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説明
Duplex Patch cord comes from “duo” that means “two”, and “plex” refers to “weave” or “fold”. A duplex system has two clearly defined paths with each path providing information in only one direction, that is A to B over one path, B to A over the other. Compared with half-duplex, a full-duplex system, or sometimes called double-duplex allows communication in both directions and allowing this to happen simultaneously.
Duplex Patch cord Product Overview
Duplex Patch cord consists of two separate fiber optic strands. Typically found in a zip cord construction format, which is most often used for duplex communication between devices where requires simultaneous, bi-directional transfer, workstation, fiber switches and servers, fiber modems.
Simplex fiber patch cable only contains one fiber and one single outer jacket, which means that information is running in only one direction. This cable is often utilized in applications that require one way data transfer.
According to the ITU-T definition, a simplex circuit is one where signals can flow in only one direction at a time. One end is the transmitter, while the other is the receiver and that is not reversible. 例えば, in TV, audio or visual information flows from transmitter to numerous receivers. Patch Cords are used to provide optical connection for fiber optic electronics. The use of the patch cord provides a quick and easy method for routing fiber patches in data centers, head-ends, cellular hubs and central offices. The patch cord can be used in interconnect or cross-connect path connecting the incoming fibers to the electronic equipment and providing patching within the fiber paths. Patch Cords include simplex, duplex and Multi-fibers assemblies.
Duplex Patch cord Product Pictures
Duplex Patch cord Product Specifications
| コネクタ | SC,FC,LC,ST,で,E2000,MT-RJ | ||
| 研磨 | SM/UPC | MM/PC | SM/APC |
| 挿入損失(最大) | ≤0.30dB | ≤0.25dB | ≤0.30dB |
| リターンロス(分) | ≧50dB | ≧35dB | ≧60dB |
| 抗張力 | >60N | ||
| 耐久性 | <0.20 dB の代表的な変化, 1000 交配 | ||
| 再現性 | ≤0.1dB | ||
| ストレージ , 動作温度 [℃] | -40～+85 | ||
| PC端面 | APC端面 | ||
| 曲率半径 | SC/FC/ST | 10～25mm | 5～12mm |
| LC/MU | 7～25mm | 5～15mm | |
| 頂点オフセット | ≤50μm | ||
| 繊維の球面高さ | +/- 50 nm | ||
| 角度オフセット | —— | 8°±0.2° | |
Duplex Patch cord Product Features
- 低い挿入損失
- 良好な再現性
- Good interchangeability
- リターンロスが大きい
- Good inter-insertion performance
- 良好な温度安定性
- Telcordia GR-326 コアおよび ROHS 要件を満たしています.
- コネクタはSCである可能性があります,FC,LC,ST,で,E2000, MT-RJ etc.
- ケーブルはG652Dかもしれません,G655、G657、OM1、OM2、OM3など.
- The cable size could be 1.2×2.5んん, 1,6×3.3んん, 2.0×4.1んん,2.8×5.7mmなど
Duplex Patch cord Product Applications
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