How to view optical power parameters

Run the display transceiver interface command to view optical power parameters.

For example:

display transceiver interface gigabitethernet 0/0/1 verbose
GigabitEthernet0/0/1 transceiver information:
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Common information:
Transceiver Type :1000_BASE_SX_SFP
Connector Type :LC
Wavelength(nm) :850
Transfer Distance(m) :300(50um),150(62.5um)
Digital Diagnostic Monitoring :YES
Vendor Name :SumitomoElectric
Ordering Name :
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Manufacture information:
Manu. Serial Number :88K056C10353
Manufacturing Date :2008-08-08
Vendor Name :SumitomoElectric
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Diagnostic information:
Temperature(??C) :26.00
Temp High Threshold(??C) :85.00
Temp Low Threshold(??C) :-40.00
Voltage(V) :3.29
Volt High Threshold(V) :3.64
Volt Low Threshold(V) :2.95
Bias Current(mA) :4.57
Bias High Threshold(mA) :9.00
Bias Low Threshold(mA) :2.00
RX Power(dBM) :-40.00
RX Power High Threshold(dBM) :0.00
RX Power Low Threshold(dBM) :-16.99
TX Power(dBM) :-5.03
TX Power High Threshold(dBM) :-2.22
TX Power Low Threshold(dBM) :-6.99
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