches. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
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First and foremost, an user manual of 3Com Hubs and Switches should contain:
- informations concerning technical data of 3Com Hubs and Switches
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Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of 3Com Hubs and Switches alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of 3Com Hubs and Switches, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the 3Com service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of 3Com Hubs and Switches.
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It is mostly in the manuals where we will find the details concerning construction and possibility of the 3Com Hubs and Switches item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Office Connect ® Office Connect ® data sheet Unmanaged and Managed Ethernet, Fast Ethernet and auto-sensing hubs and switches 3Com OfficeConnect ® hubs and switches are designed to take the worry out of building and r unning a network for small business, branch office, and home office environments. The OfficeConnect family , which includes hubs,[...]
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Page 2
2 Inno vativ e CoolC urve design. Creates a self-ventilating networ k stack that eliminates the need for cooling fans and provides silent and r eliable operation on the desktop. MDI/MDIX switch. All OfficeConnect hubs and switches feature an MDI/MDIX switch that allows connection to a workstation or other network device using off-the-shelf straight[...]
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Page 3
H H u u b b s s & & S S w w i i t t c c h h e e s s 3 OfficeConne ct LED Indicators Alert PKT PWR COLL green + link OK, off = link fall, yellow = partition Port Status Network Utilization 1 COAX 1% 2% 3% 6% 12% 25% 50% 80% 8 7 6 5 4 3 2 As this front view of the OfficeConnect Hub 8/TPC illustrates, each OfficeConnect unit offers a variety o[...]
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Page 4
Ethernet Hubs 4 Example: 10 Mbps link Switch Workstation 10 Mbps Hub Dual Speed Hub 8 Workstation 10 Mbps Hub 10 Mbps Hub Ethernet (10 Mbps) Configuration Rules Using twisted-pair cables, you can connect a maximum of four Ethernet (10 Mbps) hubs in series between workstations, or between a workstation and a nonrepeater piece of equipment (such as a[...]
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Page 5
5 F a st Ethernet Hubs F a st Ethernet (100 Mbps) Configuration Rules All OfficeConnect Fast Ethernet hubs are Class II. Y ou can directly connect two Class II Fast Ethernet hubs (Class I hubs cannot be directly connected to other Fast Ethernet hubs). The total length of cable (A+B+C below) between two workstations and a nonrepeater piece of equipm[...]
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Page 6
6 S witche s OfficeConne ct Switch 140 3C16730 I deal for relieving congested shared- access networks, the OfficeConnect S witch 140 provides four unmanaged 10BASE-T ports and one 100BASE-TX switched Ethernet port. This switch and the OfficeConnect S witch 140M provide a simple plug-and-play link between Ethernet and F ast Ethernet OfficeConnect de[...]
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Page 7
H H u u b b s s & & S S w w i i t t c c h h e e s s 7 S pe cifications OfficeConnect Hubs and Switches OfficeConne ct Hubs All OfficeConnect hubs come with a user guide, power adapter , stacking clips, and rubber feet. OfficeConnect Hub TP4 (10BASE-T Hub) Connectors: Four RJ-45 ports for 10BAS E-T twisted-pair Dimensions: Width: 220 mm (8.7[...]
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Page 8
Office Connect ® 3Com Corporation P .O. Box 58145 5400 Bayfront Plaza Santa Clara, CA 95052-8145 Phone: 1 800 NET 3Com or 1 408 764 5000 Fax: 1 408 764 5001 World Wide Web: http://www .3com.com Asia Pacific Rim Sydney, Australia: 61 2 9937 5000 Melbourne, Australia: 61 3 9866 8022 Beijing, China: 86 10 68492 568 Shanghai, China: 86 21 6350 1581 Ho[...]