AT&T System 85 manual Indicator Lights Signals

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

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