VeEX | FX120T GPON and XG(S)-PON Analyzer (Downstream/Terminated only), 1490/1577nm | #Z06-05-109P
VeEX | PART #Z06-05-109P
FX120T GPON and XG(S)-PON Analyzer (Downstream/Terminated only), 1490/1577nm

DESCRIPTION
The FX120T is an advanced Termintaed PON analyzer with a PONT OPM port, an Ethernet interface and an SFP+ cage to support Layer 4+ testing. Verify your construction build with downstream level measurements and PON ID. Certify QoE using Speed Test and V-PERF to ensure internet connectivity and speed up to 10 Gbps. Optional Fault Locator feature allows technicians to verify drop cables. Optimize testing and report compilation with NoApp® and FlowTM.
HIGHLIGHTS
- Compatible with GPON, XG(S)-PON, EPON, 10G EPON networks
- Terminated selective wavelength PON meter for OLT
verification - Pass/Fail ITU-T/IEEE thresholds enable fast, efficient, and
consistent turn-up of services - Layer 4+ test option including V-TEST, V-PERF, and V-FTP up to
10GE; SFP+ cage for additional test options - Fault Locator – End of Fiber detection (option)
- Simple and intuitive user interface
- FlowTM for efficient testing and report compilation process
- NoApp® QR code capability for faster result transfer
- Easy report generation and data transfer using R-Server for
workflow and results management - Test set connectivity via micro-B USB and optional built-in WiFi
and Bluetooth® wireless interfaces; USB-A and LAN interfaces
available via OTG cables - Remote access/control via web browser and VNC® client.
Compatible with VeEX EZ Remote collaboration services. - Field upgradeable using USB stick
- Fiber tool accessory options: OPX-BOXe OTDR, DI1000/1000MPO/3000 Fiber Scope and FX40/45/80 series OPM
- Fast boot and ready to test in <60 seconds
- Field replaceable Li-Ion battery pack with >12 hour autonomy
- 5-inch LCD color touch screen
- Rugged and compact form factor
KEY FEATURES
- Ethernet
- IPv4/IPv6 and PPPoE, DHCP and static IP
- Ping, trace route, IP PCAP, Traffic PCAP, Loopback
- Complete Layer 4+ test suite: V-TEST (Ookla® Speedtest®),
V-PERF (RFC6349), and V-FTP upload and download tests
- Basic Mode
- Wavelengths: 1490/1577 nm
- Downstream LED status indicators for signal and frame status
- Low insertion loss: ≤1.5 dB typ
- GPON/XG(S)-PON
- Automatic PON-ID detection including OLT-ID, ODN class, OLT
TX power level and ODN link pass/fail - GPON ONT Emulation
- Automatic PON-ID detection including OLT-ID, ODN class, OLT
- EPON/10G EPON (Option)
- Automatic OLT Mac detection
- Advanced Function Mode
- Track/manage active ONT IDs and serial numbers
- PLOAM Capture/Decode
- OC decode
*GPON/XG(S)-PON per ITU-T standards, EPON per IEEE standards
DOCUMENTS
Getting Started Guide: FX120/FX120 Lite Getting Started Guide
Common Questions About the VeEX FX120T
What is the VeEX FX120T used for?
The VeEX FX120T is a terminated PON analyzer used to verify and certify GPON and XG(S)-PON downstream signals, measure optical power levels, and confirm service quality during fiber network construction and turn up.
Who uses the FX120T PON analyzer?
The FX120T is commonly used by fiber construction crews, service providers, and network technicians who need to validate downstream PON performance and quality of experience without connecting to live customer equipment.
What does “terminated only” mean for the FX120T?
Terminated only means the FX120T is designed to test downstream PON signals at the end of the fiber, such as at a drop or termination point, without transmitting upstream signals toward the OLT.
How the FX120T Supports PON Network Verification
The VeEX FX120T GPON and XG(S)-PON Analyzer is designed for efficient downstream verification of modern PON networks. By combining selective wavelength power measurements, PON ID detection, and Layer 4+ testing, it helps technicians confirm signal levels, validate connectivity, and certify service quality during network deployment.
At a Glance
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Terminated downstream PON analyzer for GPON and XG(S)-PON
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Verifies optical levels, PON ID, and service performance
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Supports Layer 4+ testing up to 10 Gbps
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Designed for fiber construction and service turn up
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Built for field use with fast startup and long battery life