EEVblog #619 – Dumpster Dive PABX Teardown

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Panasonic KX-TVP100AL Voice Processing System:
Panasonic KX-TD816AL Digital Super Hybrib System PABX
Installation Manual
NEC Zen Alpha
Datasheets:
3W isolated DC DC converter
MT8952 HDLC Protocol Controller
MC14LC5480 PCB Codec Filter
MT8941 T1/CEPT Digital Trunk PLL
MT8952 HDLC Protocol Controller

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