IBM 4 LINE TELEPHONE WITH CALLER ID -412CID User Manual
Page 36
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TECHNICAL SPECIFICATIONS
Flash Rate for Lights
On Steady
Solid light.
Flashing Slowly
1 sec on, 1 sec off, repeatedly.
Flashing Rapidly:
0.125 sec on, 0.125 sec off, repeatedly.
Blink 1:
1.875 sec on, 0.125 sec off, repeatedly.
Blink 2:
0.875 sec on, 0.125 sec off, repeatedly.
Blink 3:
0.125 sec on, 0.875 sec off, repeatedly.
Sound Rate of Intercom Buzzer
Ring:
0.25 sec on.
Double ring:
0.25 sec on, 0.25 sec off, 0.25 sec on, 0.25 sec off.
ICM ring:
0.25 sec on, 0.25 sec off, 0.25 sec on, 1.25 sec off, repeatedly
Transfer ring:
1 sec on, 1 sec off, repeatedly.
ID-error ring:
0.25 sec on, 0.25 sec off, repeatedly.
Tones
Dial tone:
Continuous tone.
Busy tone:
0.25 sec on, 0.25 sec off, repeatedly.
DND tone:
0.5 sec on, 0.5 sec off, repeatedly.
Ring back tone
1 sec on, 1 sec off, repeatedly