Finisar FTLC9558REPM 100Gbps QSFP28 Optical Transceiver Module

The Finisar FTLC9558REPM is a 100Gbps QSFP28 optical transceiver designed for short-range 100G Ethernet connectivity over parallel multimode fiber. It supports 100GBASE-SR4 and provides a maximum reach of up to 100 meters over OM4 multimode fiber.

The module operates in the 850nm wavelength band and uses four 25Gbps VCSEL-based optical channels. Its compact, hot-pluggable QSFP28 form factor and MPO-12 interface make it suitable for high-density data center and enterprise networking environments. :contentReference[oaicite:0]{index=0}

Finisar FTLC9558REPM 100GBASE-SR4 Connectivity

The FTLC9558REPM is designed for 100GBASE-SR4 Ethernet applications, providing an aggregate data rate of 103.1Gbps. The parallel optical architecture uses four 25Gbps lanes to deliver high-bandwidth connectivity across compatible multimode fiber infrastructure.

The transceiver complies with the QSFP28 MSA, IEEE 802.3bm 100GBASE-SR4, and CAUI-4 specifications, making it suitable for compatible 100Gbps QSFP28 network ports. :contentReference[oaicite:1]{index=1}

850nm Multimode Fiber Transmission

The module uses a 4 × 25Gbps 850nm VCSEL-based transmitter and is designed for parallel multimode fiber. It supports up to 70 meters on OM3 MMF and up to 100 meters on OM4 MMF. The maximum specified distance requires FEC on the host according to the product documentation. :contentReference[oaicite:2]{index=2}

Short-Reach 100GbE Connectivity

The short-reach design makes the FTLC9558REPM suitable for high-density connections within data centers, equipment rooms, server racks, and other network environments where compatible multimode fiber infrastructure is available.

QSFP28 and MPO-12 Interface

The QSFP28 form factor provides a compact and hot-pluggable interface for compatible 100Gbps networking equipment. The optical interface uses a single MPO-12 receptacle for parallel multimode fiber connectivity. :contentReference[oaicite:3]{index=3}

Digital Diagnostic Monitoring

The FTLC9558REPM supports digital diagnostic functions through its I2C management interface, allowing compatible host equipment to monitor supported transceiver operating parameters. :contentReference[oaicite:4]{index=4}

Technical Specifications

Applications

• 100GBASE-SR4 Ethernet networks
• Data center switch-to-switch links
• Server-to-switch connectivity
• High-density data center networks
• Enterprise network infrastructure
• Short-range multimode fiber connections

Compatibility

The Finisar FTLC9558REPM is designed for compatible networking equipment supporting 100GBASE-SR4 QSFP28 optical transceivers. The module is documented as compliant with the QSFP28 MSA, IEEE 802.3bm 100GBASE-SR4, and CAUI-4 specifications. :contentReference[oaicite:5]{index=5}

Before installation, verify the host device's supported QSFP28 transceiver list, FEC requirements, MPO fiber configuration, and OM3 or OM4 multimode fiber specifications.

Buy Finisar FTLC9558REPM in Bangladesh

Datacom Technologies (BD) supplies Finisar optical transceivers, enterprise networking equipment, fiber connectivity products, and data center hardware in Bangladesh. The Finisar FTLC9558REPM is suitable for compatible 100Gbps networking environments requiring short-range multimode fiber connectivity.

For corporate, data center, ISP, telecom, and project requirements, customers can contact Datacom Technologies (BD) for product selection assistance, technical consultation, and professional networking equipment supply.