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header-product Network transceiver module MikroTik S-31DLC20D SFP 1310 nm 1250 Mbit/s 20 km LC
19.99 €

Network transceiver module MikroTik S-31DLC20D SFP 1310 nm 1250 Mbit/s 20 km LC

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Network transceiver module MikroTik S-31DLC20D SFP 1310 nm 1250 Mbit/s 20 km LC

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Network transceiver module MikroTik S-31DLC20D SFP 1310 nm 1250 Mbit/s 20 km LC

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Short description

MikroTik S-31DLC20D is an SFP network transceiver module operating at 1310 nm wavelength with a maximum data rate of 1250 Mbit/s. Designed for single-mode fiber with LC connector, it supports links up to 20,000 m (20 km). Suitable for Ethernet and telecom equipment requiring compact hot-pluggable SFP optics for long-distance connectivity.
Available at price 19.99 €: 4 pcs.
Total available for order: 269 pcs.
Warranty: 1 Year
SKU: 26842
free shipment

Cheapest delivery:

Latvijas Pasts pakomāts

Pick-up points

Latvijas Pasts pakomāts

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
06.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
09.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.02 kg)
Parcel couriers
Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa
09.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Payment Methods:
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Product information

Description

S-31DLC20D is a 1.25G SFP transceiver operating at 1310 nm with a dual LC connector, designed for single-mode fiber links up to 20 km. The module supports digital diagnostic monitoring (DDM) and provides a 1250 Mbit/s interface for integration into network equipment compatible with SFP ports.

Advantages

The MikroTik S-31DLC20D offers a compact SFP form factor with DDM support and a standardized LC duplex connector, ensuring straightforward installation and monitoring. With a 20 km single-mode reach and a 1.25G data rate, it is suitable for extending Ethernet links over optical fiber while maintaining compatibility with many MikroTik devices and third-party SFP-capable equipment.

Suitable for

  • Extending Ethernet links over single-mode fiber up to 20 km
  • Replacement or upgrade of SFP ports in MikroTik routers and switches (e.g., RB260GS, RB2011 series, CCR1036-12G-4S)
  • Interoperable connections with non-MikroTik SFP devices that support 1.25G 1310 nm LC transceivers

Key specifications

  • Form factor: SFP
  • Data rate: 1.25 Gbit/s (1250 Mbit/s)
  • Wavelength: 1310 nm
  • Connector: Dual LC (duplex)
  • Maximum link distance: up to 20 km (single-mode fiber)
  • Features: Digital Diagnostic Monitoring (DDM)
  • Manufacturer part number (MPN): S-31DLC20D

How to use

Insert the S-31DLC20D module into an SFP slot of a compatible switch or router while the device is powered on or as recommended by the equipment vendor. Connect single-mode LC duplex fiber patch cables to the module’s LC ports, observing transmit/receive orientation. Check device interface status and DDM readings via your equipment’s management interface to verify link integrity and optical parameters.

Usage recommendations

Use certified single-mode LC patch cables and follow your network equipment vendor’s guidelines for hot-plugging. Verify compatibility with the target device model list and monitor DDM values for early detection of optical link issues.

Specifications

Interface type:
SFP
Maximum data transfer rate:
1250 Mbit/s
All features

Performance

Interface type:
SFP
Maximum data transfer rate:
1250 Mbit/s
Wavelength:
1310 nm
Fiber optic connector:
LC
Maximum transfer distance:
20000 m

Features

Compatible products:
RB260GS,RB2011LS, RB2011LS-IN, RB2011UAS-IN, RB2011UAS-RM, RB2011UAS-2HnD, RB2011UAS-2HnD-IN, CCR1036-12G-4S

Logistics data

Harmonized System (HS) code:
85369010

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
EU1 4 06.07.2026 19.99 € Best price
WH115 3 09.07.2026 21.99 €
EU2 9 30.06.2026 21.99 €
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Available only for legal entities
Warehouse Stock Delivery to the store Store Price
BT21 86 02.07.2026 22.49 €
EU6 33 09.07.2026 28.49 €
19.99 €
Stock: 4
Delivery Date: 06.07.2026
Warehouse: EU1
21.99 €
Stock: 3
Delivery Date: 09.07.2026
Warehouse: WH115
21.99 €
Stock: 9
Delivery Date: 30.06.2026
Warehouse: EU2
22.49 €
Stock: 14
Delivery Date: 29.06.2026 Best delivery
Warehouse: BT5
22.49 €
Stock: 20
Delivery Date: 09.07.2026
Warehouse: EU85
27.99 €
Stock: 100
Delivery Date: 09.07.2026
Warehouse: WH94
Available only for legal entities
22.49 €
Stock: 86
Delivery Date: 02.07.2026
Warehouse: BT21
28.49 €
Stock: 33
Delivery Date: 09.07.2026
Warehouse: EU6

Customer reviews

Customer questions

FAQ

How much does the MikroTik S-31DLC20D SFP transceiver module cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 269 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All MikroTik products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MikroTik service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: interface type, maximum data transfer rate, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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