Black Box LP004A manual

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

terminal block. The front side of the chassis has three twisted-pair switched ports and one port is provided on the rear side. All the four ports of the PoE Switch support auto-cross (MDIX), and perform the auto-cross in the auto-negotiation mode only.

Dual LEDs indicating operating status of ports may be viewed from any direction, and are mounted on the top as well as end for convenience. There are power (PWR) indicators for the unit to validate that the unit is turned ON.

Fig2.1a. Black Box LP004A, Front view (three RJ-45 ports on Front side of the unit, as shown in Fig

Fig 2.1a

For each port, there are Link and Activity (LK/ACT) LEDs indicating traffic and mounted on the top of the unit, whereas the end LEDs mounted next to ports indicate

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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