Black Box LP004A manual Operation

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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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Contents Power over Ethernet PoE Switch January2006 LP004ATrademarks Phone 724 Contacting Black Box CorporationIii Page Page Page Vii Page Page Specifications Operation Revisions Ports Performance Network StandardsOperating Environment Ambient Temperature ratings Storage TemperatureMaximum Ethernet Segment or Domain Lengths Cold StartPackaging Cooling MethodPower Supply Temperature un-controlled Extreme Ratings -40 to 75CPort Connectors LED Indicators Dual front and topMounting options Agency Approvals and Standards ComplianceAccessories Summary of models and descriptions LP004A SeriesInspecting the Package and the Product Product Description LP004A Series Page Page Page Page Black Box LP004A with four RJ-45 Copper ports Page Black Box LP004A, as shown in is Black Box LP004A-Series, with four RJ-45 Copper ports Frame Buffering and Latency Page Page Two sets of LEDs for viewing status from any angle DC Power input for LP004A PoE Switch Rugged metal case, Industrial gradePage Example 4b. LP004A Power Source Switch for PoE device only VideoPage NCM Locating the PoE Switch Unit Page Page Page DIN-Rail mounting option LP004A is shown alongside DIN-Rail-MC2 bracketPower Requirement for Black Box LP004A Power Source Switch Power Output DC Power Terminals +, -, gnd Power Consumption of the unitLP004A , DC-powered, -48VDC Installation Connecting Ethernet Media GND can be hooked up at the lastMedia Ieee Standard Connector Page Dual-Speed Functionality, and Switching Switching, Filtering and Forwarding Switching, Address Learning Auto-cross MDIX, Auto-negotiation and Speed-sensingPage Troubleshooting Before Calling for Assistance When Calling for Assistance