Cisco optics
Cisco optics are an essential part of modern network infrastructures. They provide fast, stable connections between switches, routers, and other network equipment. From short-range to long-range applications, Cisco offers a wide range of transceivers, suitable for various speeds and distances. Qualified Networks supplies both new and refurbished Cisco optics, directly from stock and thoroughly tested.
Why Qualified Networks?
- New and refurbished transceivers available
- Fast shipping, often within 24 hours
- Lifetime warranty on refurbished models
Popular Cisco optics
We offer a wide range of Cisco transceivers, suitable for various network environments. Below is a selection of our most popular models.
10G transceiver for multimode fiber. Often used in data centers and for short distances of up to approximately 300 meters.
10G long-range module for single-mode fiber. Suitable for connections up to 10 kilometers.
Gigabit module for single-mode networks. Commonly used in enterprise environments and for campus connections.
40G transceiver for data center backbones. Supports connections up to 150 meters over multimode fiber.
100G module for long-distance connections. Ideal for high-performance networks between locations.

Not found what you're looking for?
We have access to a global network of suppliers and can supply virtually any Cisco optical model. Contact us for availability or a free quote.
question and answer
SFP supports speeds up to 1G, SFP+ up to 10G, and QSFP is used for 40G or 100G connections. The choice depends on your network needs.
Not always. Many Cisco optics are vendor-locked, but there are also universal and third-party modules. We’re happy to advise you on compatibility.
Yes, all our refurbished Cisco optics come with a lifetime warranty.
Most frequently requested modules are in stock and can be shipped quickly. Contact us for specific models.
Absolutely. We offer a good residual value and ensure the safe processing and reuse of your old modules.
