User Manual

Hardware Installation

Building Technologies

048_DMS_NK8000_ICC_MP4.40_A6V10062437_a_en.doc

Fire Safety & Security Products 06.2011

X2/X3: Ethernet connector NK823x

A standard RJ45 connector connects Ethernet. Cat.5 UTP cabling is best suited.

Pin Assignment

1 TX+

2 TX-

3 RX+

4 n.c.

5 n.c.

6 RX-

7 n.c.

8 n.c.

X101: Onboard I/O (output relay)

Pin Assignment

1 Common

2 NO output

3 NC output

X102: Onboard I/O (inputs)

Pin Assignment

1 Input 1 (or Mains failure)

2 Input 2 (or Battery fault)

3 Input 3 (or Power supply fault)

4 Common

5 + Val

6 - Val

 See onboard I/O schematics 5.6 p.25.

27Ah 12V

Vin = Voltage In

Vout = Voltage Out

Batt = Battery

Fig. 21 NK823x power connections

NK823x power supply connection

Note the dual power supply input for redundant solutions