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UAX12 Diagrams The diagrams for use with the UAX12 in it's pre-std form are: AT3661-1 Subscribers line, linefinder and selector circuits AT3662 Ringing, tones, alarms, meter and time-pulses AT3663 Bothway junction AT3665 Line-testing circuit AT3666 Relay-set for multi-metering (used with junction relay-set AT3667 Common multi-metering relay-set AT5244 NU tone on MDF for faulty & TOS lines AT600450 Subs line, linefinder & selector circuit (modified for STD) AT600460 Subs line, linefinder & selector circuit (At 3611 modified for STD) ATU600540 Pulse supply & monitoring relayset for local call timing ATU600610 Junction busying relayset ECW101 Wiring of subscribers line circuit ECW102 Wiring of subscribers line circuit associated with test relay ECW103 Wiring of linefinder circuit for 25-line unit ECW104 Wiring of linefinder circuit for 20-line unit ECW105 Wiring of linefinder alloter circuit ECW106 Wiring of fuse-alarm and battery-jack circuits ECW107 Wiring of line-testing circuit ECW108 Wiring of linefinder allotter circuit TP540 General features
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