Have you tried looking up the cage code, if it exists ? Ted T Sent from my iPhone > On Jun 21, 2018, at 10:49 AM, Jack Olson <[log in to unmask]> wrote: > > Are you sure it is a Logo? > Sorry if this comment is too obvious, but if it is near a test point or wire connection it may be intended to identify telecommunication, especially if there is no known supplier using that logo. > >> On Wed, 13 Jun 2018 13:58:32 +0000, [log in to unmask] wrote: >> >> Fellow TechNetters: >> >> Is anyone out there familiar with the PWB symbol of " TTY "? I don't have a pic of the symbol just the letters. >> >> Victor,