ETH1000-D
Rev.
1
5.2 GPI Alarm – Module status outputs
These outputs can be used for wiring up alarms for third party control systems. The GPI
outputs are open collector outputs, sinking to ground when an alarm is triggered. The GPI
connector is shown in figure below.
GPI pinning
Signal Name
Pin
# Mode
Status
General error status for the
module.
Pin 1 Open Collector
LOS
Loss of optical signal
Pin 2 Open Collector
LINK
Ethernet electrical link
Pin 3 Open Collector
LASER
Laser fail
Pin 4 Open Collector
Ground
0 volt pin
Pin 8 0V.
Electrical Maximums for GPI outputs
Max current: 100mA
Max voltage: 30V
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