A 100G optical transceiver is a high-speed optical module designed to transmit data at up to 100 gigabits per second over fiber optic networks by converting electrical signals into optical signals — and back again.
100G optical transceivers enable fast, reliable data transmission by converting electrical and optical signals, managing multiple data lanes, optimizing fiber usage, and supporting flexible network connections.
They enable Ethernet data transmission at up to 100 Gbps, providing the bandwidth required for data center interconnects, cloud networks, metro networks, and telecom infrastructure. Different optical standards support transmission distances ranging from short-reach multimode links to tens of kilometers over single-mode fiber.
100G optical transceivers convert high-speed electrical signals from switches, routers, and other network equipment into optical signals for transmission over fiber. At the receiving end, they convert the incoming optical signals back into electrical data.
Many widely deployed 100G QSFP28 transceivers use four 25 Gbps electrical lanes to create an aggregate 100G connection. Internal components such as DSP and CDR may perform signal conditioning, retiming, equalization, and error correction to maintain reliable high-speed transmission.
100G modules such as LR4 and CWDM4 convert multiple electrical lanes into different optical wavelengths and multiplex them onto a single fiber pair. This allows multiple channels to share the same fiber and reduces the amount of fiber cabling required.
100G transceivers provide standardized optical interfaces for connecting switches, routers, servers, and optical transport equipment. Depending on the module type, they can support different fiber types, connectors, reaches, and even breakout configurations such as 100G-to-4×25G, helping networks adapt to different deployment requirements.
100G optical transceivers are widely deployed across data centers, telecom networks, enterprise infrastructure, and inter-data-center connections, providing flexible high-bandwidth connectivity for both short-reach and long-distance fiber links.
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An optical transceiver converts electrical signals into optical signals and vice versa, allowing switches, routers, servers, and other network equipment to transmit data over fiber optic cables. It is widely used in data centers, telecom networks, enterprise networks, and high-speed optical communication systems.
The price of a 100G optical transceiver depends on the module type, transmission distance, wavelength, connector, and compatibility requirements. Short-reach 100G modules are generally less expensive than long-reach or DWDM models. Contact us for pricing based on your required specifications and order quantity.
100G QSFP28 is a compact, hot-pluggable optical transceiver form factor designed for 100 Gigabit Ethernet and other high-speed network applications. It typically uses four electrical lanes operating at approximately 25 Gbps each to provide an aggregate data rate of 100 Gbps.
A standard 100G QSFP28 LR4 optical transceiver typically supports transmission distances of up to 10 km over single-mode fiber (SMF). Actual transmission performance may vary depending on fiber quality, link loss, connectors, and the specific module design.
In many cases, “100G LR” is used as a general description for long-reach 100G optical modules, while “100G LR4” refers specifically to the IEEE 100GBASE-LR4 standard. LR4 uses four optical wavelengths to transmit 100G traffic over single-mode fiber, typically reaching up to 10 km. When purchasing a module labeled only as “100G LR,” it is recommended to confirm its transmission technology, reach, wavelength, and standard compliance.
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