Briefly describe the function of an interposing relay

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Reference no: EM131475925

Question: 1. Briefly describe the function of an interposing relay.

2. I/O modules are keyed to prevent unauthorized personnel from removing them from the I/O rack.

Reference no: EM131475925

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Briefly describe the function of an interposing relay : I/O modules are keyed to prevent unauthorized personnel from removing them from the I/O rack.

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