Overview
Coherent FTLC9555QEPM is a QSFP28 transceiver for 40GBASE-SR4 and 100GBASE-SR4.
Use Cases
- Parallel multimode links supporting a planned move from 40G to 100G Ethernet
- 100GBASE-SR4 or 40GBASE-SR4 applications on a qualified QSFP28 host
Interface & Performance
- Supports 41.3 Gb/s and 103.1 Gb/s aggregate signaling
- Four-lane 850 nm VCSEL optical transmitter; 4x25G electrical interface
- Power dissipation below 2.5 W with the CDRs locked; it can reach 3.5 W if incorrect input frequencies prevent locking
- Single 3.3 V supply
- I2C digital diagnostics under the QSFP28 MSA
- Commercial operating case-temperature range: 0°C to 70°C
Fiber & Reach
- Single MPO12 receptacle; Parallel MMF
- At 100G: up to 70 m on OM3 or 100 m on OM4, with host FEC required for the maximum distance
- At 40G: up to 100 m on OM3 or 150 m on OM4
Compatibility
- Confirm the host's qualification for this module, the selected 40G or 100G port mode, and the required FEC configuration
Ordering Information
- Exact part number FTLC9555QEPM in Coherent's Finisar transceiver range
- 40G/100G dual-rate configuration; select the intended link rate and matching MPO fiber assembly