Installing the 7210 SAS-T
7210 SAS-T Installation Guide Page 37
Grounding the Chassis
The router is suitable for installation as part of the Common Bonding Network (CBN) or an
Isolated Bonding Network (IBN). The router is suitable for installation in Network
Telecommunication Facilities or locations where the NEC applies.
Before powering on the switch, ground the switch to earth as described below.
Step 1 Ensure that the rack on which the switch is to be mounted is properly grounded.
Step 2 Ensure that you have made a suitable electrical connection to the grounding point on the
rack. Ensure that no paint or isolating surface treatment is present on the grounding point.
Step 3 Disconnect all power cables to the switch.
Step 4 The switch chassis is connected internally to 0 V. This circuit is connected to the double-
hole grounding terminal on the rear of the switch (lower right corner) using Metric M4-.7
pitch screws and a Panduit LCCF8-14A-L or compatible ground lug. The surface area
around this terminal is not painted in order to provide for a good connection. Attach a #8
AWG stranded copper wire to the grounding terminal on the switch.
Step 5 Attach the grounding wire to the ground point on the rack.
CAUTION: The earth connection must not be removed unless all supply connections have been
disconnected.
Warning: Chassis ground cables are not included. Use only power cords that have a
grounding (earthing) path. Use only power cords that have a grounding (earthing) path. Main
grounding (earthing) connection points are through the IEC60320 appliance inlets. Grounding
(earthing) points on the rear of the equipment are for equipotential bonding only and are not
the safety grounding (earthing) points for the equipment. Lack of proper grounding (earthing)
of the equipment may result in a safety hazard and excessive electromagnetic emissions. See
Table 11 on page 47 for descriptions of common grounding-type (earthing) power supply
cords.
Warning: If you ground the equipment by a method other than those provided in this manual,
those means should be in compliance with all local wiring regulations and practices.
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