C-6
Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide
OL-7678-01
Appendix C Connecting to DC Power
Wiring the DC-Input Power Source
Figure C-6 Terminal Block Plug
Step 3
Identify the positive and negative feed positions for the terminal block connection. The wiring sequence
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.)
Figure C-7 Positive and Negative Positions
Step 4
Using an 18-gauge wire-stripping tool, strip each of the four wires coming from the DC-input power
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 Stripping the DC-Input Power Source Wire
Step 5
Insert the exposed wire of one of the four DC-input power source wires into the terminal block plug, as
shown in Figure C-9. Make sure that you cannot see any wire lead. Only wire with insulation should
extend from the terminal block.
60530
CONSOLE
132858
SYSTEM
INPUT -36 – -72 V
CURRENT 2 – 1A
A
B
+
+
SYSTEM
0.25 in. (6.3 mm)
±
0.02 in. (0.5 mm)
60531
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