On Sun, Sep 3, 2023 at 4:25?PM Doug <n0daj1950@...> wrote:
I still have one of those Christmas Trees!
On 9/3/2023 14:24, James Holtzman via
wrote:
Back in the days when people actually used rs-232, we had a
hardware device, some called it a xmas tree.? It had a bunch of
LEDS that would light up showing the various status lines of the
connection and when data passed, lights would flash.? Of course,
we could always use an oscilloscope.