GPONDoctor™ CUBE
Move the equipment and not your team
GPONDoctor™ CUBE
An instrument that travels, a technician that does not: the squaring of the CUBE
GPONDoctor™ Cube is a tool for the diagnosis, certification, and interoperability of PON fiber optic networks that performs non-intrusive dual FTTH GPON/XGSPON traffic capture "all in one" that redefines the way of working in the field. The equipment is sent directly to the capture point and is operated remotely by a qualified technician thanks to its integrated 5G access, without the need for expert personnel to travel. Available in laboratory version and in rugged embedded suitcase version.
How does it work?
GPONDoctor™ Cube is shipped via courier to the location where the problem originated. Upon arrival, a non-specialized operator only makes the fiber connections following the received instructions. GPONDoctor™ Cube can perform cuts in the fiber to synchronize upstream. It can also manage the power supplies of the devices. The qualified technician operates the equipment completely remotely through the integrated 5G connectivity, as if they were physically present. The captured data is automatically transferred via 5G to the cloud or can work with the integrated CPU. And all of this without configuring firewalls or corporate routers, nor asking endless favors from the operator's IT manager..

Use cases
Automated tests
Unattended execution of test batteries remotely. Compatible with the OD-247 (BBF) automation suite for GPON and XGSPON without the local presence of a technician.
Remote work
The technician operates the equipment as if he were at the measurement point. He captures, analyzes, and diagnoses from the control center, with minimal latencies thanks to 5G.
Traffic extraction in CO
Traffic capture at the Central Office for real-time analysis of IP services in upstream and downstream without the need to travel to the CO
Remote audits
Conducting network audits in geographically distributed facilities. Compliance assessment of ITU-T G.984.x / G.988 from the operations center.
Interoperability Laboratory
Remote configuration of GPON/XGSPON interoperability environments. Compatible with OLTe to replicate real scenarios in the laboratory.
Remote management of ONTs
Power control for up to 4 connected ONTs to perform reboots and maintenance operations without physical presence at the network point.
Team functionalities
Passive and position-independent PON
Frame-by-frame control data inspection without the need to regenerate or modify traffic. It includes an automatic adaptive synchronization system to compensate for the distance to the OLT.
Capture + Test + Evaluation
Based on the captured data, it is able to infer the network topology and apply a series of rules to verify compliance with the ITU-T G. 984.x recommendation.
Complete capture of XGS/GPON traffic
GPONDoctor™ captures GTC and OMCI messages over fiber in real-time, helping to track negotiation processes and configurations between the OLT and the various ONTs in the network.
Real-time IP traffic extraction
GPON Doctor™ extracts decrypted user traffic in real-time from the Ethernet layer that can be used for upper layer testing using external tools.
Remote testing and automatic calibration
Connected to an IP network, it allows testing of a GPON network from a remote management workstation. It includes automatic calibration of the equipment on the network to perform the tests.
Regeneration and evaluation of QoS services
GPONDoctor™ can regenerate established services over a PON network. For example, multicast video, which can be captured, reassembled in real-time, and viewed on the device.
Compatible with Windows 11
Intuitive, easy-to-use app interface based on Windows 11, allowing it to be run on a laptop alongside other office tools and network planning and analysis tools.
100% reliable results
Capture hardware developed by EXXN exclusively for this product. The results are not influenced by proprietary GPON hardware implementations from any provider.
Embedded microprocessor
GPONDoctor CUBE features an embedded i9 microprocessor that provides maximum power for event capture and analysis.
5G enabled
The equipment offers 5G connectivity in locations where the network is available. It also enables 4G and 3G backup connectivity.
Technical features

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