Integrating A Viking RC-2A Into A ShoreTel System For Unlocking A Door/Gate: PART 2

If you saw my earlier post about the Viking unit integration with the ShoreTel system, I thought I would post a second implementation that I did.  Basically the same config as the last post (see link above), but the Viking unit was a little different. Here is the topology and a picture of the Viking unit.  I think it will help if you run into this Viking box.  It happens to be the same model number, but with different port availability.  Interesting.
TOPOLOGY:

PICTURE OF UNIT: