Modular multi-core optical fiber connector jumper wire

Abstract

The utility model discloses a modularized multi-core optical fiber connector jumper wire, belongs to the field of optical communication, and aims to solve the problems that in high-speed connection of existing optical communication, in order to ensure the signal-to-noise ratio of signals, structured wiring cannot be adopted, and only a direct connection wiring scheme or an AOC connecting wire scheme, namely a direct connection scheme between devices, can be adopted; the problem of nodes in a link is reduced. According to the technical scheme, no node insertion loss and return loss overhead exist in the link, so that the signal-to-noise ratio of the link is increased, the requirement of high-speed transmission for the link is met, and meanwhile, the problems of inflexibility, no expansion, no old utilization, high cost and the like are caused by the direct connection scheme between the devices. The utility model relates to a modularized multi-core optical fiber connector jumper which comprises a multi-core connector, a multi-core optical fiber cable and an optical module. According to the modularized multi-core optical fiber connector jumper wire, one end of an optical fiber in an optical cable is directly packaged in an optical module for photoelectric conversion according to a specific polarity mode, and the other end of the optical fiber directly penetrates into a multi-core connector to be ground into a terminal. And while the overhead of insertion loss and return loss is successfully reduced, the trunk part can be connected by customizing the length of the optical cable outside the optical module, so that structured wiring is realized.

Description

Technical Field

[0001] This utility model relates to the field of optical communication, and in particular to an environment with high requirements for insertion loss and return loss or signal-to-noise ratio of the entire optical transmission link. Background Technology

[0002] In current intelligent computing centers, high-speed optical modules such as 400Gbps, 800Gbps, and 1.6Tbps place extremely stringent requirements on the transmission links. To meet these requirements, structured cabling, which offers advantages such as flexibility, scalability, low cost, and efficiency, has to be abandoned in favor of rigid direct-connect cabling and AOC cables to achieve high-speed connections. Direct-connect cabling and AOC cables connect optical modules directly between devices using a pre-terminated optical cable without any intermediate nodes. This reduces insertion and return losses caused by nodes, improving the signal-to-noise ratio. However, this cabling method has many problems. Several drawbacks arise when products are damaged or upgraded: 1. Due to its length, defective products cannot be removed from the cable tray, wasting tray resources; 2. It is inflexible, unable to change port types, making upgrades impossible; 3. It cannot reuse existing equipment, resulting in waste; 4. If one end fails, the entire link becomes unusable, especially with AOC, where both ends are optical modules, requiring replacement of both if either end fails, leading to unnecessary waste. Utility Model Content

[0003] The purpose of this invention is to propose a modular multi-core fiber optic connector patch cord that reduces the number of nodes in the entire link to provide low insertion loss, high signal-to-noise ratio, and structured cabling.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] A modular multi-core fiber optic connector patch cord includes a multi-core fiber optic connector, an optical module, and a multi-core fiber optic cable. The fiber optic cable can be customized in length according to requirements, and one end is directly encapsulated into the optical module, while the other end can be inserted into the multi-core fiber optic connector assembly and pre-polished into a multi-core fiber optic connector without any nodes in the middle.

