Chapter 2. Hardware Setup
9
RS-232 Channel Transmission
You can connect RS-232 serial devices/peripherals to the VE1812, such as
touchscreens and bar code scanners. The RS-232 signal transmission flow is
shown in the following example:
From a source device, the RS-232 signal is transmitted (Tx) to the VE1812T
receiving (Rx) unit; the VE1812R transmits (Tx) signals to the display device
(Rx).
PIN
CONFIGURATION
(Captive screw
connectors)
Tx
Rx
Gnd
Tx
Rx
Gnd
Tx
Rx
Gnd
Tx
Rx
Gnd
Serial
Device
Cat 5e / 6 / 6a