GPon OLT 4 PON Ports
4*PON port, 4*10GE/GE SFP +4*GE RJ45 uplink port, Dual power with optional
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Technical Standards
- GPON OLT: Based on ITU-T G.984 standards.
- EPON OLT: Based on IEEE 802.3ah standards.
OLT EPon GPon Bandwidth
- GPON OLT: Typically provides 2.5 Gbps downstream and 1.25 Gbps upstream.
- EPON OLT: Typically provides symmetric 1 Gbps bandwidth for both downstream and upstream.
Frame Structure
- GPON OLT: Uses GPON encapsulation method with Time Division Multiplexing (TDM) for downstream and Time Division Multiple Access (TDMA) for upstream.
- EPON OLT: Uses standard Ethernet frames for data transmission, following the Ethernet protocol.
Efficiency and Overhead
- GPON OLT: More efficient in terms of overhead due to the use of GPON encapsulation, which results in lower protocol overhead and better bandwidth utilization.
- EPON OLT: Has higher overhead because it uses standard Ethernet frames, which include more protocol overhead.
Latency
- GPON OLT: Generally offers lower latency due to its TDM-based approach, which provides dedicated time slots for each user.
- EPON OLT: Can have higher latency compared to GPON due to its shared Ethernet frame structure and the need for Ethernet protocol processing.
Quality of Service (QoS)
- GPON OLT: Provides advanced QoS features, allowing for better management of different types of services such as voice, video, and data.
- EPON OLT: Provides QoS features, but they are typically less advanced compared to GPON, focusing primarily on Ethernet QoS capabilities.
Deployment and Compatibility
- GPON OLT: Often used in scenarios where higher bandwidth and advanced QoS are required, such as residential broadband, business services, and IPTV.
- EPON OLT: More commonly used in scenarios where cost efficiency and compatibility with existing Ethernet infrastructure are important, such as enterprise networks and municipal networks.
olt EPon GPon Cost
- GPON OLT: Typically more expensive due to the advanced technology, higher bandwidth capabilities, and enhanced QoS features.
- EPON OLT: Generally less expensive, benefiting from the widespread adoption and cost efficiencies of Ethernet technology.
Vendor Ecosystem
- GPON OLT: Supported by a wide range of vendors with a focus on high-performance and feature-rich solutions.
- EPON OLT: Also supported by many vendors, often targeting cost-sensitive applications and markets.
In summary, GPON OLTs are designed for high-performance, high-bandwidth applications with advanced QoS needs, making them suitable for service providers and high-demand environments. EPON OLTs, on the other hand, are cost-effective solutions that leverage Ethernet technology, making them ideal for environments where cost and compatibility with existing Ethernet infrastructure are key considerations.
