MikroTik S-31DLC20D 1.25G SFP Module 20KM Single Mode

The MikroTik S-31DLC20D is a high-performance 1.25G SFP fiber transceiver designed for reliable long-distance Gigabit Ethernet connections over single-mode fiber. It uses a 1310nm wavelength and a Dual LC UPC connector to provide stable fiber communication over distances of up to 20 kilometers. With Digital Diagnostic Monitoring (DDM) support, this module enables monitoring of optical parameters for improved network reliability and maintenance. It is suitable for MikroTik devices and other standard SFP-compatible networking equipment used in enterprise networks, ISP infrastructure, and fiber-based deployments.

Product Features

1.25Gbps Gigabit Fiber Connectivity

Provides reliable 1.25Gbps data transmission for Gigabit Ethernet fiber networking applications.

Single-Mode Fiber Support

Designed for Single Mode Fiber (SMF) connections, enabling stable long-distance optical communication with reduced signal loss.

20KM Transmission Distance

Supports fiber connections of up to 20 kilometers, making it suitable for extended network links between buildings, campuses, and remote locations.

1310nm Optical Wavelength

Uses a 1310nm wavelength optimized for long-distance single-mode fiber communication.

Dual LC UPC Connector

Features a Dual LC UPC connector interface for secure and efficient fiber connections.

Digital Diagnostic Monitoring (DDM)

Supports DDM functionality for monitoring important optical parameters such as temperature, voltage, and signal performance.

Wide Device Compatibility

Compatible with MikroTik SFP-enabled devices and other networking equipment that supports standard SFP modules.

Product Specifications

• Model: S-31DLC20D
• Product Type: SFP Fiber Transceiver
• Data Rate: 1.25Gbps
• Fiber Type: Single Mode Fiber (SMF)
• Wavelength: 1310nm
• Connector Type: Dual LC UPC
• Transmission Distance: Up to 20KM
• Interface: SFP
• Digital Diagnostic Monitoring (DDM): Supported
• Fiber Mode: Single Mode
• Operating Temperature: -40°C to +70°C
• MTBF: Approximately 100,000 hours at 25°C
• Form Factor: Hot-swappable SFP module
• Ethernet Compatibility: Gigabit Ethernet
• Ideal Applications: ISP fiber networks, enterprise infrastructure, campus networks, fiber uplinks, data centers, and SFP-enabled routers and switches.