Cisco SCE 8000 Installation And Configuration Manual page 161

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. The
Note
recommended 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.
Secure the ground cable to the cable holder with the two cable-ties.
Step 8
Retrieve the cable holder covers from the plastic bag and attach them to the front panel at the locations
Step 9
shown in
If the cable holder illustrated as number 5 and 8 in
Note
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.
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
Figure 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
E R A TI 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,
Cisco SCE8000 GBE Installation and Configuration Guide
Installing a DC-Input Power Supply
9-11