| 摘要 |
<p>A telecommunication network, comprising an exchange (1), an intermediary network (2) between the exchange and the curbs (3), and per curb a local network (10) between the curb and subscriber connections. For the transmission of wide-band signals, the local network comprises, at the side of the curb, an optical transmitter (6) and, at the side of the subscribers (7), optical receivers (8) which cooperate with said transmitter. For narrow-band services such as conventional telephony, a conventional copper cable (11) can be used locally if desired.</p> |
