The Corelink 4-Port 1G Dual Power EPON OLT is a high-performance optical line terminal designed for next-generation FTTH (Fiber to the Home) and FTTB (Fiber to the Building) networks. It supports up to 256 ONUs through a 1:64 splitting ratio, making it ideal for scalable broadband deployments across ISPs, enterprises, and telecom infrastructure.

Key Features

• 4 EPON Ports (SC/UPC) supporting up to 256 ONUs

• 1Gbps symmetric bandwidth per port

• Dual redundant power supply (AC 100–240V / DC -48V)

• 4 uplink ports (2 Gigabit RJ45 + 2 Gigabit SFP)

• Advanced QoS and VLAN (IEEE 802.1Q, 802.1P) support

• Supports IGMP Snooping, IGMP Proxy for IPTV multicast

• Easy management via CLI, Web GUI, SNMP, and EMS

• Fully compliant with IEEE 802.3ah EPON standards

• MTBF: 100,000 hours (long-term stable operation)

• Energy-efficient design with only 20W power consumption

Technical Specifications

PON Configuration

• Ports: 4 × EPON (SFP 1000M)

• ONU Support: Up to 256 ONUs (1:64 split ratio)

• Optical Output Power: +2.5 to +7 dBm

• Receiving Sensitivity: -27 dBm

• Wavelength: 1310 nm (RX), 1490 nm (TX)

• Max Transmission Distance: 20 km

• MAC Table: 8K entries

Uplink Interfaces

• 2 × Gigabit RJ45 ports

• 2 × Gigabit SFP ports

Management Interfaces

• 1 × MGMT (RJ45)

• 1 × Console (RJ45)

EPON Features

• Fully supports IEEE 802.3ah

• Dynamic Bandwidth Allocation (DBA), 1Kbps granularity

• AES-128 encryption per logical link

• ONU automatic discovery and registration

• Remote ONU management and firmware upgrades

• IGMP v1/v2 support, IGMP Snooping and Proxy

• Real-time alarms and fault localization

Network Protocol Support

• IEEE 802.3, 802.3u, 802.3ab

• VLAN: IEEE 802.1Q

• QoS: IEEE 802.1P

Performance and Environment

• Power Input: AC 100–240V or DC -48V

• Power Consumption: ≤ 20W

• Operating Temperature: -10°C to +55°C

• Storage Temperature: -40°C to +80°C

• Humidity: 5% to 90%, non-condensing

• Dimensions: 44mm (H) × 276mm (W) × 200mm (D)

• Mounting: 1U rack-mountable

Application Scenarios

FTTH/FTTB deployments for ISPs and telecom service providers
Enterprise and campus fiber backbone networks
Municipal and industrial fiber infrastructure
Supports internet, IPTV, and VoIP delivery