Hi Marvin,
Glad you got it working ok.
Actually, at least to me that is logical. The COM ports go over the SIP connection between the
two RRC's. This can only possibly work when they are connected via SIP, i.e. when the transceiver
is turned on.
If this is a problem, then use a stand-alone serial server, such as from Lantronix or Moxa.
73,
Mitch DJ0QN / K7DX