40GBASE-ER4 transceiver module, 1310 nm, SMF with OTU3 data-rate support
Cisco QSFP-40G-ER4=. SFP transceiver type: Fiber optic, Maximum data transfer rate: 40000 Mbit/s, Interface type: QSFP. Certification: MSA OTU3. Number of products included: 1 pc(s)
The Cisco 40GBASE-ER4 QSFP Module supports link lengths up to 40km over G.652 single-mode fiber with duplex LC connectors. The 40GE or OTU3 signal is carried over four wavelengths in the 1310nm range. Multiplexing and demultiplexing of the four wavelengths are within the device.
| Storage temperature (T-T) | -40 – 85 °C |
|---|---|
| Product Condition | New Retail |
| Operating relative humidity (H-H) | 10 – 80% |
| Operating temperature (T-T) | 0 – 70 °C |
| Storage relative humidity (H-H) | 10 – 85% |
| Maximum transfer distance | 40000 m |
| Fiber cable diameters supported (core/cladding) | 9/125 µm |
| Wavelength | 1310 nm |
| Auto MDI/MDI-X | Yes |
| Fiber optic connector | LC |
| Networking standards | IEEE 802.3ba |
| Certification | MSA OTU3 |
| Hot-Plug support | Yes |
| Cabling technology | 40GBASE-ER4 |
| Number of products included | 1 pc(s) |
| Single-mode fiber (SMF) supported | Yes |
| Harmonized System (HS) code | 85369010 |
| SFP transceiver standard | ER |
Below you’ll find alternative models, suitable software and services that pair with this solution – helping you to avoid compatibility issues, reduce support overhead and deploy with confidence.
Not all deployments fit standard configurations. If you’re weighing up options or want a second opinion on your setup, our team is here to help with honest, straightforward advice backed by decades of vendor knowledge.
