HD-EO
Rev.
2
13
4.2.2
Version 1 GPI pinout
Pin # Signal
Name
Mode
1 Status
General error status for
the module.
Open
collector
2
Laser Fail Laser failure.
Open
collector
3
LOS
Loss of signal.
Open
collector
4
LOCK
Reclocker out of Lock.
Open
collector
5
Not in use.
6
Not in use.
7
Not in use.
8
Ground
0V / GND pin.
0V
Figure 8: HD-EO version 1 GPI pin-out.
4.3
Front Panel - Status Monitoring
The status of the module can be easily monitored visually by the LED’s at the
front of the module. The LED’s are visible through the front panel as shown in
figure 8 below. (Text not printed on front panel).
Figure 9 - Front panel indicator overview for HD-EO. Left: version 2; right: version 1.
The HD-EO has 4 LED’s each showing a status corresponding to the GPI
pinning. The position of the different LED’s is shown in figure 9.
