EXFO FG-750 User Manual

Page 64

Getting Started with Your Fiber Guardian

FG-750

Connecting a Monitoring Device to the Dry Contact Relays

To restart the host from the Host Web UI:
1. Connect to the Host Web UI. For more information, see Accessing and

2. From the main menu, select Actions > Restart Host.

3. When the application prompts you to confirm the action, click Yes.

To turn off the host from the Host Web UI:
1. Connect to the Host Web UI. For more information, see Accessing and

2. From the main menu, select Actions > Turn Off Host.

3. When the application prompts you to confirm the action, click Yes.

Note: Once the unit has been shut down, you will have to turn it on manually (by

pressing the button on the front panel) to be able to use it.

Connecting a Monitoring Device to the Dry

Contact Relays

Your unit is equipped with dry contact relays that enable you to connect
your own monitoring device if you wish to do so.

There are three dry contact relays (

65 V; 0.46 A) on the back panel of

the unit:



Power relay: Activated when all components related to the host are
powered on (the power LED is green and does not blink).



System relay: Activated when the software and hardware (power, fan
speed, temperature) are working normally.



User-defined relay: Used for NQMS Optical Route monitoring and is
activated when a fault is detected on an optical route.