RS-232 Mode for Serial Communication Channel
DIP Switch Position
Description
TX & RX
ON [
]
TxD: The 2
nd
pin of RS-232, which is in charge of receiving data
RxD: The 3
rd
pin of RS-232, which is in charge of sending data
OFF [
]
TxD: The 3
rd
pin of RS-232, which is in charge of receiving data
RxD: The 2
nd
pin of RS-232, which is in charge of sending data
(TX MODULE)
Default RS232 Port Module Settings and Required DB9 Cables:
Both TX and RX modules are set to DCE mode as default mode (DIP switch down position). This
requires all RS232 9-Pin (DB9) to be straight-thru type. To connect the TX module DB9 port to
PC or control device, a DB9 Male to Female cable is needed while connecting RX module DB9
female port to RS232 device, a DB9 Male to Male cable is needed.
HD-C5S4P RS232 port is only for controlling A/V devices including HDTV, projector or switches
with serial control port. It will not work with other serial devices like modem or barcode scanner.
Learn more about RS232 Serial Interface:
http://en.wikipedia.org/wiki/RS-232
