[c-nsp] Interpreting DOM outputs
Robert Hass
robhass at gmail.com
Sat Dec 31 11:52:37 EST 2011
Hi
I have few LX SFPs with DOM but I'm unsure if I reading outputs correctly.
Optical Optical
Temperature Voltage Current Tx Power Rx Power
Port (Celsius) (Volts) (mA) (dBm) (dBm)
--------- ----------- ------- -------- -------- --------
Gi4/1 39.6 3.21 12.4 -4.9 -11.2
Gi4/2 42.9 3.20 11.8 -4.7 -9.6
Gi4/5 38.9 3.33 20.9 -6.9 -12.3
Gi4/6 45.5 3.23 11.2 -4.9 -12.0
Tx Power '-4.9' better than '-6.9' (i.e. signal is stronger if TX
Power is '-4.9' comparing to '-6.9')
Rx Power '-9.6' is btter than '-11.2' (i.e. signal at receiver in case
of '-9.6')
Rob
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