====== CPi-J IO Features ======

===== Rear Panel IO =====

The CPi-J series panel PCs expose 1 RS-232 port and 2 RS-485 ports on its rear panel.

{{ :comfilepi:cpi-j-rear.png }}

===== Underside IO =====

The underside of the CPi-J exposes 12~24VDC power input, 2 USB 3.0 host ports, and an RJ45 1Gbps Ethernet port.

{{ :comfilepi:cpi-j-bottom.png? }}

===== Side Panel IO =====

The left panel of the CPi-J panel PCs expose boot selection DIP switch.

{{ :comfilepi:cpi-j-left.png?500 }}

^  DIP Switch Position        |^  Description                        ^
^  1                    ^  2   ^                                     ^
| OFF                   | OFF  | Boots from the internal eMMC        |
| ON                    | OFF  | Boots from a USB Drive              |
| OFF                   | ON   | Boots from the internal NVME Drive  |
| ON                    | ON   | Reserved                            |

The right panel of the CPi-J panel PCs expose a MicroSD card slot, stereo audio output jack, and USB-C console port. (''/dev/ttyAMA0'') 

{{ :comfilepi:cpi-j-right.png?500 }}