User manual

19
Chapter 7
Technical Information
7.1 Features and Advantage of the IceCube 1394a
9 Over Voltage Protection (OVP) with a limit of 10% before shut down (max 30V).
Protection for device or Hard Drive damage, caused by sudden voltage spikes in the
power supply and wrong or faulty power adapter.
Indication: Blue LED off, Red LED on
9 Low Voltage Detection (LD) indicating insufficient power supply. Possible case, low
bus power, sudden voltage slump in the power supply or faulty power adapter.
Indication: Blue LED on, Red LED on
9 Connector Polarity Protection to prevent any damage to the device or Hard Drive
caused by using a wrong adapter or PS2 cable (correct: internal+, external-).
Troubleshooting
A special feature of the IceCube 1394a is the LED indicator; please consult the following
table for details.
Blue LED Red LED
Status ON, working normal
ON OFF
Status ON, low power (LD)
ON ON
Status ON, over voltage (OVP)
OFF ON
Status OFF or faulty bridge board
OFF OFF