OM5 Fiber Patch Cords

Fiber optic jumpers are fiber optic jumper cables used to transmit optical signals.

Transmission mode: single mode (G652D and G657A1 and A2) and multimode (OM3/OM4/OM5).

Connector: SC/FC/ST/LC/MPO, etc.

OM5 fiber, known as broadband multimode fiber patch cord (WBMMF), is a laser optimized multimode fiber (MMF) that specifies bandwidth characteristics specifically for wavelength division multiplexing (WDM). The purpose of this new fiber classification method is to provide support for multiple "short" wavelengths between 850nm and 950nm, which are suitable for high bandwidth applications after aggregation. The design of OM3 and OM4 is mainly aimed at supporting a single wavelength of 850nm.

1. Fewer fibers support higher bandwidth applications

The working wavelength of OM5 fiber optic patch cords is 850/1300nm and can support at least 4 wavelengths. The typical operating wavelengths of OM3 and OM4 are 850nm and 1300nm. That is to say, traditional OM1, OM2, OM3, and OM4 multimode fibers only have one channel, while OM5 has four channels, which increases the transmission capacity by four times. By combining short wave wavelength division multiplexing (SWDM) and parallel transmission technology, OM5 only requires 8-core broadband multimode fiber (WBMMF) to support 200/400G Ethernet applications, greatly reducing the number of fiber cores and greatly reducing network wiring costs.

2. Longer transmission distance

The transmission distance of OM5 optical fiber is longer than that of OM3 and OM4. OM4 fiber optic is designed to support a length of at least 100 meters with 100G-SWDM4 transceivers. But OM5 fiber optic can support up to 150 meters in length with the same transceiver.

3. Lower fiber loss

The attenuation of OM5 broadband multimode optical cables has been reduced from 3.5 dB/km of previous OM3 and OM4 optical cables to 3.0 dB/km, and bandwidth requirements have been added at 953nm wavelength.

OM5 has the same fiber size as OM3 and OM4, which means it is fully compatible with OM3 and OM4. If OM5 is to be applied in existing cabling, it does not need to be changed. OM5 fiber optic is more scalable and flexible, capable of supporting faster network transmission with fewer multimode fiber cores, while its cost and power consumption are much lower than single-mode fiber optic. Therefore, it will be widely used in 100G/400G/1T ultra large data centers in the future.

① High recognition level: The OM5 fiber optic patch cord was initially released by the Communications Industry Association as TIA-492AAAE, and was unanimously recognized in the ANSI/TIA-568.3-D revision solicitation issued by the American National Standards Association;

② Strong scalability: OM5 fiber optic patch cords can combine short wave wavelength division multiplexing (SWDM) and parallel transmission technology in the future, and only 8-core broadband multimode fiber (WBMMF) is needed to support 200/400G Ethernet applications;

③ Cost reduction: OM5 fiber optic patch cords draw inspiration from wavelength division multiplexing (WDM) technology of single-mode fibers, extending the available wavelength range during network transmission, and can support four wavelengths on 1-core multimode fibers, reducing the required number of fiber cores to 1/4 of the previous one, which greatly reduces the network wiring cost;

④ Strong compatibility and interoperability: OM5 fiber patch cords can support traditional applications like OM3 and OM4 fiber patch cords, and they are fully compatible and highly interoperable with OM3 and OM4 fiber patch cords. With the advantages of low link cost, low power consumption, and higher availability, it has become the most cost-effective data center solution for most enterprise users.

① It is generally used for the connection between optical terminals and terminal boxes, and is applied in some fields such as fiber optic communication systems, fiber optic access networks, fiber optic data transmission, and local area networks.

② OM5 fiber optic patch cords can be used for higher bandwidth applications. Due to the significant optimization of the manufacturing process of the OM5 fiber optic jumper's fiber optic preform, it can support higher bandwidth.

③ OM5 multimode fiber supports more wavelength channels, so the development direction of SWDM4 technology using four wavelengths or BiDi technology using dual wavelengths is consistent. Similar to BiDi used for 40G links, SWDM transceivers only require two core LC duplex connections. The difference is that each SWDM fiber operates at four different wavelengths between 850nm and 940nm, with one fiber dedicated to transmitting signals and the other fiber dedicated to receiving signals.

④ OM5 fiber supports future 400G Ethernet simultaneously. For higher speed 400G Ethernet applications such as 400G Base-SR4.2 (4 pairs of fibers with 2 wavelengths, each channel using 50GPAM4) or 400G Base-SR4.4 (4 pairs of fibers with 4 wavelengths, each channel using 25GNRZ), only 8 core OM5 fiber is required. Compared to the first generation 400G Ethernet 400G Base-SR16 (16 pairs of fibers, each channel transmitting 25Gbps), the required number of fibers is only a quarter of traditional Ethernet, SR16, as a milestone in the development of multimode 400G technology, proves the possibility of multimode technology supporting 400G. In the future, the market is looking forward to 400G multimode applications based on 8-core MPO in the large number of 400G applications.

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