10 Failures and LED Indications
10.3 Indications Signaled by LEDs
191
SICAM I/O Unit, 7XV5673, Device Manual
E50417-H1040-C484-A3, Edition 05.2012
10.3
Indications Signaled by LEDs
SICAM I/O Unit automatically monitors the functions of its hardware, software, and firmware components. The
LEDs on the top side of the housing indicate the current device status.
Designation of the LEDs
Figures 10-4
Designation of the LEDs
Meaning of the LEDs
LED (green, red, yellow): on
LED (green, red, yellow): flashes
LEDs H1/H2/ERROR: as set by the user
LED: off
LED Speed (yellow):
off: 10 Mbit/s
on: 100 Mbit/s
LED Link/Activity (green):
LED on: Ethernet link is up
LED flashing: Ethernet link is up and data is transferred
LED off: no Ethernet partners connected
RUN
H1
Link/Activity
ERROR
H2
Speed
Table 10-1
Indications Signaled by LEDs
LED
Meaning
Device switched off
No firmware loaded
C
C
RUN
ERROR
H1
H2
RUN
ERROR
H1
H2
MAN_SICAM_IO-Unit_7XV5673_US.book Page 191 Thursday, May 10, 2012 10:59 AM