不要退回接口电缆、软件及驱动器架子。

DO NOT send the interface cables, software, nor the drive stand.

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操作表示机是计算机联锁系统中关键的人机界面设备，硬件上利用继电器组成的逻辑电路，实现双机热备的倒机逻辑控制和设备接口电缆的动态切换。

Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.

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相机接口电缆可同时连接到外部电源通过显示器查看现场，还可通过USB连接直接到计算机中下载图像。它可轻便的在潜水中支持近，中，远程的操作。

A camera interface cable allows operators to simultaneously connect to external power, view the scene on a monitor, and download images to a computer through a USB connection.

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