Checking Out and Troubleshooting Your DeltaV System > Checking Out Your System > Step 3. Checking the LED Indicators on Each Device

Media Converter LEDs

The following table describes the LEDs for the Media Converter.

Table: Media Converter LEDs
LED Correct Operating Condition Fault Indication Possible Cause Corrective Action
Green – Power On Off Power is not supplied to unit. Possible line power problem. Check power supply and connections.
Red – Error Off On Internal fault. Contact technical support.
Green – Pri. F Lnk On Off Fiber-optic cable is incorrectly connected. Check fiber-optic cable connection. (Connects transmit to receive.)
Green – Pri. C Lnk On Off Twisted pair cable is incorrectly connected. Check cable pinouts.
Green – Sec. F Lnk On Off Fiber-optic cable is incorrectly connected. Check fiber-optic cable connection. (Connects transmit to receive.)
Green – Sec. C Lnk On Off Twisted pair cable is incorrectly connected. Check cable pinouts.