Cisco SCE8000 GBE Installation And Configuration Manual page 149

Chapter 9 Removal and Replacement Procedures
Connect the DC-input wires to the 2700 W power supply terminal block . Depending on which side you
Step 7
are connecting the DC-input wires, be sure that the DC-input wires rest in the appropriate cable holder.
Figure 9-6
Connect the DC-input wires to the 2700 W power supply terminal block in this order:
Ground
•
Negative (-)
•
Positive (+)
•
When you tighten the terminal nuts, make sure they are snug. Do not over tighten them. Recommended
Note
torque strength is 20 inch-pounds. Over tightening the terminal nuts can break the terminal block
(Maximum torque: 36 inch-pounds).
Figure 9-6
When installing the unit, the ground connection must always be made first and disconnected last.
Step 8 Secure the ground cable to the cable holder with the two cable-ties.
Retrieve the cable holder covers from the plastic bag and attach to the front panel at the locations shown
Step 9
in Figure
Note If the cable holder illustrated as number 5 and 8 in
please use a long cable tie to secure the cable holders as illustrated in number 9.
Step 10 Secure the terminal block cover using four screws and the terminal block barriers with two screws each.
Turn on the DC inputs and verify power supply operation by checking the power supply front panel
Step 11
LEDs.
The power supply rear panel LEDs should be in the following states:
• INPUT OK LED is green
• FAN OK LED is green
OUTPUT FAIL LED is not lit
•
If the LEDs indicate a power problem, see
OL-19897-02
shows DC-input wires coming in from the left side.
DC-Input Wires on Left Side
P W R - 2
7 0 0 - D C
/4
A LL FA
S TE N E
P R IO R
TO O P
E R A TI
9-3.
IN P U T1
IN P U T2
O K
FA N
O K O U TP U
48 V- 60 T
V O K
48 V- 60
FA IL
V
=4 0A
=4 0A
R S M U
S T B E
FU LL Y
N G TH E N G A
E P O W
G E D
E R S U
P P LY
Figure 9-3 does not hold the DC input cables snugly,
Identifying Startup Problems, page 8-7
Cisco SCE8000 GBE Installation and Configuration Guide
Removing and Replacing the Power Supply
9-11