Networking Guides

FTTH Equipment Guide for Lebanese ISPs — 2026

Published by HI-GAIN Engineering Team on April 10, 2026

Fiber-to-the-Home in Lebanon: The ISP Opportunity

Lebanon's telecommunications landscape is shifting toward fiber. With ADSL infrastructure aging and demand for higher bandwidth growing, ISPs across Beirut, Tripoli, Jounieh, and other cities are deploying FTTH networks to deliver 100 Mbps to 1 Gbps services directly to residential and business subscribers. This guide covers the equipment needed to build an FTTH network in Lebanon, from the central office OLT to the subscriber's ONU.

FTTH Network Architecture Overview

A typical GPON FTTH network consists of these components:

  • OLT (Optical Line Terminal): Located at the ISP's central office or POP (Point of Presence). Aggregates all subscriber fiber connections and uplinks to the core network.
  • ODN (Optical Distribution Network): The passive fiber infrastructure — trunk cables, splitters, distribution frames, and drop cables connecting the OLT to each subscriber.
  • Splitters: Passive optical splitters that divide one fiber strand into multiple paths (typically 1:8, 1:16, or 1:32). Allow a single OLT port to serve 32-128 subscribers.
  • ONU/ONT (Optical Network Unit/Terminal): The subscriber-side device that converts optical signals back to Ethernet for the customer's router.

GPON (Gigabit Passive Optical Network) is the dominant standard, supporting 2.488 Gbps downstream and 1.244 Gbps upstream per OLT port, shared across all connected ONUs via time-division multiplexing.

OLT Selection for Lebanese ISPs

The OLT is the most critical and expensive component. Key selection criteria for Lebanese deployments:

Port Density

Each GPON OLT port serves one PON tree via splitters. A 16-port OLT with 1:32 splitters can theoretically serve 512 subscribers. Plan for 60-70% utilization to maintain service quality, giving roughly 350 active subscribers per 16-port OLT.

Uplink Capacity

The OLT needs sufficient uplink bandwidth to the core network. A 16-port GPON OLT with all ports at maximum utilization requires approximately 40 Gbps of aggregate uplink capacity. Choose OLTs with 10G SFP+ or 25G SFP28 uplink ports.

Management and Provisioning

ISPs need an OLT that supports TR-069 for remote ONU management, SNMP for monitoring, and CLI/web management for configuration. Auto-discovery of new ONUs simplifies subscriber activation.

Connecting to Your Core Router

The OLT uplinks connect to your core router. For Lebanese ISPs running MikroTik, the CCR2004-1G-12S+2XS with its twelve 10G SFP+ ports and two 25G SFP28 ports is an excellent OLT aggregation router. Larger deployments may require the CCR2116-12G-4S+ or the CCR2216-1G-12XS-2XQ for 100G aggregation.

ONU Selection

The ONU is what sits at the subscriber's location. For Lebanon, key requirements include:

  • GPON compliance: ITU-T G.984 standard compatibility with your OLT vendor
  • Gigabit Ethernet output: At least one GE port for the subscriber's router
  • Compact form factor: Wall-mountable units for residential installations
  • Low power consumption: Important for Lebanon where subscribers may run on limited UPS/battery backup during power outages

The Syrotech GPON ONU is a cost-effective option stocked by HI-GAIN, providing a single Gigabit Ethernet port and GPON SC/APC connector in a compact wall-mount enclosure. For subscribers who want WiFi built into the ONU, models with integrated dual-band radios are available.

SFP Modules for FTTH Networks

SFP modules are the transceivers that convert electrical signals to optical signals. Choosing compatible SFPs is critical — incompatible modules cause link failures, packet loss, and intermittent connectivity. HI-GAIN stocks a range of SFP modules tested for compatibility with MikroTik and other platforms:

For Short-Range Connections (within the same building or rack)

  • MikroTik S-85DLC05D: 1G SFP, 850nm multimode, 550m range. Uses LC duplex connector. Ideal for connecting switches within the same server room or between adjacent racks.
  • MikroTik S-RJ01: SFP to RJ45 copper transceiver. Converts an SFP slot to a standard Gigabit Ethernet port. Useful when you need one extra copper port from an SFP slot on your switch.

For Medium-Range Connections (between buildings, up to 20km)

  • MikroTik S-31DLC20D: 1G SFP, 1310nm single-mode, 20km range. The workhorse SFP for inter-building fiber links and FTTH OLT uplinks. LC duplex connector with DDM (Digital Diagnostic Monitoring) for real-time signal level checking.
  • Generic 1G 20km SFP with DDM: A cost-effective alternative to MikroTik-branded SFPs, tested for compatibility with MikroTik CRS and CCR switches.

For Long-Range and High-Speed Links

  • 10G SFP+ 20km: For 10 Gigabit links between POPs or from OLT to core router over longer distances.
  • 10G SFP+ 300m Multimode: For short-range 10G connections within the data center, connecting OLT to aggregation switch.

