SkyTrain used the same power source to run trains, power operations and power all communications (emails, public address, phones and radios) – but didn’t have any redundancy in the system. So when the power went down, everything did.
SkyTrain used the same power source to run trains, power operations and power all communications (emails, public address, phones and radios) – but didn’t have any redundancy in the system. So when the power went down, everything did.
