VeEX FX80 User Manual

Also see for FX80: User manual

VeEX FX80 User Manual Manual pdf 8 page image

Button combinations:• |Shift/Enter|+|Up|: Save measurement results;• |Shift/Enter|+|Down|: Enter Instrument Settings mode;• |Shift/Enter|+|Mode|: Turn backlight ON/OFF.|F1|, |F2|, |F3|: Context-defined, the function indicated at the screen bottom.2.2. FX80 Test Ports2.2.1. Optical PortsFigure 2. FX80 optical ports• OLT: Connect the FX80 to the fiber coming from the OLT to measure the downstreamoptical power levels in the PON network for 1490 nm (always present on active network)and 1550 nm (optional);• ONT: Connect the FX80 to the fiber coming from the ONU/ONT to measure the upstreamoptical power level in the PON network for 1310 nm transmission;• OPM: Use for measuring optical power level with the help of the optional broadbandoptical power meter;• VFL: Use for 650 nm visual fault locator to visually locate breaks or excessive bends infibers which increase insertion loss. The FX80 can be configured with either optional OPM or VFL, not both.2.2.2. Service PortThe service port (micro-USB) located on the left side of the device is used for charging andcommunication with a PC using LTSync software.FX80 PON User Manual D07-00-115P RevA01Page 8 of 36