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Lightning & Surge Protection: Practical platform installation
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Practical platform installation

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Every trunk and extension is passed through the platform disconnect blocks. The SDP’s (surge protection devices) are then placed in the disconnect blocks.
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Every trunk and extension is passed through the platform disconnect blocks. The SDP’s (surge protection devices) are then placed in the disconnect blocks. Ensure no circuit is connected to the PABX without passing through a SPD. The power input first passes through the filter on the platform and then on to the PABX. The call logging computer signal is connected via an opto-isolator first before it is connected to the PABX. A single earthing stud is provided on the platform to which all connections are connected and earthed.