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S12700 and S12700E Series Agile Switches Hardware Installation and Component Replacement

This document describes hardware installation procedures of the S12700 series switches, troubleshooting methods for common hardware faults, and switch maintenance instructions.
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Specifications for Laying Out Grounding Cables

Specifications for Laying Out Grounding Cables

Table 14-14 shows the specifications for the ground cable.
Table 14-14 Specifications for laying out ground cables




The grounding wire should not run parallel to or twist around the signal cable.


Bury ground underground or arrange them indoors. Do not route ground cables overhead.


Do not connect two cables together to extend the PGND cable, or add any switches or fuses.


The PGND cable should be an alternating yellow and green plastic insulated one with a copper core.


The neutral line of the AC power cable cannot be connected to the protective ground of transmission and communication equipment in the equipment room.


A PGND cable should be as short as possible, with a length of no more than 45 m (147.64 ft).

Updated: 2019-09-29

Document ID: EDOC1000069460

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