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should be two core, screened cable with XLR input and output connectors.
For installations where the DMX cable has to run a long distance or is in an
electrically noisy environment, such as in a discotheque, it is recommended to
use a DMX terminator. This helps in preventing corruption of the digital control
signal by electrical noise. The DMX terminator is simply an XLR plug with a 120
Ω resistor connected between pins 2 and 3,which is then plugged into the
output XLR socket of the last fixture in the chain. Please see illustrations below
5.DMX-512 控制连接
将提供的 XLR 电缆连接到控制器的 3 针 XLR 母头输出,另一端连接到
摇头的 3 针 XLR 母头输入。 您可以连锁多个 摇头通过串行链接连接
在一起。 所需的电缆应该是带有 XLR 输入和输出连接器的两芯屏蔽
电缆。 对于 DMX 电缆必须长距离运行或在嘈杂的环境(例如迪斯科
舞厅)中的安装,建议使用 DMX 终结器。 这有助于防止电噪声损坏
数字控制信号。 DMX 终结器只是一个 XLR 插头,在引脚 2 和 3 之间连
接了一个 120Ω电阻,然后将其插入链中最后一个灯具的输出 XLR 插
座。 请参见下面的插图。
1
2
3
PIN 3
PIN 2
120
Ω
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