S-31DLC20D MikroTik Compatible 1G SFP LX 20km SMF

The S-31DLC20D is a 1G SFP optical transceiver compatible with MikroTik platforms.

• Form Factor: SFP
• Data Rate: 1G
• Protocol: LX
• Wavelength: 1310nm
• Fiber Type: SMF
• Reach: 20km
• Connector: Duplex LC
• Standard: 1000BASE-LX (20km)
• OEM Equivalent: S-31DLC20D

Compatibility: The S-31DLC20D-TFO is TenFour Optics' compatible equivalent of the MikroTik S-31DLC20D, coded per order for MikroTik platforms. Add your switch model and OS release in the order notes, or email 10.4@tenfouroptics.com, and we confirm coding before it ships.

Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.

OEM-compatible and MSA-compliant. Compliance documentation (RoHS declaration, IEC 60825-1 laser classification) is available on request for project quotes. Digital Diagnostic Monitoring (DDM/DOM) supported. Every module is tested for traffic conformity per supported layer 2/3 protocols, DOM threshold verification, EEPROM/MSA value verification, serial number verification, and optical cleanliness before shipment.

Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In-stock items ship same or next business day.