[0006] Specifically, the optical module has m channels, with TX for transmitting and RX for receiving in each channel. Therefore, each channel requires two optical fibers for communication, resulting in 2m optical fibers. Consequently, the number of fiber positions n in the multi-core fiber optic connector should be no less than 2m. The multi-core fiber optic cable connects the multi-core fiber optic connector and the optical module with a specific fiber position correspondence. The correspondence between the channel fiber positions of the optical module and the end-face fiber positions of the multi-core fiber optic connector is as follows: RX1 of the channel fiber position corresponds to end-face fiber position 1, and TX1 of the channel fiber position corresponds to end-face fiber position n; RX2 of the channel fiber position corresponds to end-face fiber position 2, and TX2 of the channel fiber position corresponds to end-face fiber position n-1; RX3 of the channel fiber position corresponds to end-face fiber position 3, and TX3 of the channel fiber position corresponds to end-face fiber position n-2; RX4 of the channel fiber position corresponds to end-face fiber position 4, and TX4 of the channel fiber position corresponds to end-face fiber position n-3. And so on; RXm-3 at the channel fiber position corresponds to m-3 at the end face fiber position, and TXm-3 at the channel fiber position corresponds to n-m+4 at the end face fiber position; RXm-2 at the channel fiber position corresponds to m-2 at the end face fiber position, and TXm-2 at the channel fiber position corresponds to n-m+3 at the end face fiber position; RXm-1 at the channel fiber position corresponds to m-1 at the end face fiber position, and TXm-1 at the channel fiber position corresponds to n-m+2 at the end face fiber position; RXm at the channel fiber position corresponds to m at the end face fiber position, and TXm at the channel fiber position corresponds to n-m+1 at the end face fiber position. Attached Figure Description

[0007] Figure 1 This is a schematic diagram showing the specific composition and fiber optic positions of this utility model;

[0008] Figure 2 This is a schematic diagram showing the correspondence between the end face fiber position and the channel fiber position of this utility model;

[0009] Figure 3 This is a schematic diagram of the first model for a specific application of this utility model;

[0010] Figure 4 This is a schematic diagram of the second model for a specific application of this utility model;

[0011] Figure 5 This is a schematic diagram of the third model for a specific application of this utility model.

[0012] In the picture:

[0013] 1. Multi-core fiber optic connector; 2. Optical module; 3. Multi-core fiber optic cable; 4. End face fiber position; 5. Channel fiber position; 6. Multi-core coupler; 7. Fiber optic cable with multi-core fiber optic connector; 8. Optical module with multi-core fiber optic connector interface. Detailed Implementation

[0014] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0015] This embodiment discloses a modular multi-core fiber optic connector patch cord. For example... Figure 1 As shown, the modular multi-core fiber optic connector patch cord includes a multi-core fiber optic connector 1, an optical module 2, and a multi-core fiber optic cable 3. The fiber optic cable 3 can be customized in length according to requirements, and one end is directly encapsulated inside the optical module 2, while the other end can be pre-ground into the multi-core fiber optic connector 1 without any nodes in between. The optical module 2 has multiple channels, with TX for transmitting and RX for receiving in each channel. Therefore, each channel requires two optical fibers for communication. The optical module 2 has m channels, which requires 2m optical fibers. Therefore, the number of fiber positions n of the multi-core fiber optic connector 1 should be no less than 2m. The multi-core fiber optic cable 3 connects the multi-core fiber optic connector 1 and the optical module 2 together with a specific optical fiber position correspondence.

[0016] like Figure 2 As shown, the correspondence between the channel fiber position 5 of optical module 2 and the end face fiber position 4 of multi-core fiber connector 1 is as follows: RX1 of channel fiber position 5 corresponds to 1 of end face fiber position 4, and TX1 of channel fiber position 5 corresponds to n of end face fiber position 4; RX2 of channel fiber position 5 corresponds to 2 of end face fiber position 4, and TX2 of channel fiber position 5 corresponds to n-1 of end face fiber position 4; RX3 of channel fiber position 5 corresponds to 3 of end face fiber position 4, and TX3 of channel fiber position 5 corresponds to n-2 of end face fiber position 4; RX4 of channel fiber position 5 corresponds to 4 of end face fiber position 4, and TX4 of channel fiber position 5 corresponds to n of end face fiber position 4. -3; and so on; RXm-3 of channel fiber position 5 corresponds to m-3 of end face fiber position 4, TXm-3 of channel fiber position 5 corresponds to n-m+4 of end face fiber position 4; RXm-2 of channel fiber position 5 corresponds to m-2 of end face fiber position 4, TXm-2 of channel fiber position 5 corresponds to n-m+3 of end face fiber position 4; RXm-1 of channel fiber position 5 corresponds to m-1 of end face fiber position 4, TXm-1 of channel fiber position 5 corresponds to n-m+2 of end face fiber position 4; RXm of channel fiber position 5 corresponds to m of end face fiber position 4, TXm of channel fiber position 5 corresponds to n-m+1 of end face fiber position 4.

