20
Connect the Serial Port
The Home Theater Controller provides one serial port as
a subset of the pluggable terminal block provided. See the
following figure to determine how to connect this port as
an RS-232 serial port.
Figure 2-4.
Connect RS-232 Serial Port
TIP:
If you are having trouble communicating with your
device, make sure you have connected the Transmit and
Receiver wires correctly. Ensure that the Transmit line of
the Home Theater Controller is hooked to the Receiver
line of the device, and that the Receiver line of the Home
Theater Controller is hooked to the Transmit line. Also,
ensure that Ground is hooked to the Ground.
12V
SIG
GND
COM
NC
NO
RX
TX
GND
Relevant Pin numbers
in a standard RS-232
serial port
Receiver
Transmit
Ground
(DB9 Pin #2)
(DB9 Pin #3)
(DB9 Pin #5)
