# Fiber optic SFP module CBO J4859A-BO 1250 Mbit/s LC 10,000 m

**URL:** https://aio.lv/en/product--blueoptics-j4859a-bo--4465225
**Data updated:** 2026-02-25 16:30 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** J4859A-BO
**EAN:** 4063232629391
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-j4859a-bo--4465225

## 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

CBO J4859A-BO is a fiber optic SFP transceiver supporting 1250 Mbit/s data rate with an LC connector and a maximum reach of 10,000 meters. Designed for use in network switches, routers and telecom equipment, it enables single-mode fiber links for long-distance data transmission. Suitable for network upgrades, spares and installations requiring reliable optical connectivity.

## Long description

CBO J4859A-BO is a BlueOptics fiber optic SFP transceiver designed for single-mode links. It supports a data rate of 1250 Mbit/s and uses an LC duplex connector to provide optical connectivity over distances up to 10,000 meters. The module is intended for installation in compatible network switches, routers and telecom devices to establish long-distance fiber links with stable performance and low latency.
Advantages
The module offers a compact SFP form factor that simplifies installation and replacement in rack-mounted and modular equipment. With a 1250 Mbit/s data rate and single-mode operation it enables long-reach connections while keeping power consumption and heat generation low. The LC connector provides a standardized interface for easy mating with common single-mode patch cables, and the specified 10,000 m reach allows integration into metropolitan and campus backbone segments.
Suitable for
Long-distance single-mode fiber links between network switches and routers
Telecom and carrier-class equipment requiring optical uplinks
Network upgrades, redundant spare inventory and field replacements
Campus, metro and inter-building backbone connections
Key specifications
Form factor: SFP (small form-factor pluggable)
Data rate: 1250 Mbit/s
Connector type: LC duplex
Optical mode: single-mode fiber
Maximum reach: up to 10,000 meters
Typical application: long-reach Ethernet/telecom links
How to use
Insert the SFP transceiver into a compatible SFP slot on the network device until it clicks into place, then connect single-mode LC patch cables to the module and the remote device, observing correct TX/RX orientation. Ensure the host device is powered and configured for the corresponding port speed and optical interface. Monitor link status via the device management interface and verify optical power and link integrity during commissioning.
Usage recommendations
Handle the transceiver using ESD-safe procedures and keep dust caps on the LC connectors when the module is not connected. Use single-mode fiber and LC patch cords rated for long-reach applications, and verify connector cleanliness before mating. For best performance, confirm compatibility with the host device and follow vendor guidance for supported module lists and firmware settings.

## FAQ

### How much does the Fiber optic SFP module CBO 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 — 396 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

## Image

https://aio.lv/img/cache/product/4465225/59857323_large.webp