# BlueOptics BO28C4334640DIN cSFP Fiber Optic Transceiver Module, 1250 Mbit/s, LC-Duplex, 40km

**URL:** https://aio.lv/en/product--blueoptics-bo28c4334640din--12524219
**Data updated:** 2026-06-17 08:20 (EEST)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** BO28C4334640DIN
**EAN:** 4063232340463
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 150.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 124.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-bo28c4334640din--12524219

## 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 | 1.99 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The BlueOptics BO28C4334640DIN is a high-performance cSFP fiber optic transceiver module designed for 1.25 Gigabit Ethernet applications. It supports data transfer rates up to 1250 Mbit/s over singlemode fiber with a maximum reach of 40 km. Featuring LC-Duplex connectivity and DDM support, this module operates reliably in extreme temperatures from -40°C to +85°C, making it ideal for demanding industrial networking environments.

## Long description

The BlueOptics BO28C4334640DIN is a high-performance cSFP fiber optic transceiver module engineered for reliable 1.25 Gigabit Ethernet data transmission. Designed for demanding industrial environments, this module facilitates high-speed connectivity over singlemode fiber optic cables, ensuring stable performance across distances of up to 40 kilometers. Its robust construction and support for extreme temperature ranges make it a dependable choice for critical network infrastructure.
Advantages
This transceiver module offers exceptional versatility through its compact cSFP form factor, allowing for higher port density in networking equipment. The inclusion of Digital Diagnostics Monitoring (DDM) provides real-time insights into the module's operating parameters, such as temperature and optical power levels, which simplifies network maintenance and troubleshooting. Furthermore, the module is built to withstand harsh conditions, operating effectively in temperatures ranging from -40°C to +85°C, ensuring consistent uptime in outdoor or industrial settings.
Suitable for
Industrial automation and control networks
Long-range campus and enterprise fiber backbones
High-density networking equipment requiring cSFP modules
Environments with extreme temperature fluctuations
This module may not be suitable for applications requiring data rates exceeding 1.25 Gbit/s or for use with multimode fiber optic cabling, as it is specifically optimized for singlemode transmission. Additionally, it is not intended for consumer-grade networking hardware that does not support the cSFP interface standard.
Key specifications
Data transfer rate: 1250 Mbit/s
Interface: cSFP
Connector type: LC-Duplex
Maximum reach: 40 km
Operating temperature: -40°C to +85°C
Fiber type: Singlemode
How to use
To install the BlueOptics BO28C4334640DIN, ensure your networking device is powered on and supports the cSFP standard. Carefully insert the module into the designated SFP slot until it clicks into place. Connect your singlemode fiber optic cable with an LC-Duplex connector to the module. The device should automatically detect the transceiver, allowing for immediate data transmission. Always handle the optical interfaces with care to prevent dust or debris from affecting signal quality.
What to consider before purchase
Verify that your switch or router supports the cSFP form factor.
Ensure your fiber optic infrastructure uses singlemode cabling.
Confirm that the 40 km reach meets your specific link distance requirements.
Check that the operating temperature range aligns with your deployment environment.
Usage recommendations: Always use protective dust caps when the module is not connected to a fiber cable to maintain the integrity of the optical components. Regularly monitor DDM data to proactively identify potential link degradation.

## Specifications

| Feature | Value |
|---|---|
| Interface type | cSFP |
| Ethernet LAN | Yes |
| Hot-Plug support | Yes |
| Easy to install | Yes |
| Brand compatibility | BlueOptics |
| SFP transceiver type | Fiber optic |
| Single-mode fiber (SMF) supported | Yes |
| SFP transceiver standard | 2BX-U |

### Network

| Feature | Value |
|---|---|
| Ethernet interface type | 1.25 Gigabit Ethernet |
| Maximum data transfer rate | 1250 Mbit/s |
| Fiber ethernet cabling technology | 1000BASE |
| Duplex system | Full |

### Ports & interfaces

| Feature | Value |
|---|---|
| Fiber optic connector | LC |

### Performance

| Feature | Value |
|---|---|
| Maximum transfer distance | 40000 m |
| Mean time between failures (MTBF) | 3000000 h |
| Rx wavelength (max) | 1310 nm |
| Tx wavelength (max) | 1490 nm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.04 kg |

### Other features

| Feature | Value |
|---|---|
| Form factor | cSFP |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE, Federal Communications Commission (FCC), RoHS |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -40 - 85 |

### Features

| Feature | Value |
|---|---|
| Product colour | Silver |
| Hot-swap | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 50 g |

## FAQ

### How much does the BlueOptics BO28C4334640DIN cSFP Transceiver Module cost, and is it available for purchase?

The price is 150.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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: maximum data transfer rate, maximum transfer distance, weight, ethernet interface type, fiber optic connector, 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 BlueOptics BO28C4334640DIN cSFP Transceiver Module?

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/12524219/68880063_large.webp