The MikroTik S-31DLC20D SFP (1.25G) module is a reliable and high-performance transceiver designed for long-distance single-mode fiber connections. It features a Dual LC UPC connector and operates at a 1310nm wavelength, making it capable of supporting data transmission over distances of up to 20 kilometers. With a data rate of 1.25G, this module is well-suited for stable and efficient fiber networking.
Moreover, the S-31DLC20D comes with Digital Diagnostic Monitoring (DDM), which allows users to monitor real-time operating parameters such as temperature, supply voltage, and optical power. As a result, you can enjoy better control and improved reliability in your network.
This SFP module works smoothly with many MikroTik devices such as RB260GS, RB2011LS, RB2011LS-IN, RB2011UAS-IN, RB2011UAS-RM, RB2011UAS-2HnD, RB2011UAS-2HnD-IN, and CCR1036-12G-4S. It also, works with most non-MikroTik SFP devices. Thus, giving you more flexibility and makes it easy to add to your existing network.
Furthermore, the unit handles extreme temperatures from -40°C to +70°C, so it works well both indoors and outdoors. Because of this, it is a great choice for businesses in areas with harsh weather. As a result, you can depend on it for stable performance and long-lasting use, whether it is installed in a server room, data center, or outdoor cabinet.
Key Features
1.25G SFP transceiver with Dual LC UPC connector
Up to 20KM single-mode fiber connections
Operates at 1310nm wavelength for reliable transmission
Digital Diagnostic Monitoring (DDM) support
Wide compatibility with MikroTik and non-MikroTik devices
Durable build for -40°C to +70°C temperature range
For flexible deployment, some models are sold separately, while others are available as a complete kit for 20 km links. Therefore, you have the freedom to easily expand an existing network or quickly build a full setup from scratch.
S-85DLC05D – 1.25G SFP with an 850nm Dual LC connector. Supports up to 550m Multi-Mode fiber and includes DDMI monitoring.
S-31DLC20D – 1.25G SFP with a 1310nm Dual LC connector. Works with 20KM Single-Mode fiber and supports DDMI.
S-35/53LC20D Kit – a pair of 1.25G Single-Mode SFP modules with single LC connectors. They support 20KM links with T1310nm/R1550nm and T1550nm/R1310nm, both with DDMI.
S+85DLC03D & S+31DLC10D – advanced SFP+ modules for 10G networks, delivering high speed at an affordable price.
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