Structure And Functions; Nk822X Hardware; Front Panel - Siemens NK8000 MP.4.60 Installation Function & Configuration Commissioning Safety Regulations

Structure and functions

4

NK822x hardware

4 Structure and functions
4.1
4.1.1
18
Building Technologies
Fire Safety & Security Products
NK822x hardware
The NK822x is composed of an electronic board (with optional plug-ins) installed in a
compact and robust plastic box.
NK822x Ethernet port (NK8223 in this example)

Front panel

The front panel houses 9 LED's.
Left Side LED's
The five LED's on the left side are, from top to bottom:
Power (LED green)
Power (hardware – controlled).
Vital functions (LED green)
Software vitality:
Blinking (1 flash)
: core software running.

Tamper (LED bicolour)
Unit tamper:
Red
means tamper alarm (hardware controlled).

Green
means tamper disabled (from management station).

Download (LED red)
Network diagnostics:
Off
: status OK.

Blinking (1 flash)
: missing identification from NS8xxx.

Blinking (2 flashes)
: not used.

Blinking (3 flashes)
: FTP channel open (default mode; for switch settings see

Internal DIP Switches
On
: critical/hardware fault.

.
A6V10062437_a_en
30.06.2013