Juniper EX2300 Series Hardware Manual page 311

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Users should ensure for their own protection that the electrical ground connections of the power utility,
telephone lines, and internal metallic water pipe system, if present, are connected together. This
precaution might be particularly important in rural areas.
Taiwan
此為甲類資訊技術設備。於一般家居環境使用時，本設備可能導致射頻干擾，用 請採取相應措施。
The preceding translates as follows:
This is a Class A device. In a domestic environment, this device might cause radio interference, in which
case the user needs to take adequate measures.
European Community
This is a Class A device. In a domestic environment this device might cause radio interference, in which
case the user needs to take adequate measures.
Israel
The preceding translates as follows:
Warning: This product is Class A. In residential environments, the product may cause radio interference,
and in such a situation, the user may be required to take adequate measures.