OLP板卡是光线路保护板卡，它主要的功能是实时监测主备用线路的光信号状态，当发生线路故障或线路劣化，可自动在主备用线路之间倒换，保证系统业务能够在50ms以内恢复，从而保证了业务的正常工作。

功能示意图

OLP板卡功能示意图

产品规格

表 1 OLP产品规格

Important Notice

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