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Digital Circuit Protection Switching Series
ZMUX-121 1‑channel E1 line lossless automatic switching device
The ZMUX-121 is a high‑performance E1‑service 1+1 channel protection switching device, specifically designed to ensure the continuity and reliability of critical E1 services. The equipment features one primary E1 interface and one backup E1 interface, providing 1‑to‑1 user‑level E1 protection. By continuously monitoring the transmission quality of both the primary and backup E1 channels, it can automatically switch over without service interruption within ≤20 ms in the event of a fault or performance degradation, thereby meeting carrier‑grade transmission protection standards.
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ZMUX-122 2‑channel E1 line lossless automatic switching device
The ZMUX-122 is a high-performance E1‑service 1+1 channel protection switching device, specifically designed to ensure the continuity and reliability of critical E1 services. The equipment features two primary E1 interfaces and two backup E1 interfaces, supporting dual‑path E1 protection. By continuously monitoring the transmission quality of both primary and backup E1 channels, it can automatically switch over without service interruption within ≤20 ms in the event of a fault or performance degradation, thereby meeting carrier‑grade transmission protection standards.
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ZMUX-124 4‑channel E1 line lossless automatic switching device
The ZMUX-124 is a high‑performance E1‑service 1+1 channel protection switching device, specifically designed to ensure the continuity and reliability of critical E1 services. The equipment provides four primary E1 interfaces and four backup E1 interfaces, supporting protection for up to four user‑side E1 circuits. By continuously monitoring the transmission quality of both primary and backup E1 channels, it can automatically switch over without service interruption within ≤20 ms in the event of a fault or performance degradation, thereby meeting carrier‑grade transmission protection standards.
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ZMUX-128 8‑channel E1 line lossless automatic switching device
The ZMUX-128 is a high‑performance E1 service 1+1 channel protection switching device, specifically designed to ensure the continuity and reliability of critical E1 services. The equipment provides eight primary E1 interfaces and eight backup E1 interfaces, supporting protection for up to eight user‑side E1 circuits. By continuously monitoring the transmission quality of both primary and backup E1 channels, it can automatically switch over without service interruption within ≤20 ms in the event of a fault or performance degradation, thereby meeting carrier‑grade transmission protection standards.
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ZMUX-1200 Centralized E1 Channel Lossless Automatic Switching Device
The ZMUX-1200 is a high-capacity, non‑disruptive E1‑channel protection switching device featuring a modular chassis design. By flexibly configuring E1 protection line cards, a single chassis can support up to 56 E1 channels with 1+1 primary‑backup routing protection. It continuously monitors the status and transmission quality of both primary and backup E1 links, enabling automatic, lossless switchover within ≤20 ms in the event of a fault or performance degradation, thereby ensuring zero service interruption and seamless user experience while fully meeting carrier‑grade reliability standards.
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ZMUX-1230T User Line Protection Switching Equipment
The ZMUX-1230T is a versatile line protection switching device that enables intelligent switchover between primary and backup cable lines. It is suitable for a wide range of applications, including audio, data, and control signaling. When the primary line fails, it automatically switches to the backup line, ensuring rapid restoration of critical services.
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ZMUX-1215 Digital Circuit Protection Switching Equipment
The ZMUX-1215 is a protection‑switching device specifically designed for digital circuits, primarily used to provide primary–backup redundancy for E1 (2 Mbit/s) lines. The equipment features 15 primary E1 interfaces and 15 backup E1 interfaces, supporting protection for 15 user‑side E1 circuits. When the primary E1 line fails, the device automatically switches to the backup line, ensuring uninterrupted digital transmission services. It is suitable for a wide range of digital applications, including telecommunications, data transmission, and surveillance.
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