On July 2, 2008 at 16:04, Do{}Until(); said...
Crestron QM-RMC has 2 two way RS-232 Ports and one IR
port that can be set up to be a 1 way RS-232 port. A
very simple program could route the 2 incoming ports to
the outgoing 1 way port.
Thank you for the suggestion. We have also thought about this option also (but using an AMX NI-700). I will prefer to avoid the AMX processor if there is a simple passive device that can do this.