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The TSJ-PoE Series surge suppressors are designed to protect equipment from transient over-voltages on Power and Ethernet applications. The DC power terminal is connected directly to the positive pins (4,5) and the negative pins (7,8) of the RJ45 jack and when connected to a DC power supply it provides power for the Power and Ethernet circuit. The suppression protects the Ethernet circuit by limiting the magnitude of transient over voltages that are present on each pair relative to each other and relative to ground.
