Black Box LGB5028A, LGB5052A, 24 + or 48 + 4-Port Gigabit Managed Switch with SFP+ 10G 227

Table of Contents

Appendix B. Troubleshooting		227
B.1	Basic Troubleshooting Tips	227
B.2	Contacting Black Box	228
B.3	Shipping and Packaging	228
Appendix C. Cables		229
C.1	Twisted-Pair Cable and Pin Assignments	229
C.2	10BASE-T/100BASE-TX Pin Assignments	229
C.3	Straight-Through Wiring	229
C.4	Crossover Wiring	230
C.5	1000BASE-T Pin Assignments	230
C.6	Cable Testing for Existing Category 5 Cable	231
C.7	Adjusting Existing Category 5 Cable to Run 1000BASE-T	231
C.8	Fiber Standards	231

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