GLOBALfiber Q40G-LR4-20 is a 40G QSFP+ transceiver for single-mode fiber links up to 20 km. Four CWDM optical lanes share a duplex LC interface, supporting longer campus and metro interconnects between switches and routers.
Available coding and compatibility
Available coding options: Alcatel, Arista, Ciena, Cisco, Dell, Extreme, Fortinet, Generic, H3C, HP, Huawei, IBM, Infinera, Intel, Juniper, NVIDIA-Mellanox(ETH).
Provide the equipment model, port configuration and software version so we can check support. Coding availability does not confirm compatibility with every equipment model. For other coding requirements, contact salg@globalfiber.no. Ethernet coding does not by itself confirm InfiniBand support.
Key specifications
| Specification |
Details |
| Product number |
Q40G-LR4-20 |
| Form factor |
QSFP+ |
| Capacity |
40 Gb/s |
| Applications |
40GbE; InfiniBand, subject to host support and coding |
| Power dissipation |
3 W maximum |
| Reach and fiber |
Up to 20 km on single-mode fiber |
| Nominal wavelength |
1271 / 1291 / 1311 / 1331 nm (CWDM) |
| Optical connectors |
Duplex LC |
| Diagnostics |
Digital diagnostic monitoring (DDM) |
Installation requirements
Confirm host support and far-end optical compatibility for the 20 km link. The available optical budget must cover the fiber, connectors and splices.