TELECOM Digest OnLine - Sorted: Re: Western Lamp Cadences

Re: Western Lamp Cadences

Sam Spade (
Mon, 04 Sep 2006 16:42:43 -0700

Al Gillis wrote:

> Back in the "Good Old Days" Western Electric produced a number of
> products that used different lamp on/off cadences to indicate various
> circuit conditions. 1A and 1A2, for example had a flash cadence
> (~500ms on, 500ms off) and a wink cadence (~250ms off, 750ms on).
> There was another cadence on some products that I recall being called
> "flutter" which had a very rapid on/off cycle. Does anyone know what
> the on/off time intervals of this cadence were?

> Thanks in advance!

Don't recall ever seeing the one you refer to. But, wasn't the fast
flash called wink hold? I know the other was visual ringing.

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