Cisco 2431 - IAD Router Hardware Installation Manual page 70

Wiring the DC-Input Power Source
Figure C-6
Identify the positive and negative feed positions for the terminal block connection. The wiring sequence
Step 3
is positive to positive and negative to negative for both the A and the B feed wires.
The front panel of the switch identifies the positive and negative positions for both the A and B feed
wires (See
Figure C-7
+
A
IN P U T -
C U R R E
Using an 18-gauge wire-stripping tool, strip each of the four wires coming from the DC-input power
Step 4
source to 0.27 inch (6.6 mm) ± 0.02 inch (0.5 mm). Do not strip more than 0.29 inch (7.4 mm) of
insulation from the wire. Stripping more than the recommended amount of wire can leave exposed wire
from the terminal block plug after installation.
Figure C-8
0.25 in. (6.3 mm) ± 0.02 in. (0.5 mm)
Step 5 Insert the exposed wire of one of the four DC-input power source wires into the terminal block plug, as
shown in
extend from the terminal block.
Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide
C-6
Terminal Block Plug
Figure C-7.)
Positive and Negative Positions
S Y S T E M
S Y S T E M
+
B
3 6 – - 7 2
V
N T 2 – 1
A
C O N S O
Stripping the DC-Input Power Source Wire
Figure C-9. Make sure that you cannot see any wire lead. Only wire with insulation should
L E
Appendix C Connecting to DC Power
OL-7678-01