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LTPH-SM-1052-04
Step
Procedure (Continued)
For legacy (painted) racks, remove the paint from the contact area to
ensure good frame ground.
3
Attach the L-shaped end of the ground lug (see
to the rear of the chassis.
4
Attach the other end of the ground lug (see
the CO rack using locally approved methods (6 AWG or larger cables require double screw
connectors).
5
Reduce EMI by prying open the ferrite clamp (see
battery feed wires through the clamp before connecting them to the Power Access.
Figure 12. Opening the Ferrite and Routing the Battery Feed Wires (Right-Hand Side, Rear View)
-48 VA Return and -48 VB Return are tied together on the backplane and are referenced as RTN
on the Power Access connector.
HMS-358 List 5 and List 6
Figure 11 on page
Figure 11 on page
Figure
Power access
connector
-48 VA
-48 VB
RTN
RTN
FGND
Ferrite
July 14, 2002
16) using two 8-32 x
16) using two 12-24 x
1
12) with a slot screwdriver and routing the
ESD strap input
Installing the Power Cables
Installer Check ü
H
3
/
screws
16
H
/
screws to
2
H
Continued
17
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