MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Key Specifications
1.25G SFP optical transceiver module
Single-mode fiber support (SMF)
1310nm wavelength
Up to 20KM transmission distance
Dual LC UPC connector
Supports Digital Diagnostic Monitoring (DDM)
Hot-swappable SFP format
Industrial operating temperature (-40°C to +70°C)
Compatible with MikroTik routers, switches, and third-party SFP ports
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The MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode is a high-performance fiber optic transceiver designed for long-distance networking up to 20KM. It is widely used in ISP infrastructure, enterprise backbone networks, and building-to-building fiber connections where stable and interference-free communication is required.
It operates on a 1310nm wavelength and uses a dual LC connector interface for single-mode fiber links. The module is hot-swappable, allowing quick installation into compatible MikroTik routers, switches, and third-party SFP devices.
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Price in Kenya
Product
Price (KES)
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode
4,000 – 6,000 KES
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Specifications Table
Specification
Details
Model
S-31DLC20D
Data Rate
1.25 Gbps
Fiber Type
Single Mode (SMF)
Wavelength
1310nm
Distance
Up to 20KM
Connector
Dual LC
Form Factor
SFP
DDM Support
Yes
Operating Temperature
-40°C to +70°C
Power Consumption
<1W
Installation
Hot-swappable
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Performance
The MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode delivers stable and efficient fiber connectivity over long distances when paired with quality single-mode fiber cables.
It is ideal for:
ISP backbone fiber links
Enterprise network uplinks
Building-to-building connections
CCTV and surveillance backhaul systems
It provides low latency, consistent throughput, and strong resistance to electromagnetic interference, making it suitable for mission-critical environments.
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Compatibility and Features
Works with MikroTik SFP-enabled routers and switches
Compatible with standard 1.25G SFP ports
Plug-and-play installation (hot-swappable)
Supports Digital Diagnostic Monitoring (DDM)
Uses standard LC duplex single-mode fiber
Suitable for ISP and enterprise deployments
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Design and Build
Compact industrial-grade metal housing
Lightweight and durable construction
Designed for continuous 24/7 operation
High reliability for telecom environments
Wide operating temperature range for harsh conditions
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Use Cases
ISP fiber backbone networks
Enterprise network uplinks
Building-to-building fiber connectivity
Data center interconnections
CCTV and surveillance systems
Campus-wide fiber deployments
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Pros and Cons
Pros
Cons
Supports long-distance 20KM fiber links
Requires single-mode fiber infrastructure
Stable 1.25G transmission performance
Limited to 1.25Gbps speed class
Compatible with MikroTik and other brands
Not suitable for multimode fiber
Supports DDM monitoring
Requires matched fiber pair setup
Low power consumption
Sensitive to dirty connectors
Hot-swappable design
Needs proper fiber termination
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode FAQs
Is the MikroTik S-31DLC20D SFP (1.25G) Module compatible with other brands? Yes, it works with most standard SFP-supported networking devices.
What is the maximum distance supported? Up to 20 kilometers over single-mode fiber.
Does it support Gigabit Ethernet? Yes, it supports 1.25Gbps optical transmission.
Is it plug-and-play? Yes, it is hot-swappable and requires no configuration.
Can it be used in pairs? Yes, it is typically deployed in matched pairs for point-to-point links.
MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode Conclusion
The MikroTik S-31DLC20D SFP (1.25G) Module 20KM Single Mode is a reliable and cost-effective fiber transceiver for long-distance networking in Kenya. With strong compatibility, stable performance, and support for up to 20KM links, it is ideal for ISP backbones, enterprise networking, and building-to-building fiber connections where reliability and uptime are critical.
