Wiring The Dc-Input Power Source - Cisco 2431 - IAD Router Hardware Installation Manual

Appendix C Connecting to DC Power
Complete these steps:
Remove all paint or oxidation from the rack at the point of the grounding connection.
Step 1
Step 2 Use a 3/16-inch flat-head screwdriver to loosen the grounding screw on the rack.
Connect the wire to a ring lug (large enough for the rack screw to fit through).
Step 3
Use a 3/16-inch flat-head screwdriver and the screw to attach the ring lug to the rack.
Step 4
Tighten the grounding screw on the rack over the ring lug.
Step 5
Repeat these steps for each switch being installed.

Wiring the DC-Input Power Source

Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that
Warning
the protective device is rated not greater than:
5 A Statement 1005
Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022
Only trained and qualified personnel should be allowed to install or replace this equipment.
Warning
Statement 1030
You must connect the Cisco ME DC switch only to a DC-input power source that has an input supply
Caution
voltage from –36 to –72 VDC. If the supply voltage is not in this range, the switch might not operate
properly or might be damaged.
To wire the switch to a DC-input power source, follow these steps:
To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit,
Step 1
switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the
OFF position.
Locate the terminal block plug (see
Step 2
OL-7678-01
Figure C-6).
Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide
Wiring the DC-Input Power Source
C-5