36 TC-net 100 Installation and Wiring Manual
Chapter 6 Grounding
6
Caution
• Check the wiring routes and make the grounding wires as short as possible.
• Use grounding wires 2 mm
2
or larger and 1 m long or less.
• Do not join grounding wires nor use a chain of wires between grounding busbars (lead-in ter-
minals).
• If a metal pipe, for example, is used to separate the Ethernet trunk cables from other cables,
be sure to ground the metal pipe by Class D grounding. This grounding must be indepen-
dent of the grounding of transmission lines (coaxial segments and transmission parts).
• Ground the transmission parts as follows:
• Cabinet of Class D grounding or higher exclusive to the Integrated Controller: Cabinet can
be grounded.
• Mixed presence of cabinet grounding and other grounding: Use exclusive Class D ground-
ing.
• To ground twisted-pair cables, provide the cabinet, where a hub is installed, a means of
grounding and ground the hub at one point. To ground the cable connecting one hub to
another, ground either of the hubs at one point.
• If power noise is likely to be generated, use a noise filter in the power line of the transmission
parts, and ground it to the grounding terminal exclusive to the Integrated Controller.
• If errors or defects have developed, contact your nearest TOSHIBA service office.
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