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

The MikroTik S-31DLC20D SFP 1.25G Module is a single-mode fiber optic transceiver designed for reliable long-distance Gigabit connectivity. With support for 20 km transmission over single-mode fiber and standard 1.25 G uplink speeds, this module is ideal for linking switches, routers, and network infrastructure in enterprise, ISP, and campus environments where fiber is required to cover extended distances.

Product Features

Single-Mode Fiber Support

Designed for use with single-mode optical fiber for long-distance network links up to 20 km.

1.25 Gigabit Throughput

Supports 1.25 G optical data rates, providing high-speed connectivity between network devices.

SFP Hot-Swappable Module

Standard SFP form factor allows easy installation and replacement without powering down equipment.

Dual LC Connector

Equipped with a dual LC interface for reliable fiber connections.

Wide Compatibility

Works with MikroTik SFP-compatible switches, routers, and fiber infrastructure, as well as many third-party devices supporting standard 1.25 G SFP modules.

Product Specifications

• Model: S-31DLC20D
• Data Rate: 1.25 Gbps
• Fiber Type: Single-mode
• Maximum Distance: 20 km
• Connector Type: Dual LC
• Form Factor: SFP
• Wavelength: Typical single-mode wavelength (1310/1490 nm dependent on configuration)
• Operating Temperature: Commercial range
• Compatible With: SFP-equipped routers and switches