8 external peripheral interface connection, Xternal, Eripheral – IEI Integration NANO-PV-D4252_N4552_D5252 User Manual
Page 74: Nterface, Onnection, Figure 4-17: single rs-232 cable installation

NANO-PV-D4252/N4552/D5252 EPIC SBC
Page 60
Figure 4-17: Single RS-232 Cable Installation
Step 3:
Secure the bracket. The single RS-232 connector has two retention screws
that must be secured to a chassis or bracket.
Step 4:
Connect the serial device. Once the single RS-232 connector is connected to
a chassis or bracket, a serial communications device can be connected to the
system.
Step 0:
4.8 External Peripheral Interface Connection
NOTE:
Due to limited space on the mainboard, the VGA and COM port on the
I/O panel cannot be used simultaneously. To utilize both the VGA and
COM port at the same time, please connect the RS-232 COM port
cable to the mainboard pin-header. For convenience, the mainboard
provides support for a maximum of four COM ports plus one VGA port
or five COM ports without VGA setup.