[0017] like Figure 3As shown, two identical modular multi-core fiber optic connector patch cords can form a single-node link through a multi-core coupler 6, which saves the insertion loss and return loss of three nodes compared to the traditional four-node structured cabling, optimizes the link, and also enables one-sided replacement.

[0018] like Figure 4 As shown, two identical modular multi-core fiber optic connector patch cords are connected to a fiber optic cable 7 with a multi-core fiber optic connector through two multi-core couplers 6, forming a structured cabling. Compared with the traditional four-node structured cabling, it saves the insertion loss and return loss of two nodes, realizing the flexibility and cost-effectiveness of long-distance transmission, and facilitating upgrades, reuse, and replacement.

[0019] like Figure 2 and 5 As shown, a modular multi-core fiber optic connector patch cord, due to its unique fiber position correspondence, can be directly inserted into an optical module 8 with a multi-core fiber optic connector interface to form a single-node link. Compared with the traditional four-node structured cabling, it saves the insertion loss and return loss of three nodes, optimizes the link, and also enables single-sided replacement.

[0020] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A modular multi-core fiber optic connector patch cord, characterized in that: The system includes a multi-core fiber optic connector (1), an optical module (2), and a multi-core fiber optic cable (3). The fiber optic cable (3) can be customized in length according to requirements, and one end is directly encapsulated inside the optical module (2), while the other end can be pre-ground into the multi-core fiber optic connector assembly to form the multi-core fiber optic connector (1), without any intermediate nodes. The optical module (2) has multiple channels, with TX for transmitting and RX for receiving in each channel. Therefore, each channel requires two optical fibers for communication. The optical module (2) has m channels, requiring 2m optical fibers. Thus, the fiber position of the multi-core fiber optic connector (1) is... The number of units n should be no less than 2m; the multi-core fiber optic cable (3) connects the multi-core fiber optic connector (1) and the optical module (2) together with a specific fiber position correspondence; the correspondence between the channel fiber position (5) of the optical module (2) and the end face fiber position (4) of the multi-core fiber optic connector (1) is as follows: RX1 of the channel fiber position (5) corresponds to 1 of the end face fiber position (4), TX1 of the channel fiber position (5) corresponds to n of the end face fiber position (4); RX2 of the channel fiber position (5) corresponds to 2 of the end face fiber position (4), and TX1 of the channel fiber position (5) corresponds to n of the end face fiber position (4); RX2 of the channel fiber position (5) corresponds to 2 of the end face fiber position (4), and TX1 of the channel fiber position (5) corresponds to n of the end face fiber position (4). X2 corresponds to n-1 of the end face fiber position (4); RX3 of the channel fiber position (5) corresponds to 3 of the end face fiber position (4); TX3 of the channel fiber position (5) corresponds to n-2 of the end face fiber position (4); RX4 of the channel fiber position (5) corresponds to 4 of the end face fiber position (4); TX4 of the channel fiber position (5) corresponds to n-3 of the end face fiber position (4); and so on; RXm-3 of the channel fiber position (5) corresponds to m-3 of the end face fiber position (4); TXm-3 of the channel fiber position (5) corresponds to n-3 of the end face fiber position (4). n-m+4; RXm-2 of channel fiber position (5) corresponds to m-2 of end face fiber position (4), TXm-2 of channel fiber position (5) corresponds to n-m+3 of end face fiber position (4); RXm-1 of channel fiber position (5) corresponds to m-1 of end face fiber position (4), TXm-1 of channel fiber position (5) corresponds to n-m+2 of end face fiber position (4); RXm of channel fiber position (5) corresponds to m of end face fiber position (4), TXm of channel fiber position (5) corresponds to n-m+1 of end face fiber position (4).

Images