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What are the features and benefits of a 4-Port GPON OLT in FTTH networks? - Printable Version

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What are the features and benefits of a 4-Port GPON OLT in FTTH networks? - ubiqcom - 04-10-2025

A 4-Port GPON OLT (Gigabit Passive Optical Network Optical Line Terminal) is a critical component in FTTH (Fiber to the Home) infrastructure that serves as the service provider’s endpoint in a passive optical network. Here are its key features and benefits:

Key Features:

  1. Four PON Ports:
    Supports four downstream fiber optic connections, each capable of serving up to 128 ONUs (Optical Network Units) using a 1:128 splitter ratio.
  2. High Bandwidth Support:
    Each port supports up to 2.5 Gbps downstream and 1.25 Gbps upstream, ensuring high-speed data transmission.
  3. Multiple Uplink Options:
    Typically includes 1G/10G Ethernet uplink ports for backhaul to the service provider's core network.
  4. Compact Design:
    Often rack-mountable (1U size), making it suitable for space-limited installations.
  5. Management Interfaces:
    Supports SNMP, CLI, and web-based GUI for easy configuration and monitoring.
  6. QoS and Security:
    Built-in Quality of Service (QoS) features and security mechanisms like ACLs and encryption for traffic management and protection.

Benefits:
  • Scalability:
    With support for up to 512 ONUs (128 per port), a 4-port GPON OLT is ideal for small to medium-sized deployments.
  • Cost-Effective:
    Provides a balance between capacity and cost, making it suitable for ISPs or enterprises starting or expanding FTTH services.
  • Energy Efficient:
    Lower power consumption compared to larger OLTs, reducing operational costs.
  • Reliable Service Delivery:
    Supports voice, video, and high-speed internet services simultaneously over a single fiber.

A 4-Port GPON OLT is a versatile and powerful option for delivering high-speed broadband in residential, business, or campus environments.