i have a problem with this ERROR CODES BSD090 and BSD000,WE KNOW THE PROBLEM POWER FAULT INDICATION. WE HAVE DETECTED that the voltage on this card QPC82E is lower than 15 Volts and we already change the card with no difference detected... is there something else we could test for? we are at a loss...... we're using NORTEL MERIDIAN 1-71 OPTION 17,76