JDS Uniphase MAP EDFA OAB 1550 - Fetch Commands; How to Fetch the Output of the EDFA

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Fetch Commands
How to Fetch the Output of the EDFA
COMMAND :FETCh:POWer:OUTPut?
DESCRIPTION Query the optical output power value of the specified device.
INPUT FORMAT :FETch:POWer:OUTPut? <C>,<S>,<D>
INPUT RANGE
OUTPUT FORMAT <Power>
OUTPUT RANGE Float OPmin to OPmax
OPmin = - - - - - - - (TOO LITTLE LIGHT < OPmin)
Opmax= +++++++ (TOO MUCH LIGHT > Opmax)
DEFAULT N/A
EXAMPLE The following example queries the power reading from OA output port.
Console input:
:FETCh:POWer:OUTPut? 2,1,1
Console response: 5.3482
Assuming that the system unit has
been set to LOG the above response
indicates that the output power is 5.348
dBm.
If system power unit is linear, the
following value (in W) will be displayed:
Console Response: 3.426e-3
ERRORS
Error Number Error Description
-100
Command error
-500
Invalid address or no card inserted.
-540
Invalid setting (device does not have an
output photo monitor circuit present)