# SFP transceiver module BlueOptics MP-S31121-3CDL20-BO 1250 Mbit/s

**URL:** https://aio.lv/en/product--blueoptics-mp-s31121-3cdl20-bo--10446670
**Data updated:** 2026-03-07 15:19 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** MP-S31121-3CDL20-BO
**EAN:** 4063232294476
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 41.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 34.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-mp-s31121-3cdl20-bo--10446670

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The BlueOptics MP-S31121-3CDL20-BO is a fiber optic SFP transceiver module with a maximum data transfer rate of 1250 Mbit/s. It features a silver color, weighs 20 g, and comes in a compact SFP form factor. Ideal for high-speed data transmission in networking applications.

## Long description

The BlueOptics MP-S31121-3CDL20-BO is an SFP fiber optic transceiver module designed for 1000BASE-LX class applications with a maximum data transfer rate of 1250 Mbit/s. Housed in a compact SFP form factor and finished in silver, the module supports single-mode fiber with LC duplex connectivity and provides bidirectional optical transmit and receive functions at 1310 nm. The module weighs 20 g and is intended for use in networking equipment that accepts standard MSA-compliant SFP transceivers.
Advantages
This SFP transceiver is manufactured to MSA standards for physical compatibility and interoperability with major network platforms that support 1000BASE-LX modules. It supports long-reach single-mode links and implements optical transmission at 1310 nm for simultaneous send/receive over LC duplex fiber. The form factor and interface type make it suitable for direct replacement in switch, router, or storage hardware that accepts SFP modules, while maintaining a compact footprint and low weight.
Suitable for
 Gigabit Ethernet links over single-mode fiber
 Long-reach point-to-point optical connections up to typical 20 km range
 Integration into switches, routers, and storage systems with SFP slots
 Fibre Channel over Ethernet or SDH/SONET applications at up to 1.25 Gbit/s
Key specifications
 Form factor: SFP (Small Form-factor Pluggable)
 Maximum data transfer rate: 1250 Mbit/s (1.25 Gbit/s)
 Optical wavelength: 1310 nm (transmit and receive)
 Fiber type: Single-mode fiber (SMF)
 Connector: LC duplex
 Typical reach: suitable for long-reach links (commonly up to around 20 km depending on fiber and conditions)
 Color: Silver
 Weight: 0.02 kg
How to use
Insert the BlueOptics SFP transceiver into a compatible SFP slot on the target network device while the device is powered down or following the device vendor's hot-swap procedure. Connect LC duplex single-mode fiber patch cords to the module's LC connectors, ensuring correct transmit/receive orientation. Configure the host device for the intended protocol (for example, Gigabit Ethernet or Fibre Channel over Ethernet) and verify link status. If supported by the host hardware, enable or query Digital Diagnostic Monitoring (DDM/DOM) to monitor supply voltage, laser bias, output power, received power and temperature in real time.
Usage recommendations
Use high-quality single-mode LC duplex patch cords and, where possible, test the transceiver in the target hardware to confirm interoperability. Ensure the host device supports 1000BASE-LX SFP modules and DDM/DOM features if remote diagnostics are required. Store and handle the transceiver in a clean, ESD-safe environment and avoid contaminating fiber connectors to maintain optimal performance.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Interface type | SFP |
| Maximum data transfer rate | 1250 Mbit/s |
| Fiber ethernet cabling technology | 1000BASE |
| Fiber optic connector | LC |
| Maximum transfer distance | 20000 m |
| Rx wavelength (max) | 1310 nm |
| Rx wavelength (min) | 1310 nm |
| Tx wavelength (min) | 1310 nm |
| Tx wavelength (max) | 1310 nm |
| Single-mode fiber (SMF) supported | Yes |

### Network

| Feature | Value |
|---|---|
| SFP transceiver type | Fiber optic |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Sustainability certificates | Federal Communications Commission (FCC), RoHS, CE |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 70 |

### Features

| Feature | Value |
|---|---|
| Form factor | SFP |
| Product colour | Silver |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 30 g |
| Number of products included | 1 pc(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.02 kg |

## FAQ

### How much does the SFP transceiver BlueOptics MP-S31121-3CDL20-BO cost, and is it available for purchase?

The price is 41.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 105 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 27.07.2026 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. 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 BlueOptics 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 BlueOptics 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. More information about warranty service: https://aio.lv/en/warranty

### 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, weight, product colour, 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.

### Where can I download the instructions for SFP transceiver BlueOptics MP-S31121-3CDL20-BO?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10446670/52469288_large.webp