Fiber Infrastructure Components

Patch Cords

Fiber patch cords connect equipment within the central office and at subscriber locations. HI-GAIN stocks single-mode patch cords in various lengths and connector types:

  • LC-LC Single Mode 3m — for switch-to-switch connections in the rack
  • SC-LC Single Mode 3m — for OLT (SC) to switch (LC) connections
  • Longer lengths (10m, 30m, 50m) available for runs between racks or within buildings

Splitters

Passive optical splitters are installed in distribution cabinets, typically mounted on poles or in building basements. Common split ratios:

  • 1:8 — for low-density residential areas or premium service tiers where each subscriber gets more bandwidth
  • 1:16 — balanced option for most Lebanese residential FTTH deployments
  • 1:32 — maximum density, suitable for dense apartment buildings in Beirut

Distribution Frames and Cabinets

Organize fiber terminations at the central office and distribution points. Use SC/APC (angled physical contact) connectors for GPON connections and LC/UPC for Ethernet SFP connections. Proper cable management prevents signal loss from excessive bending.

Bandwidth Planning for Lebanese FTTH

When designing your FTTH network, plan subscriber tiers based on GPON's shared bandwidth model:

  • A single GPON port delivers 2.488 Gbps downstream shared across all connected ONUs
  • With a 1:32 split and 70% subscription rate (~22 active subscribers), each subscriber averages 113 Mbps downstream
  • Offer tiered plans: 50 Mbps, 100 Mbps, 250 Mbps, and 1 Gbps (burst). Use traffic management on your core router to enforce speed limits per subscriber
  • MikroTik's queue trees on the RB5009 or CCR series handle per-subscriber rate limiting efficiently

FTTH Deployment Challenges in Lebanon

Right of Way and Pole Access

Deploying aerial fiber on existing utility poles requires coordination with Ogero and local municipalities. Underground duct access is limited in most Lebanese cities. Many ISPs use aerial fiber with messenger cable along main roads and switch to facade-mounted cable for the final drop to buildings.

Power for Active Equipment

The GPON ODN is passive — splitters require no power. However, the OLT at the central office and the ONU at each subscriber location need power. Size your UPS to keep the OLT running for at least 4-6 hours during power outages. Subscriber-side ONUs draw only 5-10W, making small battery backup units practical.

Fiber Splicing and Testing

Invest in a fusion splicer and OTDR (Optical Time Domain Reflectometer) for professional fiber installations. Each splice point introduces 0.02-0.1 dB of loss. GPON has a maximum optical budget of 28 dB — every decibel counts when running 20km fiber links with multiple splitters.

Where to Buy FTTH Equipment in Lebanon

HI-GAIN stocks SFP modules, ONUs, fiber patch cords, and networking equipment for FTTH deployments at our Dora, Beirut warehouse. We provide:

  • SFP compatibility testing with your existing switches and routers
  • Bulk pricing for ISP-scale ONU and SFP orders
  • Technical consultation on FTTH network design
  • MikroTik core routers pre-configured for ISP use

Check SFP module availability or browse our MikroTik equipment catalog. Call +961 3 337 666 for bulk pricing.

Frequently Asked Questions

What equipment do I need to start an FTTH ISP in Lebanon?
You need an OLT (Optical Line Terminal) at your POP, passive splitters in distribution cabinets, ONUs at subscriber locations, fiber patch cords, SFP modules for switch/router connections, a core router like the MikroTik CCR2004 or CCR2116, and fiber cable infrastructure. Contact HI-GAIN for a complete equipment list tailored to your subscriber count.
How many subscribers can one GPON OLT port serve?
A single GPON port supports up to 128 ONUs with 1:128 splitting, but practical deployments use 1:32 splitting for adequate bandwidth per subscriber. At 1:32 split with 70% uptake, one OLT port serves approximately 22 active subscribers sharing 2.488 Gbps downstream.
Which SFP modules are compatible with MikroTik switches for FTTH?
MikroTik switches accept MikroTik-branded SFPs like the S-31DLC20D (1G, 20km) and S-85DLC05D (1G, 550m multimode). They also work with compatible third-party SFPs. HI-GAIN tests all SFPs for MikroTik compatibility before selling. Check our availability page for current stock.
What is the maximum distance for GPON fiber in Lebanon?
GPON supports up to 20km from OLT to ONU with a 28 dB optical budget. In practice, splice losses, splitter losses (each 1:32 splitter introduces ~17 dB), and connector losses reduce the usable distance. Most Lebanese FTTH deployments cover 5-15km from the OLT.
Where can I buy fiber optic equipment in Lebanon?
HI-GAIN stocks SFP modules, ONUs, fiber patch cords, media converters, and MikroTik routing equipment for FTTH deployments. Visit our warehouse in Dora, Beirut or call +961 3 337 666. We offer bulk pricing for ISPs and technical support for network design.