MP3900X Series Router Installation Manual
Appendix
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D-7
D2.3 Equipotential Connection Method
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The interconnected routers in the same work range need the equipotential
connection. For example, the interconnected routers, the metal sheath of the cable,
power supply PE line, and the installed metal structure should ensure the
equipotential connection.
For the equipotential connection of the interconnected routers, refer to the following
figure. After connection, use the multimeter to measure whether each equipotential
connection point well contacts and the impedance is low enough.
Appendix figure D-1 Diagram of router equipotential connection
1. Router ground terminal
2. Router equipotential connection line
3. Ground protection cable
4. Ground bar
