Troubleshoot to the component level fieldbus computer network protocol devices used in the TCN ( Train communication network). These devices are parts of the network used on the subway train control system. This is a layered network topology using MVB (multifunctional vehicle bus) and WTB (wire train bus) protocols, RS-232 and RS 485, and ethernet to interface with the upper and lower levels of the control system.
SGS North America Inc. Complete engineering test, collect data and evaluate measured data for consumer and retail product safety, certification and listing. Construct test and obtain data using specialized electronic test equipment for verification and performance of manufactured consumer products, electronic devices and associated components to published standards.
Test and repair transport category aircraft low range altimeters and high frequency radio transmitter receivers. Complete data entry and numerous pages of documents related to all work performed in the FIT data system.
Comverge Inc. Perform test on R.F. programmable thermostatic HVAC control devices.
Troubleshoot and repair to the component level microprocessor, DSP controlled dual band, dual mode dual conversion superhetrodyne transceiver cell phone device. Use 8920B communications test set with integrated audio function generator, powersupply and P.C. diagnostic software to simulate AMPS environment. Use spectrum analyzer, digital oscilloscope, dmm, andmultiple computer software interface tools to download, adjust, align and troubleshoot. Solder and desolder all surface mount components including high pitch count I.C.s