NK823x Interfaces and Pins

NK823x Interfaces (Top View)

 

Description

1

USB (not supported)

2

Ethernet port 2

3

Ethernet port 1

4

1 relay output (X101 - See NK823x Pin Assignment)

5

3 digital inputs (X102 - See for NK823x Pin Assignment

6

Dual power supply input for redundant solutions (X103 - See NK823x Pin Assignment)

7

RS485 COM 1 (X104 -See NK823x Pin Assignment)

8

RS485 COM 2 (X105 - See NK823x Pin Assignment)

9

Pin numbering

NK823x Interfaces (Bottom View)

 

Description

1

COM 3 (available on NK8235.4 only) 1)

2

COM 4 (available on NK8235.4 only) 1)

3

COM 1

4

COM 2

1)

COM 3 and COM 4 do not support the hardware-handshaking signals for modem control (see NK823x Pin Assignment).