25G SFP28 LR (Long Reach) optical transceiver — 1310 nm DFB laser, 10 km reach over duplex single-mode fiber (LC duplex), pluggable in any 25G SFP28 cage. This is the dominant 25G aggregation uplink module: every 1G / 10G ToR can move to a 25G uplink with a single module swap.
Specifications: 25.78 Gbps line rate, 1310 nm DFB Tx, PIN-TIA Rx, link budget 6.0 dB, max optical Tx power 4 dBm, min Rx sensitivity -11.2 dBm. DDM / DOM enabled with full I²C digital diagnostics. Max power dissipation 1.4 W. Operating temperature 0 to +70 °C commercial; -40 to +85 °C industrial available. RoHS / CE / FCC certified; Telcordia GR-468 reliability tested.
Programmed for any of: Cisco IOS XE / NX-OS, Arista EOS, Juniper Junos QFX / EX, Mellanox / Nvidia MLNX-OS, Huawei VRP, H3C Comware, Brocade FOS, Extreme EXOS, MikroTik RouterOS, and ~25 other platforms. Use cases include 5G fronthaul CPRI / eCPRI links, 25G ToR-to-aggregation uplinks, 25G server NICs to leaf switches, and 100G QSFP28 ↔ 4× 25G SFP28 breakout endpoints. Sample quantities ship in 3 business days; bulk orders at MOQ ship within 5 business days.