Description
MikroTik S-31DLC20D 1.25G SFP Single Mode 1310nm — BOLTON SKU 54992.
About the MikroTik S-31DLC20D SFP, 1.25G Single-Mode 1310nm
The MikroTik S-31DLC20D 1.25G SFP Single Mode transceiver is an optical module for Gigabit fiber links. It operates at a nominal wavelength of 1310 nm over single-mode fiber through a dual-LC connector and is specified for link spans of up to 20 km, with a minimum guaranteed optical budget of 13 dB. Supported data rates of 1.063-1.25 Gbps cover Gigabit Ethernet and 1G Fibre Channel applications, using an FP laser transmitter and a PIN photodiode receiver. Digital diagnostics monitoring (DDM/DOM) reports live operating conditions such as optical power and temperature to the host device. MikroTik specifies an industrial operating temperature range of -45 °C to +85 °C; the module is tested in MikroTik switch and router platforms and also operates in other SFP-compliant equipment.
Key specifications
| Form factor | SFP |
|---|---|
| Data rate | 1.063-1.25 Gbps |
| Wavelength | 1310 nm |
| Fiber / connector | Single-mode, dual LC |
| Reach | Up to 20 km (min. 13 dB optical budget) |
| Diagnostics | DDM/DOM supported |
| Operating temperature | -45 °C to +85 °C |
Typical applications
This transceiver builds Gigabit fiber uplinks between switches, routers and field cabinets where runs exceed copper limits — campus backbones, CCTV and perimeter networks, and links between buildings or remote equipment shelters. Its industrial temperature rating suits outdoor cabinets and non-climatised plant rooms.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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