16-port GPON + 16-port EDFA + 1550nm Transmitter: An Integrated FTTH + CATV Solution for Latin American ISPs
Click: time:2025-11-28
As FTTH coverage continues to grow rapidly across Latin America, many ISPs are looking for a cost-efficient way to deliver both high-speed fiber broadband and digital TV services. This case study showcases a compact PON + CATV system provided byAntek Opticfor an ISP project—ideal for community networks, small central offices, and edge deployments.
1. Project Background
The client required:
FTTH broadband access
Around80 digital TV channels
A single headend covering multiple communities
Easy-to-maintain and cost-effective equipment
We designed a combined solution using:
16-port GPON OLT
1550nm optical transmitter
16-port EDFA
XPON ONU for end users
2. System Components
2.1. 16-port GPON OLT
Supports up to 2,048 users
VLAN/QoS supported
Compatible with mainstream ONU brands
Ideal for small to medium FTTH rollouts
2.2. 1550nm Optical Transmitter (80 channels)
High-linearity DFB laser
Supports PAL/NTSC/SECAM and digital channels
Suitable for CATV RF → Optical conversion
Acts as the front-end of the entire CATV chain
2.3. 16-port EDFA
17–20 dBm output per port (adjustable)
Perfect for multi-community, multi-branch distribution
Low-noise design ensures stable TV signal quality
2.4. XPON ONU (for home users)
Supports both GPON & EPON
Optional WiFi5 / WiFi6
CATV + Data ports available
Designed for home installations
This combination is plug-and-play and highly scalable.
3. Simplified Network Topology
The system supports both TV and internet over the same fiber.
4. Why the Client Chose This Solution
4.1. Significant reduction in cabling and headend cost
FTTH and CATV share the same fiber route—no need for duplicate infrastructure.
4.2. Easy expansion to additional communities
The 16-port EDFA is ideal for “small but distributed” network layouts.
4.3. Unified ONU standard lowers after-sales complexity
XPON ONU provides better compatibility and simplifies inventory management.
