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Electrical Test Instruments PI-800 GEN2 and PI-1600 GEN2
MAC-21 Internal Parts
INPUT CONNECTOR: This connector, located on the upper rear corner of the MAC-21,
provides 120 VAC control power, and connects to the air core CT (current sensor), and
initiate circuitry of the test set and is designed to facilitate removal of the MAC-21 for
service or shipment. Additional pins are used to provide isolated logic level control for
motorized vernier raise and lower for the current hold feature.
Figure II-2: MAC-21 Front Panel
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