OPTOKON EDFA User Manual page 52

Reports the EDFA Mode.
AM{cr}
Example usage:
AM{cr}
Reply is:
AM:{sp}O{cr}
EDFA operates in OFF mode. In OFF mode, the laser diode driving current
are set to 0 mA, alarms are disabled, and TEC are enabled.
or Reply is:
AM:{sp}G{cr}
EDFA operates in AGC mode.
or Reply is:
AM:{sp}C{cr}
EDFA operates in ACC mode.
APC{sp}[1,2]{sp}<value>{cr} Set the output power in APC mode for each stage.
Example usage:
APC{sp}1{sp}11{cr}
Reply is:
APC{sp}1{sp}11{cr}
the output power for stage 1 in APC mode is set to 11 dBm.
APC{cr}
Example usage:
APC{cr}
Reply is:
APC{sp}1:{sp}10 dBm{cr}
APC{sp}2:{sp}17 dBm{cr}
the output power for stage 1 in APC mode is set to 10 dBm, the output power
for stage 2 in APC mode is set to 17 dBm.
Report the output power in APC mode for each stage.
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EDFA optical amplifier – user manual