Product overview
C7015
16
Version: 1.0
3.3
Status LEDs
The Industrial PC has four status LEDs: UPS-OCT, PWR, HDD, TC. They provide information on the
following aspects:
• the transmission quality of the UPS-OCT signals
• the status of the power controller
• the hard disk activity
• the TwinCAT status
Fig. 9: C7015_Status LEDs
3.3.1
UPS-OCT LED
The UPS-OCT LED indicates the transmission quality of the UPS-OCT signals. UPS stands for the
uninterruptible power supply. One-cable technology (OCT) enables the communication between PC and
UPS to be transmitted together with the power supply, so that only one cable is required.
The colors and flashing intervals have the following meanings:
Table 8: Meaning of the UPS-OCT LED
Color
Flashing interval
Meaning
None
Steadily lit
No UPS-OCT connected
Blue
Flashing
Bootloader active
Yellow
Steadily lit
Moderate signal quality
Green
Steadily lit
Good signal quality
Red
Steadily lit
Poor signal quality
