[comp.dcom.telecom] In-use indicator from AT&T

OLE@CSLI.Stanford.EDU (Ole J. Jacobsen) (11/01/88)

Folks,
	You can buy a really GOOD line monitor from AT&T for about $20
if my memory serves me right. This is expensive, but they work
well, and run several years on a single 9V battery. The trick
is using a FLASHING LED rather than a steady glow one.  I have
several of these boxes, and the only bug I've found is that the
LED flashes merily away when the box is disconnected from the
phone line, but that's a minor problem. I'm afraid that AT&T might
be the right choice, check out your friendly Death Star Store.

Ole
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