VeEX | (GOOGLE APPROVED) FX81T-25G Downstream PON Terminated Power Meter, 1G/10G/25G | #Z06-99-280P

VeEX | PART #Z06-99-280P

(GOOGLE APPROVED) FX81T-25G Downstream PON Terminated Power Meter, 1G/10G/25G

DESCRIPTION

Optical power meter for installation, service activation and troubleshooting of B/GPON, XG(S)-PON, 25G PON, EPON and 10G-EPON fiber networks. Pass-through design to measure multiple downstream and upstream signals simultaneously for ONU/ONT verification or non-pass through/terminated OLT verification

• Compatible with both GPON and EPON fiber networks
• GPON, XG(S)-PON, and 25G PON test applications
• EPON and 10G-EPON test applications
• 4 models available:
• 2 λ non-pass-through/terminated DS: 1490/1577nm (FX81T)
• 3 λ non-pass-through/terminated DS: 1358/1490/1577nm
• 4 λ pass-through DS: 1490/1577nm, US: 1310/1270nm
• 5 λ pass-through DS: 1490/1550/1577nm, US: 1310/1270nm
• Concurrent measurements display
• Fixed SC/APC Interface for ONU and OLT test ports
• Programmable thresholds with Pass/Fail indication
• Optional broadband power meter with universal adapters
• WaveID support when paired with compatible VeEX source
• Non-volatile storage for 1920 OPM
• Flexible data transfer, test result management and report generation options using:
• Patent-pending NoAppTM QR code transfer
• LT-Sync PC software (microUSB or optional Bluetooth)
• FiberizerTM for Android, Windows, and cloud
• High contrast LCD - visible outdoors, programmable backlight for indoor or low light conditions
• Battery: Built-in, rechargeable Li-polymer
• Battery operating time (with backlight):
• FTTx PON mode: >25 hours

FX81T PON OPTICAL POWER METER DATASHEET

SPECIFICATIONS

• Wavelength-selective level measurements:
• GPON per ITU-T G.984.2
• XG(S)-PON per ITU-T G.9807.1
• 25G-PON per 25GS-PON MSA Group Specification
• EPON & 10G-EPON per IEEE 802.3av
• RF video (RVO)
• Calibrated wavelengths

• GPON and EPON: 1310/1490 nm
• XG(S)-PON and 10G-EPON and 1270/1577 nm
• 25G PON: 1358 nm
• RF video (RVO): 1542 to 1560 nm
• xPON Power Measurement range:

• Burst mode at 1270 and 1310 nm: -35 to +10 dBm
• CW mode at 1358, 1490 and 1577 nm: -45 to +12 dBm
• RF video (RVO) at 1550 nm: -40 to +25 dBm
• Pass-through Insertion Loss: ≤1.5 dB
• Optical Return Loss @ 1550 nm: ≥55 dB
• Display resolution: 0.1 dB
• Optional Broadband Optical Power Meter (BB-OPM)
• Calibrated wavelengths (nm): 850/1300/1310/1490/1550/1625/1650
• CW measurement range (dBm): -50 to +25

Common Questions About the VeEX FX81T 25G Downstream PON Power Meter

What is the VeEX FX81T 25G used for?
The VeEX FX81T 25G is a downstream PON terminated optical power meter used to verify signal levels, validate service activation, and troubleshoot GPON, XG(S)-PON, 25G PON, EPON, and 10G EPON fiber networks.

What does “terminated” mean for the FX81T?
Terminated means the FX81T measures downstream signals without passing traffic through to an ONT or ONU, making it ideal for OLT verification, network turn up, and maintenance testing.

Who uses the FX81T PON power meter?
The FX81T is commonly used by fiber technicians, construction crews, and service providers who need fast, accurate downstream power measurements across multiple PON technologies, including 25G PON.

How the FX81T Supports Modern PON Network Testing

The VeEX FX81T 25G Downstream PON Power Meter is designed to support today’s multi generation PON networks while remaining ready for future upgrades. With concurrent wavelength measurements, pass fail thresholds, and support for GPON through 25G PON, it helps technicians quickly confirm signal integrity, verify network readiness, and document results during installation and service activation.

At a Glance

• Downstream terminated PON optical power meter

• Supports GPON, XG(S)-PON, 25G PON, EPON, and 10G EPON

• Designed for installation, service activation, and troubleshooting

• Displays concurrent wavelength measurements with pass fail indication

• Built for long field use with extended battery life