Labels:text | diagram | screenshot | line | font | parallel | plan | number OCR: SUPERVISED BELLS USING AN EXTERNAL POWER SUPPLY + TO AN EXTERNAL POWER SUPPLY NO NO TO CONTROL WITH A TO SIGNALING NC NC SUPERVISORY DEVICES WITH ZONE USING END OF LINE RESISTOR C RELAY C END OF LINE RESISTOR CCOIL RELAY IS SHOWN DE-ENERGIZED TO BELL TERMINALS
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