Practical Training Report At BSNL, JODHPUR CONTENTS INTRODUCTION TO BSNL SDH SYNCHRONOUS DIGITL HERARCHY OCB ORGAN CONTOL BOARD MDF MAIN DISTRIBUTION FRAME PCM PULSE CODE…
Practical Training Report At BSNL, JODHPUR CONTENTS INTRODUCTION TO BSNL SDH SYNCHRONOUS DIGITL HERARCHY OCB ORGAN CONTOL BOARD MDF MAIN DISTRIBUTION FRAME PCM PULSE CODE…