Installing the Chassis
38
7210 SAS-M CHASSIS INSTALLATION GUIDE
3HE 10089 AAAA TQZZA Edition 01 Issue: 07
3.2.3 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.
Required tools and hardware:
• wire stripper
• wire cutter
• screwdriver appropriate for M4-.7 pitch screws
• #8 AWG stranded copper wire (green, or green/yellow)
Before powering on the switch, ground the switch to earth as described below.
Step 1. If mounting the switch in a rack, 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. Locate the grounding terminal. 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.
Step 5. Using a wire-stripping tool, strip the insulation from the end of the #8 AWG
stranded copper wire according to local safety codes. Attach the wire to the
grounding terminal on the switch.
Step 6. Using a wire-stripping tool, strip the insulation from the free end of the #10
AWG stranded copper wire according to local safety codes. Attach the wire
to the ground point on the rack.
Danger: The earth connection must not be removed unless all supply connections have
been disconnected.
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