华为NE40E交换机​​检查端口光功率

操作步骤

1. 执行命令display interface interface-type interface-number，查看接口当前运行状态和接口统计信息。判断两端光模块的最大传输距离和中心波长是否一致，收发光功率值是否在正常范围内。如均满足，则两端光模块匹配，进行后面的调测过程。以GE接口为例。

 说明：

1. display interface gigabitethernet 2/0/0GigabitEthernet2/0/0 current state : UP Line protocol current state : UPLast line protocol up time : 2010-02-09 04:26:01 Description:HUAWEI, Quidway Series, GigabitEthernet2/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.1.1/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fc7d-a49d The Vendor PN is FTRJ8519P1BNL-HW The Vendor Name is FINISAR CORP.Port BW: 1G, Transceiver max BW: 1G, Transceiver Mode: MultiMode WaveLength: 850nm, Transmission Distance: 550m Rx Power: -6.72dBm, Tx Power: -6.28dBm Loopback:none, full-duplex mode, negotiation: disable, Pause Flowcontrol:Receive Enable and Send EnableThe setted port-tx-enabling delay time is: 0 ms The remanent time of enabling port-tx is: 0 ms Last physical up time : 2010-03-21 15:35:04 Last physical down time : 2010-03-21 15:35:04 Current system time: 2010-02-10 23:49:52 Statistics last cleared: never Last 300 seconds input rate: 240 bits/sec, 0 packets/sec Last 300 seconds output rate: 88 bits/sec, 0 packets/sec Input: 4763528 bytes, 61864 packets Output: 1718640 bytes, 5208 packets Input: Unicast: 0 packets, Multicast: 30932 packets Broadcast: 30932 packets, JumboOctets: 0 packets CRC: 0 packets, Symbol: 0 packets Overrun: 0 packets, LongPacket: 0 packets Jabber: 0 packets, Alignment: 0 packets Fragment: 0 packets, Undersized Frame: 0 packets RxPause: 0 packets Output: Unicast: 0 packets, Multicast: 5208 packets Broadcast: 0 packets, JumboOctets: 0 packets Lost: 0 packets, Overflow: 0 packets, Underrun: 0 packets System: 0 packets, Overruns: 0 packets TxPause: 0 packets Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%

 说明：
《接口属性速查表》请参考附录。本端接口上光模块的接收光功率必须同时满足下面两个条件，才能确保该光模块可用：
常见故障处理