網(wǎng)絡(luò)設(shè)備光模塊的收發(fā)光功率有一個(gè)范圍限制，當(dāng)光功率低于允許范圍的時(shí)候，會(huì)出現(xiàn)網(wǎng)絡(luò)丟包的現(xiàn)象，影響網(wǎng)絡(luò)通信質(zhì)量；當(dāng)光功率高于允許范圍的時(shí)候，會(huì)縮短光模塊的壽命，甚至損壞光模塊。因此，在網(wǎng)絡(luò)維護(hù)的過程中，我們必須經(jīng)常檢查收發(fā)光功率的數(shù)據(jù)，確保在正常允許的范圍內(nèi)。

dis interface GigabitEthernet2/0/0

GigabitEthernet2/0/0 current state : UP

Line protocol current state : UP

Last line protocol up time : 2022-02-22 16:16:48

Description:

Route Port,The Maximum Transmit Unit is 4470

Internet Address is 220.196.6.xxx/30

IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 0025-9e05-31dd

The Vendor PN is MXPD-243S

Port BW: 1G, Transceiver max BW: 1G, Transceiver Mode: SingleMode

WaveLength: 1310nm, Transmission Distance: 10km

Rx Power: -10.77dBm, Tx Power: -6.00dBm

Loopback:none, full-duplex mode, negotiation: disable, Pause Flowcontrol:Receive Enable and Send Enable

常用光模塊的收發(fā)光功率范圍速查表

1、1000M-SFP屬性（GigabitEthernet類型）

2、10G XFP光模塊屬性 （GigabitEthernet類型）

3、10G XFP光模塊屬性 （POS類型）