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3Com 3C16755-US User Guide - Page 19

Imensions, Tandards

UPC - 662705420721

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DIMENSIONS AND STANDARDS Dimensions and Operating Conditions 3 VA 10.24 BThU/hr power requirement 0 to 40°C (32 to 105°F) operating temperature 0 to 90% (non-condensing) humidity Dual Speed Hub 5 600g (1.3 lb) Dual Speed Hub 8 600g (1.3 lb) 220mm (8.7in.) 35.8mm (1.4in.) 135.4mm (5.3in.) 8 VA 27.30 BThU/hr power requirement 0 to 40°C (32 to 105°F) operating temperature 0 to 90% (non-condensing) humidity Dual Speed Hub 16 1kg (2.2 lb) 228mm (9.12in.) 54mm (2.1in.) 185mm (7.3in.) Standards Functional: ISO 8802/3 IEEE 802.3 Safety: UL 1950, EN 60950 CSA 22.2 #950 IEC 950 EMC: EN 55022 Class B EN 50082-1 FCC Part 15 Class B* ICES-003 Class B VCCI Class B CNS 13438 Class A Environmental: EN 60068 (IEC 68) *Refer to "Regulatory Statements" on page 31 for conditions of operation. † 19

Section	Page
Introduction 5	3
Creating your Network 6	3
Problem Solving 16	3
Networking Terminology 18	3
Dimensions and Standards 19	3
Environmental Statements 20	3
Important Safety Information 21	3
Wichtige Sicherheitshinweise 22	3
Consignes importantes de sécurité 23	3
Technical Support 24	3
3Com Corporation Limited Warranty 29	3
Regulatory Statements 31	3
Introduction	5
Figure 1 Small Network With OfficeConnect® Dual Speed Hub	5
Creating your Network	6
Dual Speed Hub 5 and Dual Speed 8—Front	6
Dual Speed Hub 5 and Dual Speed 8—Rear	7
Dual Speed Hub 16—Front	8
Dual Speed Hub 16—Rear	9
Before You Start	10
Workstation Connections	10
1 One 10BASE-T, 10/100BASE-TX, or 100BASE-TX adapter card for each workstation. 3Com produce a ra...	10
2 An operating system (for example, Netware or Windows 95/98) with network support configured, ru...	10
3 One suitable TP cable for each workstation.	10
Twisted Pair (TP) Cables	10
Hub Connections	10
Stacking the Units Together	11
The Rubber Feet	11
The Stacking Clip	11
1 Place your unit on a flat surface.	11
2 Fit the clip across the top of the unit, as shown in Figure 2 (picture 1), ensuring that the lo...	11
3 Align the fastening pieces over the slots found on each side of the unit.	11
4 Push the clip down gently to secure it, ensuring the fastening pieces snap into the slots on th...	11
1 Rest the second unit on top of the clip and align it with the front of the unit below.	11
2 Press down gently on the unit to secure it onto the clip, ensuring the fastening pieces fit int...	11
Figure 2 Stacking Your Units Together	11
1 Remove the top unit together with the clip. If you hook a finger around one of the the fastenin...	11
2 Push the clip in the center, so it bends towards the base of the unit, and then separate once t...	11
Positioning Your Hub	12
Securing Your Hub	12
Connecting Workstations and Other Equipment to Your Hub	13
Connecting Another OfficeConnect Hub	13
Fast Ethernet (100Mbps) Configuration Rules	13
Figure 3 Configuration Rules and Example of a Fast Ethernet (100Mbps) Network	14
Ethernet (10Mbps) Configuration Rules	14
Figure 4 Example of an Ethernet (10Mbps) Network	14
Making the Connection to Another Hub	15
1 Using a straight-through cable, connect the Uplink/Normal port of the Dual Speed Hub to any of ...	15
2 Set the Uplink/Normal switch for the Uplink/Normal port on the Dual Speed Hub to Uplink (in).	15
Checking Hub Connections	15
Spot Checks	15
Figure 5 Correct Connections for OfficeConnect Hubs	15
Problem Solving	16
Figure 6 Straight-through Cable/ Crossover Cable	17
Networking Terminology	18
Dimensions and Standards	19
Dimensions and Operating Conditions	19
Standards	19
Environmental Statements	20
End Of Life Statement	20
Regulated Materials Statement	20
Environmental Statement about the Documentation	20
Environmental Statement about the Product Packaging	20
Important Safety Information	21
Wichtige Sicherheitshinweise	22
Consignes importantes de sécurité	23
Technical Support	24
Online Technical Services	24
World Wide Web Site	24
3Com Knowledgebase Web Services	24
Support from Your Network Supplier	25
Support from 3Com	25
Returning Products forRepair	28
3Com Corporation Limited Warranty	29