Teleco Question...

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Tue Nov 30 20:00:40 1999

On Tue, 30 Nov 1999, Arfon Gryffydd wrote:
> Q2: What's the ring voltage (p-p) and frequency? 90Vpp? 10cyc?

In the U.S.A. for over 10 years (therefore on-topic? :-)
90 V at 20Hz
Many modern instruments are fairly tolerant and can handle other voltages
and frequencies.
Received on Tue Nov 30 1999 - 20:00:40 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:32:31 BST