Installation guide

AT-8400 Chassis Installation Guide
17
Connecting the Frame Ground
To ensure the safe and proper operation of your AT-8400 chassis, you
must ground the unit to a ground point using the frame ground
connector on the back panel.
Figure 10 Frame Ground Connector
The location of the frame ground is the same on both AC and DC
powered chassis.
Grounding the chassis requires the following items:
❑ One cable lug for connecting the grounding wire to the connector
on the chassis
❑ One 12 AWG bundled wire or 14 AWG solid wire
These items are not supplied with the AT-8400 chassis.
Warning
You should attach the frame ground before you power on the
chassis.
Warning
The DC terminal blocks on a DC powered AT-8400 chassis have
ground connectors. The ground connectors on the DC terminal
blocks should never be connected to the frame ground.
FAN B FAN A
PWR B PWR A
AT-8403 AT-8403
WARNING
This unit might have more
than one power cord. To
reduce the risk of electric
shock, disconnect all
power cords before
servicing unit.
!
Frame Ground