Table 8. Ethernet LED Indications (Continued)
LED
Status
Indication
Speed
OFF
No link, or 10 Mbps link
Green
100 Mbps link
Amber
1,000 Mbps link
Using the RESET Button
Pressing the RESET button resets the processor and reboots the system.
Figure 19. RESET Button Locations
SYSTEM
P
oE
48 V
ISO
C
ISO
C
P
oE
V
P
oE
V
ISO
5-24 V
12-2
4
V
C
V
1
1. RESET Button
(RT only) Troubleshooting Network Connectivity
Use the RESET button to troubleshoot network connectivity.
1.
Hold the RESET button for 5 seconds, and then release it to boot the IC-3120 into safe
mode.
2.
After booting the controller into safe mode, hold the RESET button again for 5 seconds to
enable IP reset, which resets the network adapter to its default configuration.
Safe Mode
When you boot the IC-3120 into safe mode, it launches only the services necessary for
updating its configuration and installing software. To resume normal operations, press the
RESET button for less than 5 seconds.
IC-3120 User Manual
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© National Instruments
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