Connecting Dc-Input Power - Cisco Router 7204 Installation And Configuration Manual

Chapter 3 Installing the Cisco 7204
Figure 3-20 Connecting AC-Input Power
Power switch
Plug the AC power supply cable into the AC power source.
Step 4
Repeat Step 1 through Step 4 for the second power supply (if present).
Step 5
This completes the procedure for connecting AC-input power.

Connecting DC-Input Power

Connect a 280W DC-input power supply as follows:
Note The color coding of the DC-input power supply leads depends on the color coding of the DC power
source at your site. Typically, green or green/yellow is used for ground, black is used for +48V (return),
and red or white is used for –48V. Make certain the lead color coding you choose for the DC-input power
supply matches lead color coding used at the DC power source.
Before completing any of the following steps, and to prevent short-circuit or shock hazards, ensure
Warning
that power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker
on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and
tape the switch handle of the circuit breaker in the OFF position.
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Step 1 Ensure that the –48V and +48V leads are disconnected from the power source.
Step 2 Using a wire stripper, strip approximately 0.55 inch (14 mm) from the –48V, +48V, and ground leads
(refer to
OL-5101-02
PWR OK LED
AC power cable
Figure 3-21).
Hole for nylon
cable tie
Cable-retention
clip
Cisco 7204 Installation and Configuration Guide
Connecting Power
3-21