GLOBALfiber Q40G-ER4 is a 40G ER4 QSFP+ transceiver for single-mode links up to 40 km. Its four CWDM lanes, duplex LC interface and APD receiver suit metro connections and long campus or backbone links.
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-ER4 |
| Form factor |
QSFP+ |
| Capacity |
40 Gb/s |
| Applications |
40GBASE-ER4; InfiniBand, subject to host support and coding |
| Power dissipation |
3.5 W maximum |
| Reach and fiber |
Up to 40 km on single-mode fiber |
| Nominal wavelength |
1271 / 1291 / 1311 / 1331 nm (CWDM) |
| Optical connectors |
Duplex LC |
| Diagnostics |
Digital diagnostic monitoring (DDM) |
Installation requirements
Use compatible QSFP+ hosts and matching ER4 optics. Check both link loss and receiver input limits; short links may require optical attenuation.