On screen LED colors indicate the status of upstream (
Up
) and downstream (
Dn
) signals:
Green
: Signal level detected. No errors or alarms are present. No further action required.
Red
: An error or alarm condition is detected and is currently present. Flashing red indicates a history condition—an error or alarm was detected
during the measurement interval but it is no longer present or active. Tap
Advanced
to view PLOAM, and Active ONU.
The
History
button resets the LEDs of past statuses.
If any LED remains red, clean the patch cord connectors that will connect the FX120 to the
ONU/ONT, the FX120 test ports (To ONU, To OLT), and the ONU/ONT ports. Refer to
Inspection
for information on inspecting and cleaning fiber connectors.
6.1 Optical Power Meter (OPM) Test Procedure
The FX120 is designed for use at the customer premises to aid with ONT/ONU activation and troubleshooting
The FX120 is connected at the customer premise
1. Power up the FX120 test set. Testing should start automatically. Starting/stopping/restarting measurements from the OPM menu (see
Advanced Mode
. To
clear the PLOAM list, go to the respective
menu and press the clear button.
2. Tap on
Setup
and configure the test profile settings according to the xPON class and ITU-T Test standards.
GPON OPM Setup menu
FX120_User_Manual_RevA02
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Summary of Contents for FX120
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