# BlueOptics 551121-BO SFP Fiber Optic Transceiver Module 155 Mbit/s LC

**URL:** https://aio.lv/en/product--blueoptics-551121-bo--12493689
**Data updated:** 2026-06-02 20:12 (EEST)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** 551121-BO
**EAN:** 4063232294933
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 84.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 70.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-551121-bo--12493689

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.99 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The BlueOptics 551121-BO is a high-performance SFP fiber optic transceiver module designed for Fast Ethernet, Fibre Channel, and SONET/SDH applications. It supports a maximum data transfer rate of 155 Mbit/s and a transmission distance of up to 80 km via an LC connector. This reliable module is compatible with switches, routers, and storage systems, featuring a robust silver design and a high MTBF of 1,000,000 hours, ensuring stable network connectivity.

## Long description

The BlueOptics 551121-BO is a high-performance SFP fiber optic transceiver module engineered for reliable data transmission in Fast Ethernet, Fibre Channel, and SONET/SDH environments. This module facilitates stable network connectivity with a maximum data transfer rate of 155 Mbit/s and is capable of reaching distances of up to 80 kilometers over single-mode fiber. Designed for seamless integration, it features a standard LC connector and a durable silver housing, ensuring long-term operational stability in professional networking hardware.
Advantages
This transceiver module offers exceptional reliability with a high mean time between failures of one million hours, making it an ideal choice for critical network infrastructure. Its hot-swap and hot-plug capabilities allow for easy installation and maintenance without the need to power down network equipment. The module is fully compliant with international standards, ensuring broad compatibility with various switches, routers, and storage systems while maintaining consistent signal integrity over long distances.
Suitable for
Fast Ethernet network connections
Fibre Channel storage area networks
SONET/SDH telecommunications infrastructure
Long-range fiber optic data transmission
This module may not be suitable for high-speed networks requiring data rates exceeding 155 Mbit/s, such as Gigabit Ethernet or 10G connections. Additionally, it is specifically designed for single-mode fiber applications and will not function correctly if used with multi-mode fiber cabling.
Key specifications
Data transfer rate: 155 Mbit/s
Maximum transmission distance: 80 km
Connector type: LC
Interface: SFP
Weight: 20 g
Color: Silver
To use the BlueOptics 551121-BO, simply insert the module into an available SFP port on your compatible network device. Ensure that the fiber optic cable is clean and properly terminated with an LC connector before plugging it into the transceiver. The device supports hot-swapping, meaning it can be inserted or removed while the equipment is powered on, though it is recommended to verify your specific hardware documentation for any port configuration requirements.
What to consider before purchase
Verify that your network hardware supports SFP modules with 155 Mbit/s speeds.
Ensure your fiber optic cabling infrastructure is single-mode to match the transceiver specifications.
Check the port availability on your switch or router.
Usage recommendations: Always handle the fiber optic connector with care and keep the dust cap on when the module is not in use to prevent contamination of the optical interface.

## Specifications

| Feature | Value |
|---|---|
| Interface type | SFP |
| Ethernet LAN | Yes |
| Hot-Plug support | Yes |
| Maximum operating temperature | 70 °C |
| Easy to install | Yes |
| Brand compatibility | Level One |
| SFP transceiver type | Fiber optic |
| Minimum operating temperature | 0 °C |
| Single-mode fiber (SMF) supported | Yes |
| SFP transceiver standard | ZX |

### Network

| Feature | Value |
|---|---|
| Ethernet interface type | Fast Ethernet |
| Maximum data transfer rate | 155 Mbit/s |
| Fiber ethernet cabling technology | 100BASE |
| Duplex system | Full |

### Ports & interfaces

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

### Performance

| Feature | Value |
|---|---|
| Maximum transfer distance | 80000 m |
| Mean time between failures (MTBF) | 1000000 h |
| Rx wavelength (max) | 1550 nm |
| Tx wavelength (max) | 1550 nm |

### Weight & dimensions

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

### Other features

| Feature | Value |
|---|---|
| Form factor | SFP |

### Certificates

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

### Sustainability

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |

### Features

| Feature | Value |
|---|---|
| Product colour | Silver |
| Hot-swap | Yes |
| Digital Diagnostics Monitoring (DDM) | Yes |

### Packaging data

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

## FAQ

### How much does the BlueOptics 551121-BO SFP Transceiver Module cost, and is it available for purchase?

The price is 84.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 40 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 20.07.2026 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 551121-BO SFP 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/12493689/68826092_large.webp