Aboled Sc-ds-d - 2014-i Kontroller

If some colors are missing, check if a wire in the 4-pin connector is loose.

Also, never hot-swap RJ45 cables while the controller is powered—transient voltages can destroy the PHY chips. Aboled sc-ds-d 2014-i kontroller

Your specific (e.g., Hach, Multispan, or custom embedded solutions). If some colors are missing, check if a