15
4.7 Grounding
Figure 23 GND
There is a grounding screw on the front panel of SICOM3016BA. The
screw is for chassis grounding. Connect one end of the grounding cable to
the grounding screw and the other end to the earth firmly (cross-sectional
area of the chassis grounding cable>2.5mm
2
; grounding resistance<5
).
5
LEDs
Table 7 lists the descriptions of SICOM3016BA LEDs.
Table 7 LEDs
LED
State
Description
Running LED
Run
On
The CPU operates abnormally or the device is starting
up.
Blinking
(1Hz)
The CPU operates properly.
Off
The CPU does not start up.
Alarm LED
Alarm
On
An alarm occurs.
Off
No alarm occurs.
Power LED
PWR
On
The power is connected and operates properly.
Off
The power is not connected or operates abnormally.
Fast Ethernet Port LED
Link/ACT
On
Effective port connection
Blinking
Ongoing network activities
