13
1.877.877.2269
BLACKBOX.COM
NEED HELP?
LEAVE THE TECH TO US
LIVE 24/7
TECHNICAL
SUPPORT
1.877.877.2269
CHAPTER 3: CONNECTIONS AND INSTALLATION
3.3 RS-232 PASSTHROUGH
The bi-directional RS-232 passthrough function enables you to use two devices that support RS-232 (such as a laptop and a projector) for
serial communication. Connect to the devices via RS-232 cables to control the source device or the display.
IR IN
SWITCH
RS232 IR
IR OUT
DC 12V
RS232
TX RX G
HDMI IN
OPTICAL OUT
IR IN
SWITCH
RS232 IR
IR OUT
DC 12V
RS232
TX RX G
HDMI OUT
OPTICAL IN
LAPTOP
FIBER OPTIC
CABLE
RS232 PORT
CONNECTED RS232 DEVICE PINS
GND
TX
RX
SWITCH TO RS232
HDMI
PROJECTOR
RS232
SWITCH TO RS232
RS232
HDMI
FIGURE 3-2. RS-232 PASSTRHOUGH