Lesson 2/Learning Event 1
PRACTICAL EXERCISE (CONT)
The _______________ circuit is the same in all mode of operations
for the TA-312/PT.
4. When signaling in the LB mode, _____________________ prevents ringing
current from flowing through the local telephone.
lineswitch contacts 3 and 4 (hookswitch)
lineswitch contacts 1 and 2 (hookswitch)
If the operator at the CB switchboard does not receive a
signal, _______________ in the local telephone is at fault.
capacitor M shorted
resistor B open
resistor L shorted
resistor L open