Choo Woon Chee, Michael2008-11-262008-11-262008-11-26https://hdl.handle.net/2139/942enPlease contact the West Indiana Division at the University of the West Indies,St.Augustine in order to view the full thesis. Contact: wimail@sta.uwi.eduSwitching circuitsAnalog electronic systemsMicroprocessor based diagnosis system for the ND-20 switch line cards FRC-21, FRC-26 and FRC-24mThesis