A-B 1771-IFEC Analog input module
Verify that the shields of all telephone cables entering the shielded facility must be bonded to each other and to the earth electrode subsystem through the steel entry plate. (19) Verify that filters specified in the design are installed as shown on the engineering drawings. (20) Verify that all power line filter cases are directly bonded to the equipment case or enclosure. (21) Verify that filters are bonded to any subassembly enclosure used to maintain shield effectiveness. (22) Verify that filters on power, control, and signal lines are installed in a manner that maintains the integrity of the shield. (23) Verify that the power line filters are completely shielded with the filter case. (24) Verify that filters on power control and signal lines are placed as close as possible to the point of penetration of the case.
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