Advantech ARK-4170, User Manual, Page: 21 / 58

9 Chapter 2
2.2 ARK-
4170
front metal face plate external I/O con-
nectors
2.2.1 Power ON/OFF Switch
The ARK-4170 comes with a Power On/Off
switch
, the right side is
Power Off and the other side is Power On.
2.2.2 Power LED Indicator
There are one LED on the ARK-4170 front metal face plate for indicating
system status: PWR LED is for power status and Flash in Red color.
2.2.3 Ethernet Connector
The ARK-4170 is equipped with an Intel 82551ER Ethernet controller
that is fully compliant with IEEE 802.3u 10/100Base-T CSMA/CD stan-
dards. The Ethernet port provides a standard RJ-45 jack connector.
Figure 2.3: Ethernet Connector
Table 2.1:
RJ-45 Connector pin assignments
Pin 10/100BaseT Signal Name
1 XMT+
2 XMT-
3 RCV+
4 NC
5 NC
6 RCV-
7 NC
8 NC