AOpen CHROMEBOX DE3255 User Manual page 19

3.3 Left Side
1
1. Kensington Lock port :
Kensington lock is an anti-theft system to protect your device.
2. Screw hole :
M3 screw hole for a bracket.
3.4 Connection Block Diagram
Front
SD/SDHC
RJ50 to RS232 (9 pin) cable (optional)
2 2
16