# SFP transceiver BlueOptics AXSK-CSFP-SR-BO 1250 Mbit/s Fiber optic Silver

**URL:** https://aio.lv/en/product--blueoptics-axsk-csfp-sr-bo--4470398
**Data updated:** 2026-02-25 16:34 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** AXSK-CSFP-SR-BO
**EAN:** 4063232616711
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-axsk-csfp-sr-bo--4470398

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The BlueOptics AXSK-CSFP-SR-BO is a fiber optic SFP transceiver with a maximum data transfer rate of 1250 Mbit/s. It features a durable metal housing and a long MTBF of 1,000,000 hours, ensuring reliability. Weighing only 20 g, it is lightweight and easy to install.

## Long description

The BlueOptics AXSK-CSFP-SR-BO is an SFP fiber optic transceiver designed for 1000Base-SX multimode fiber links with a maximum data transfer rate of 1250 Mbit/s. The module has an LC duplex interface, operates with 850 nm transmit and receive wavelengths, and fits standard SFP ports. Its metal housing provides mechanical durability while the low weight of 20 g makes it easy to handle and install in switches, routers and other network devices.
Advantages
The transceiver follows MSA SFP specifications to ensure interoperability with supported hardware and offers a long MTBF of 1,000,000 hours for extended service life. It supports common high-speed protocols such as Ethernet and Fibre Channel over Ethernet up to 1.25 Gbit/s and is designed for multimode fiber runs up to typical short-reach distances. Built with industry-grade components and compliant with CE and RoHS, the module includes diagnostics capability when the host supports DDM/DOM functions.
Suitable for
Short-reach multimode fiber connections in data centers and server rooms
Switch-to-switch and switch-to-server links supporting 1000Base-SX
Upgrading or replacing SFP transceivers in compatible network equipment
Environments requiring MSA-compliant hot-pluggable optics
Key specifications
Interface type: SFP with LC duplex connector
Wavelength: 850 nm (Tx/Rx)
Maximum data rate: 1250 Mbit/s (1.25 Gbit/s)
Suitable fiber type: Multimode fiber (MMF)
Typical reach: short-range multimode links (manufacturer data for up to ~550 m under ideal conditions)
Housing: metal
Weight: 0.02 kg
Compliance: MSA SFP standard, CE and RoHS compliant
How to use
Power off or follow hot-swap instructions for your host device and insert the transceiver into an available SFP slot until it clicks into place. Connect LC duplex multimode patch cords to the module’s transmit and receive ports, ensuring correct polarity. Verify link status on the host device and, if available, enable or read out DDM/DOM diagnostics to monitor supply voltage, temperature, laser bias and optical power. Remove the optical dust caps only when ready to make the connection and store caps to protect the connectors when not in use.
Usage recommendations
Use high-quality multimode patch cords and maintain correct TX/RX polarity. Confirm that the target switch, router or appliance officially supports MSA-compliant SFP modules or enables third-party transceivers. For diagnostic access, ensure the host platform supports DDM/DOM. Avoid bending fiber beyond recommended radii and keep connectors clean to maintain optimal optical performance.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Interface type | SFP |
| Maximum data transfer rate | 1250 Mbit/s |
| Ethernet interface type | Gigabit Ethernet |
| Fiber ethernet cabling technology | 1000BASE |
| Ethernet LAN | Yes |
| Fiber optic connector | LC |
| Maximum transfer distance | 550 m |
| Rx wavelength (max) | 850 nm |
| Tx wavelength (max) | 850 nm |
| Multi-mode fiber (MMF) supported | Yes |
| SFP transceiver standard | SX |

### Network

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

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 70 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | 0 °C |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 30 g |

### Weight & dimensions

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

### Features

| Feature | Value |
|---|---|
| Mean time between failures (MTBF) | 1000000 h |
| Product colour | Silver |
| Housing material | Metal |

## FAQ

### How much does the SFP transceiver BlueOptics AXSK-CSFP-SR-BO cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1469 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 23.07.2026 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.

## Image

https://aio.lv/img/cache/product/4470398/64299850_large.webp