STC QSFPDD LR4 10KM – 400G QSFP DD LR4 10KM TRANSCEIVER

Principle of 10km Optical Module

5G-LX) use DFB lasers, enabling transmission distances up to 10km over single-mode fiber (SMF). A laser diode's resonant cavity consists of two semi-transparent reflective mirrors. Average optical power refers to the optical power outputted by the optical module's transmitter under normal working conditions, which can be understood as the intensity of light. In the era of 5G, AI, and high-speed data centers, optical modules serve as the core bridge for converting electrical signals to optical signals (and vice versa), enabling fast, reliable data transmission across networks.

10km fiber optic cable attenuation

22 dB/km under normal conditions, meaning even the best glass in the world slowly eats away at your signal over distance. The maximum attenuation is actually the attenuation coefficient of fiber optic cable, which is expressed in dB/km units. It's measured in decibels per kilometer (dB/km), and it determines how far a signal can travel before it becomes too weak to read. You can apply this methodology to all types of optical fibers in order to estimate the maximum distance that optical systems use. Understanding factors such as fiber modes, fiber launch power, receive sensitivity, fiber cable attenuation, and fiber budgets will make fiber installation projects run much smoother and more efficiently.

Iraq Long-Distance Optical Transceiver QSFP

The QSFP28 LR4 is a hot-pluggable, four-channel, and full-duplex optical transceiver module designed for long-distance transmission up to 10 km in the 100G Ethernet network with a working bandwidth of 1295nm to 1310nm. The module converts 4 input channels (ch) of 10Gb/s electrical data to 4 CWDM optical signals and multiplexes them into a single channel for 40Gb/s. They are typically deployed in metro networks, inter-campus backbones, and data center interconnect (DCI) scenarios that require up to 80km. This article provides a comprehensive comparison of mainstream optical transceivers, including SFP, SFP+, QSFP+, QSFP28, and QSFP-DD. It explains their technical differences, compatibility considerations, and ideal use cases to help readers choose the right module for enterprise and data center.

10km optical module transmission power

The SFP+ BiDi 10G 1330nmTX/1270nmRX transceiver module is designed for long distances data transmission up to 10km, with a 1330nm DFB transmitter, and a 1270nm PIN receiver. 10GBASE-LR is a 10-gigabit Ethernet optical standard that operates at 1310 nm over single-mode fiber (SMF), supporting link distances of up to 10 km.

Fiber Optic Transceiver Patch Panel

A fiber patch panel is a mounted enclosure—either rack-mounted or wall-mounted—used to terminate, manage, and interconnect multiple fiber optic cables. It acts as a hub for organizing splices and patch cords, streamlining fiber management and preserving signal integrity. The Cisco ® solution of panel and cable assemblies offers versatile solution for any breakout from 4x10 Gbs to 400 Gbs native. The panels are compatible for Top of Rack (ToR), Middle of Rack (MoR), and End of Row (EoR) layouts. Full patching platforms include FX ECX for LAN environments, FX UHD for high-density fiber channels and the DCX System used primarily in data centers where high amounts of fiber connections and density are the key requirements, as in optical. Propel Series Sliding Fiber Optic Panels for holding Propel modules, adapter packs and splice cassettes EPX Fiber Optic Panel available in either G2 or LGX/PNL 1U, 2U or 4U fixed or sliding configurations FMT (Fiber Management Tray) Series Fiber Optic Panels FOMS-FPS and FOMS-FPS-HD Fiber.

STC QSFPDD LR4 10KM – 400G QSFP DD LR4 10KM TRANSCEIVER

Principle of 10km Optical Module

10km fiber optic cable attenuation

Iraq Long-Distance Optical Transceiver QSFP

10km optical module transmission power

Fiber Optic Transceiver Patch Panel

Get In Touch

Connect With Us

Email

Spain Office (HQ)

EU Technical Center

Headquarters (Spain)