GENERAL INFORMATION

Indicator Lights Signals

The following light signals are generated by the system for the attendant console and multi- appearance voice terminals.

LAMP SIGNAL

PATTERN (In ms)

Dark (Off)

Off

Lighted (On)

On

Flashing

500 on, 500 off; repeated

Fluttering

50 on, 50 off; repeated

Broken Flutter

5 cycles of 50 on, 50 off,

 

followed by 500 off; repeated

Wink

350 on, 50 off; repeated

2-20

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AT&T System 85 manual Indicator Lights Signals