Telecommunications IoT Device

How FibraMax Deployed 500 Smart Diagnostic Devices Achieving 85% First-Time-Fix Rate at 70% Lower Cost

A fiber optic network operator revolutionized field diagnostics by developing a custom IoT device that performs sophisticated network analysis at installation sites, eliminating the need for expensive commercial equipment while dramatically improving technician efficiency and customer satisfaction.

Client: FibraMax
60%
Faster Diagnostic Time
500
Devices Deployed in Field
85%
First-Time-Fix Rate
70%
Lower Cost vs Commercial

The Challenge

FibraMax was experiencing rapid growth in their fiber-to-the-home deployment, but field troubleshooting was becoming a significant bottleneck and cost center. When customers reported connection issues, technicians often needed multiple site visits because they lacked comprehensive diagnostic capabilities in the field. Commercial fiber optic testing equipment was prohibitively expensive at $8,000-$15,000 per unit, limiting deployment to specialized teams rather than every field technician. This meant first-line technicians could only perform basic visual inspections, escalating most technical issues to specialized teams with proper equipment, adding 2-3 days to resolution times and frustrating customers. The company needed a solution that would democratize sophisticated network diagnostics, putting advanced testing capabilities in the hands of every technician at an economically viable price point. The technical requirements were demanding: perform accurate optical power measurements, identify signal quality issues, detect fiber breaks or bends, test multiple wavelengths, maintain a database of installation parameters for each customer location, operate in harsh field environments with temperature extremes and physical shocks, work reliably in areas without cellular or WiFi connectivity, and provide remote access for network operations centers to assist field technicians in real-time. The device also needed to integrate seamlessly with FibraMax's existing backend systems for work order management, inventory tracking, and customer databases, all while being simple enough for technicians with varying technical skill levels to operate effectively.

Our Solution

XCodeIT designed and developed a custom fiber optic diagnostic device combining Raspberry Pi computing platform with specialized optical sensors and robust industrial hardware. The solution integrates hardware engineering, embedded software development, cloud connectivity, and backend system integration to deliver enterprise-grade functionality at consumer hardware prices.

Raspberry Pi 4-based computing platform running optimized Python diagnostic software with custom Qt graphical interface providing intuitive touchscreen operation for technicians with varying skill levels
Specialized optical power meter sensors and photodetectors calibrated for telecommunications wavelengths (1310nm and 1550nm) delivering measurement accuracy within ±0.5dB of commercial equipment at 1/10th the cost
MQTT protocol-based IoT architecture enabling real-time bidirectional communication between field devices and central management platform for remote diagnostics, firmware updates, and technical support escalation
PostgreSQL embedded database storing installation parameters, historical test results, and customer-specific configuration data with automatic synchronization to cloud backend when connectivity available
4G/LTE cellular modem with fallback to WiFi hotspot providing reliable connectivity in diverse field environments, with intelligent offline mode caching data for later synchronization
Ruggedized industrial enclosure with IP65 rating, shock-resistant design, and temperature tolerance from -10°C to 50°C, paired with 10-hour battery life supporting full-day field operations

Technologies Used

Python Raspberry Pi 4 Qt Framework MQTT PostgreSQL 4G/LTE Industrial Sensors

The Results

60%
Faster Diagnostic Time
Average troubleshooting time reduced from 90 minutes to 35 minutes per installation site
500
Devices Deployed in Field
Every field technician equipped with comprehensive diagnostic capabilities, eliminating specialist escalations
85%
First-Time-Fix Rate
Issues resolved on initial visit increased from 52% to 85%, dramatically improving customer satisfaction
70%
Lower Cost vs Commercial
Device cost of $2,400 versus $8,000-$15,000 for commercial equivalent, with expandable capabilities
"XCodeIT's custom diagnostic device has been transformational for our field operations. We were skeptical that a Raspberry Pi-based solution could match commercial equipment, but the accuracy has been validated repeatedly against our reference instruments. The real breakthrough is democratizing these capabilities, every technician now has tools that previously only our specialist teams possessed. The first-time-fix improvement has been remarkable, customers are getting faster resolutions and our operational costs have dropped significantly. The remote support capability is genius, our NOC team can see exactly what the technician is seeing and guide troubleshooting in real-time."
M
Marcos Oliveira
VP of Network Operations , FibraMax

Project Details

Industry
Telecommunications
Services
IoT Hardware Development, Embedded Systems, Custom Software Development, Cloud Integration
Duration
5 months

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