TP-LINK´s TL-SM321A adopts the latest standard 1000Base-BX, transmission over a single strand of fiber, with one different wavelength going in each direction. You can extend the network distance up to 10Km (6.2 miles) paired with TP-LINK TL-SM321A, MC112CS, or compatible third-party WDM module.
Specifications
| SFP transceiver type | Fiber optic |
| Maximum data transfer rate | 1250 Mbit/s |
| Interface type | SFP |
| Single-mode fiber (SMF) supported | Y |
| Multi-mode fiber (MMF) supported | N |
| Fiber optic connector | LC (UPC) |
| Fiber cable diameters supported (core/cladding) | 9/125 µm |
| SFP transceiver standard | BX |
| Maximum transfer distance | 10000 m |
| Networking standards | IEEE 802.3z |
| Fiber ethernet cabling technology | 1000BASE‑BX |
| Wavelength-division multiplexing (WDM) | Y |
| Operating temperature (T-T) | 0 - 70 °C |
| Storage temperature (T-T) | -40 - 80 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 5 - 90% |
| Sustainability certificates | RoHS |
Seamless Global Delivery from Denmark 
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