# Primary Interfaces Connections

Ports and external interfaces are present on the back side of the unit. The units ports can be used to connect the Panel PC to an external device.

1 | Profinet 1 | 5 | Power Button | 9 | GPIO Connector
2 | Profinet 2 | 6 | USB 1 | 10 | Power Connector
3 | Ethernet 1 | 7 | USB 2 |  |
4 | Ethernet 2 | 8 | RS-232/422/485 COM |  |

## External I/O Module

GPIO Connector 1x M12 8-pin (female A coded)

GPIO | PIN | Signal Name
--- | --- | ---
| 1 | GND
2 | Out 1
3 | Out 2
4 | Out 3
5 | Out 4
6 | In 1
7 | In 2
8 | 24V

## 1x M12 8-pin (male A coded) RS 232/422/485 COM

(RS-232/422/485 by EMX-APLP)

Serial Port | PIN | RS-232/422/485
--- | --- | ---
| 1 | DCD / 422R+
2 | RXD / 422R-
3 | TXD / 422T- / 485-
4 | DTR / 422T+ / 485+
5 | GND
6 | DSR
7 | RTS
8 | CTS

## 2x M12 4-pin (female D coded) for LAN

2 x M12 4-pin (female) for LAN with waterproof cover and chain

Serial Port | PIN | Pin Define
--- | --- | ---
| 1 | TD+
2 | RD+
3 | TD-
4 | RD-

## Power Connector

1 x M12 4-pin (male coded A) for DC power with waterproof cover and chain

Serial Port | PIN | Pin Define
--- | --- | ---
| 1 | 24V
2 | GND
3 | GND
4 | 24V