Merlin 3070 Service And Maintenance Manual page 254

O
Off-premises telephone
Off-Premises Telephone Interface (Type C), 13, 14
off-premises telephone has no dial tone and cannot
receive calls, A2-8
off-premises telephone rings after being placed on
hook, A2-8
off-premises user hears intercom dial tone but cannot
place a call, A2-4
P
Pins, control unit, 5
R
Ring Generator Unit, 18, CIB 3019
Ringing symptoms (trouble on one telephone)
constant ringing whether on or off hook, A1-4
no ringing on a transferred call, A1-5
no ringing on incoming outside calls, A1-6
line rings but there is no caller, A1-3
off-premises telephone rings after being placed on hook, A1-8
particular outside line does not ring, A1-9
peculiar ringing, A1-3
voice terminal rings but no line button is lit, A1-8
Ringing symptoms (trouble on several telephones)
no ringing on an outside line, B1-3
S
Symptoms of trouble (on one telephone)
accessory symptoms, A6
dialing symptoms, A2
feature symptoms, A5
hearing symptoms, A3
light symptoms, A4
miscellaneous symptoms, A7
ringing symptoms, A1
Symptoms of trouble (on several telephones)
accessory symptoms, B6
dialing symptoms, B2
entire system down symptoms, B7
feature symptoms, B5
hearing symptoms, B3
light symptoms, B4
miscellaneous symptoms, B8
ringing symptoms, B1
T
Telephone
back-up telephones, 10
basic Touch-Tone or rotary telephones, 14
cordless telephones, 17
Power Failure Transfer Telephones, 10
telephone answering machine, 17
voice terminal. See Voice terminal
6