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Table of Contents
Table of Contents
1. Specifications .........................................................................................................................................................................7
2. Overview ...............................................................................................................................................................................9
2.1 Introduction ...................................................................................................................................................................9
2.2 Switch Architecture and Network Management Options .............................................................................................. 9
2.2.1 Switch Architecture ...............................................................................................................................................9
2.2.2 Network Management Options ...........................................................................................................................9
2.3 What’s Included ............................................................................................................................................................9
2.4 Hardware Description .................................................................................................................................................. 10
2.4.1 LPB2910A ........................................................................................................................................................... 11
2.4.2 LPB2926A ........................................................................................................................................................... 12
2.4.3 LPB2952A ........................................................................................................................................................... 13
2.4.4 Supported SFP Transceivers ................................................................................................................................ 14
2.4.5 LED Indicators and their Functions ..................................................................................................................... 15
2.4.6 Power Select ...................................................................................................................................................... 15
2.4.7 Power over Ethernet (PoE) .................................................................................................................................. 15
3. Network Planning ................................................................................................................................................................ 16
3.1 Introduction to Switching ............................................................................................................................................ 16
3.2 Application Examples .................................................................................................................................................. 16
4. Installing the Switch ............................................................................................................................................................ 17
4.1 Selecting a Site ............................................................................................................................................................ 17
4.2 Ethernet Cabling .......................................................................................................................................................... 17
4.3 Equipment Checklist .................................................................................................................................................... 18
4.4 Mounting ....................................................................................................................................................................18
4.5 Installing an Optional SFP Transceiver .......................................................................................................................... 19
4.6 Connecting to a Power Source .................................................................................................................................... 20
4.7 Connecting to the Console Port .................................................................................................................................. 21
4.8 Web-Based Management ............................................................................................................................................22
5. Making Network Connections ............................................................................................................................................ 24
5.1 Connecting Network Devices ......................................................................................................................................24
5.2 Twisted-Pair Devices .................................................................................................................................................... 24
5.2.1 Cabling Guidelines ..............................................................................................................................................24
5.2.2 Connecting to PCs, Servers, Hubs, and Switches ...............................................................................................24
5.2.3 Network Wiring Connections .............................................................................................................................24
5.3 Fiber Optic SFP Devices ................................................................................................................................................25
5.4 Connectivity Rules .......................................................................................................................................................26
5.4.1 1000BASE-T Cable Requirements .......................................................................................................................26
5.4.2 1000 Mbps Gigabit Ethernet Colllsion Domain .................................................................................................. 26
6. Cable Labeling and Connection Records .............................................................................................................................28
7. Troubleshooting ...................................................................................................................................................................29
8. Power and Cooling Problems ..............................................................................................................................................30
8.1 Installation ...................................................................................................................................................................30
8.2 In-Band Access ............................................................................................................................................................30
9. Cables ............................................................................................................................................................................. 31
9.1 Twisted-Pair Cable and Pin Assignments ..................................................................................................................... 31
9.2 10BASE-T/100BASE-TX Pin Assignments ...................................................................................................................... 31
9.3 Straight-Through Wiring .............................................................................................................................................. 31
9.4 Crossover Wiring .........................................................................................................................................................32
9.5 1000BASE-T Pin Assignments .....................................................................................................................................32
9.6 Cable Testing for Existing Category 5 Cable ................................................................................................................33
9.7 Adjusting Existing Category 5 Cabling to Run 1000BASE-T ........................................................................................33
9.8 Fiber Standards ............................................................................................................................................................33
Appendix. Glossary ...................................................................................................................................................................34
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