User Manual

Structure & function
23
Building Technologies sst2.doc
Fire Safety & Security Products 12.2009
4.2.8 Ethernet interfaces
The NK823x main board is equipped with two Ethernet interfaces The two RJ-45
connectors also include 2 LEDs (yellow and green) reporting the LAN status as fol-
lows:
• Yellow LED: if on, a 100 Mbps link is active.
• Green LED: flashing when data is received or transmitted
– The Ethernet interface 2 (X2) is currently not supported in software.
4.2.9 USB interface
The NK823x main board is equipped with a USB interface.
– The USB interface (X1) is currently not supported in software.