| 摘要 |
<p>The invention relates to an optical transmission system comprising transmitter and receiver devices (TX1, TX2, RX1, RX2) and comprising automatic optical signal level configuration means (AC1 to AC4) which provide the same fixed output signal level for a received signal level range, and the system comprising at least one automatic self-level unit (AC1, AC3) in the transmitter device (TX1, TX2) and at least one automatic self-level unit (AC2, AC4) in the receiver device (RX1, RX2).</p> |
