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Table of Contents

                            PRESENTATION.  BHARAT SANCHAR NIGAM LTD.
INTRODUCTION
BHARAT SANCHAR NIGAM LTD.
BHARAT SANCHAR NIGAM LTD. (Cont.)
PRODUCTS AND SERVICES
PRODUCTS AND SERVICES  (Cont.)
TYPES OF EXCHANGES
OCB-283
Salient Features Of OCB
Specifications.
Main Divisions Of OCB-283
MDF ROOM
MDF ROOM (Cont.)
Slide 14
Slide 15
Switching Room
Switching Room (Cont.) CARDS
Types Of Cards.
Switching Room (Cont.)
Slide 20
Exploitation Room
Exploitation Room (Cont.)
Call Processing
Call Processing
Power   Plant Of Exchange
OTHER REQUIREMENTS FOR OCB FUNCTIONING:
Subscriber facilities
Slide 28
COMPARISON BETWEEN OCB-283 AND E-10 B :
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