Led Testing; Modules - ZinWave UNITIVITY 5000 User Manual

UNItivity 5000
User Manual
In the example above a single reflection of -39.3dB is present. In this case the -39.3dB reflection is at
the PC/PC interface at the end of the link and in a link with multiple connections there will be an event
for each connection.
It should be noted that the OTDR is not able to distinguish between 2 reflections very close to each
other over long lengths of cable and in the case of two reflections close together, only the worst
reflection will be shown. However, this will allow installers to identify where in the overall fiber link the
problem occurs. Available in Left- navigation bar

14.2 LED Testing

14.2.1

Modules

In order to test the proper operation of the module LEDs, follow the steps below:-
1. Insert an Optical Module into the front of a Primary Hub.
2. Insert a Service Module into the rear of a Primary Hub.
3. Connect the Optical Module to a Remote Unit.
The system should be set up with auto-Setup running and all alarms enabled as faults. The following
test sequence should be followed:
4. Switch off the Hub at the mains switch - all module LEDs will be off.
5. Switch on the Hub at the mains switch.
The Optical Module LEDs will follow the sequence shown below:
Left Middle
Off
Off
Green
Flash
Green
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Right
Off Dull Red
Off Green
Green Green
Green Green
Performing Diagnostics and Testing
Status
Initial start-up. Basic Power present
to allow Module detection
Module detected and full power
connected to module
Calibration complete, but final output
stage not enabled
Fully operational
14-2