🛠️ Precision Coax Splicing Services
Unlike fiber, coax cables transmit data via electrical signals through a copper conductor, requiring specialized techniques to maintain the crucial shielding and impedance of the line.
Coaxial Splicing for System Integrity
- Minimizing Signal Loss: Our certified technicians utilize specialized connectors and splicing methods designed to maintain the required 75-ohm impedance of the coaxial line, preventing signal reflection and ensuring a strong, clean signal.
- Shielding Maintenance: We meticulously manage the outer metallic shield, ensuring continuous coverage to prevent signal ingress (noise entering the system) and egress (signal leaking out), which are critical issues in HFC networks.
- Aerial and Underground: Expertise in joining all major trunk and distribution coax cable sizes (e.g., .500, .750, 1.000) in both aerial strand-mounted and underground pedestal enclosures.
- Emergency Repair: Rapid response for coaxial sheath damage, breaks, or system failures, performing reliable splices to quickly restore broadband and video services.
⚡ Network Activation, Sweep, and Balance
The true performance of an HFC network is verified and calibrated during the activation phase. We use advanced metering to optimize every amplifier and ensure the system is ready for commercial service.
1. System Sweep and Balance
This is the most critical step in coax activation, where we ensure all frequencies are correctly transmitted across the entire network segment.
- Forward Sweep: Measuring the downstream signal levels to verify power and flatness across the entire frequency band, crucial for reliable high-speed data transmission.
- Reverse Sweep: Measuring the upstream signal path from the customer back to the headend, essential for two-way communication services like VoIP and return path data.
- Amplifier Balancing: Precise adjustment of all active electronic components (amplifiers, line extenders, nodes) to ensure optimal signal levels at every drop location.
2. Ingress Mitigation and Hardening
Coaxial networks are vulnerable to external radio frequency (RF) interference. Our activation process includes proactive steps to eliminate noise:
- Ingress Suppression: Locating and sealing sources of noise entry (e.g., faulty shielding, loose connectors) to “harden” the network against interference that causes intermittent service issues.
- System Certification: Final testing and documentation that certifies the coaxial plant is free of excessive ingress and meets all required signal-to-noise ratio (SNR) thresholds for service activation.
3. Service Turn-Up
- Node Activation: Bringing new or upgraded fiber nodes online and integrating them seamlessly with the existing coaxial plant.
- System Electronics Upgrade: Installation and testing of new power supplies and network components to support modern bandwidth demands and network segmentation (Node Splits).
✅ The GMB Advantage in Coax
Choosing GMB for your coaxial services means partnering with a team that understands the distinct challenges of copper-based networks. We ensure reliable connectivity in your legacy systems while perfectly bridging the gap between your fiber backbone and the final coax drop.
Need expert splicing, balancing, and activation to maximize your HFC network’s performance? Contact GMB Telecom Solutions to discuss your maintenance or upgrade project.