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4.
STATUS INDICATORS
The 2406LR module has three LED status indicators on the front of the box to show operational status
of the module at a glance.
4.1.
RF OUTPUT INDICATOR
In Manual Mode
HIGH:
The RF DRIVE LED will be RED when the incoming RF signal plus the module
gain is over -5dBm and is overdriving the laser.
OK:
The RF DRIVE LED will be GREEN when the incoming RF signal plus the
module gain is within the normal drive levels for the laser, which is between -
45dBm to -5dBm.
LOW:
In manual gain mode, the RF DRIVE LED will be ORANGE when the incoming
RF signal plus the module gain is under -45dBm and is under driving the laser,
leading to non-optimal signal to noise ratio.
In AGC Mode
HIGH:
This LED will be RED when the gain is above the upper-bound of the AGC hold
range.
OK:
In AGC mode, this LED will be GREEN when the gain is within the AGC hold
range.
LOW:
In AGC mode, this LED will be ORANGE when the gain drops below the lower-
bound of the AGC hold range (outside of AGC hold range).
L-Band/Wideband Standalone Fiber Receiver
Revision 1.0
2406LR
Page - 9
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