2-11
Catalyst 8540 Chassis Installation Guide
78-6134-03
Chapter 2
Installing the Chassis
Connecting Power to the Chassis
Step 4
Attach the appropriate lugs to the DC-input wires. (See Figure 2-7.)
Step 5
Wire the DC-input conductors from the top of the terminal block as follows:
•
Ground wire to ground terminal
•
Return wire to “
+
” terminal
•
Battery wire to “
−
” terminal
Figure 2-7
DC Power Supply (Terminal Block Cover Not Shown)
Warning
When installing the unit, the ground connection must always be
made first and disconnected last.
Note
Use 8 AWG, 90
°
, copper conductor for the above
connections.
Note
Route the wires from the top of the terminal block so that
you do not obstruct access to the chassis power switch.
Step 6
Reinstall the terminal block cover after ensuring that all wire connections are
secure.
o
15708
Power
switch
Terminal
block
LEDs
INPUT
OK
FAN
OK
OUTPUT
FAIL