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Views: 399 Author: Site Editor Publish Time: 2025-05-28 Origin: Site
2. Why choose SFP+ BiDi optical module?
3. What are the application scenarios of SFP+ BiDi optical modules?
4. Differences between BiDi optical modules and ordinary bidirectional optical modules
Generally, optical modules have two ports, TX is the transmitting port and RX is the receiving port; while single-core optical modules use WDM technology to achieve bidirectional transmission of optical signals on one optical fiber. Single-core optical modules have many nicknames: single-fiber bidirectional optical modules, BIDI optical modules, single-mode single-core optical modules, single-core bidirectional optical modules, single-fiber bidirectional transmission modules, etc.
10G BIDI SFP+ optical module is packaged in SFP+, with a transmission rate of 10G, LC simplex interface, and a transmission distance of up to 80 kilometers when used with single-mode optical fiber. BiDi refers to single-fiber bidirectional, which uses WDM (i.e., wavelength division multiplexing) technology to send and receive different central wavelengths in two directions, thereby achieving bidirectional transmission of optical signals on one optical fiber.
Parameter | Typical Value | Illustrate |
Rate | 10Gbps | Compatible with 10G Ethernet, Fibre Channel, etc. |
Wavelength | 1270nm/1330nm、1490nm/1550nm | Must be used in matching pairs |
Transmission distance | 10km、20km、40km、80km | Choose according to your needs |
Interface | Interface LC Single Mode | Applicable to single mode fiber (SMF) |
Power consumption | ≤1W | Low power design |
The most obvious advantage is that it can reduce the number of ports on the fiber jumper panel, save the cost of fiber wiring infrastructure, reduce wiring space, help fiber management, and reduce the number of fibers required.
It is more expensive than traditional dual-fiber bidirectional optical modules, but the number of optical fibers required for BiDi optical modules per unit transmission distance is reduced by half. For many network lines, the cost savings from using fewer optical fibers far exceeds the cost of purchasing BiDi optical modules.
It is commonly found in data centers, enterprise networks and telecommunications, and is widely used in these fields for interconnection between servers, storage area networks (SANs), local area networks (LANs), etc. The optical module adopts SFP+ packaging, has a compact size and plug-in design, and is easy to install and replace. It supports standard SFP+ slots and integrates seamlessly with other compatible devices. This plug-in design makes network maintenance and upgrades more convenient. In terms of performance, the SFP+ 10Gbps BIDI single-channel single-fiber bidirectional plug-in optical module has high-speed, reliable and stable transmission capabilities. It supports a data transmission rate of 10Gbps to meet the needs of large-scale data transmission. At the same time, it also has low power consumption and excellent electromagnetic compatibility to meet the requirements of different working environments.
Single-fiber bidirectional optical modules use WDM technology, while dual-fiber bidirectional optical modules do not; Single-fiber bidirectional optical modules need to be used in pairs, while dual-fiber bidirectional optical modules do not; The structure of single-fiber bidirectional optical modules is more complicated than that of dual-fiber bidirectional optical modules, and a splitter and combiner need to be introduced on the optical modules; Single-fiber bidirectional optical modules only need one optical fiber, while dual-fiber bidirectional optical modules need two.
