Black Box LP004A manual Operation, Troubleshooting

BLACK BOX→ Power Over Ethernet Switch(PoE) Installation and User Guide

3.4	.................................................................DIN-Rail mounting option		31
3.5	Power Requirement for Black Box LP004A Power Source Switch ..		32
3.6	Powering the LP004A Series (DC internal) with –48VDC power input33
3.7	LP004A , DC-powered, -48VDC Installation		35
3.8	Connecting Ethernet Media		36
3.8.1		Connecting Twisted Pair (RJ-45, CAT 3 or CAT 5)	37
3.8.2		Connections to NICs which support Auto-Neg RJ-45 ports	38
4.0	OPERATION		39
4.1	Dual-Speed Functionality, and Switching		39
4.2	Auto-cross (MDIX), Auto-negotiation and Speed-sensing		41
4.3	Dual LEDs, Front-panel and side-panel (LP004A Series)		42
5.0	TROUBLESHOOTING		43
5.1	Before Calling for Assistance		44
5.2	When Calling for Assistance		45
5.3	Return Material Authorization (RMA) Procedure		47

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