Black Box Dual-Speed Stackable Hubs Installation and User Guide
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TABLE OF CONTENTS PAGE
1.0 SPECIFICATIONS........................................................................................1
1.1 Technical Specifications......................................................................................1
2.0 INTRODUCTION..........................................................................................3
2.1 Inspecting the Package and Product....................................................................3
2.2 Product Description............................................................................................4
2.2.1 Dual-Speed Hub Chassis .........................................................................6
2.2.2 10 / 100 Speed Auto-sensing ...................................................................6
2.3 Stacking LH8000As ...........................................................................................7
2.4 Bridge Module between the 10Mb and 100Mb Domains....................................8
2.5 Up-link Switch on Port # 8 for Cascading...........................................................8
2.6 Features and Benefits ..........................................................................................9
2.7 Applications ......................................................................................................10
3.0 INSTALLATION.........................................................................................12
3.1 Locating the Dual-Speed Hubs..........................................................................12
3.1.1 Table-Top or Shelf Mounting................................................................12
3.1.2 Wall (or Vertical Surface) Mounting.....................................................12
3.2 Connecting Ethernet Media.............................................................................13
3.2.1 Connecting TP (RJ-45, CAT3 or CAT5 unshielded or shielded)......................13
3.2.2 100Mbps Collision Domain Diameter, Cable dimension and PDV calc. .......13
3.2.3 Connecting to NICs which support Auto-Negotiation............................17
3.3 Powering the Dual-Speed Hub .........................................................................17
4.0 OPERATION...............................................................................................18
4.1 Dual-Speed Functionality..................................................................................18
4.2 Auto-negotiation and speed-sensing .................................................................20
4.3 LEDs ................................................................................................................20
4.4 Up-link Switch ..................................................................................................20
5.0 TROUBLESHOOTING...............................................................................21
5.1 Before Calling for Assistance............................................................................21
5.2 When Calling for Assistance.............................................................................22
5.3 Shipping and Packaging Information ...............................................................22
