Page 39 - eBOOK FUNDAMENTAL OF TELECOMMUNICATION NETWORK
P. 39

BASIC PSTN




                   NETWORK DIAGRAM

























          Customer                                                                                  Customer

           Premises                                                                                 Premises
          Equipment                                                                                Equipment

              (CPE)                                                                                    (CPE)



                                                 Central Office (CO)


















                          Analog                          Digital                        Analog
















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