Cisco 10720 - Internet Router Installation And Configuration Manual page 127

Chapter 5 Maintaining the Cisco 10720 Internet Router
Figure 5-2
Step 2 Disconnect the power source from the router as described below for each power input type:
AC—Disconnect the wall plug. (See
•
Note
Before performing any of the following procedures, ensure that the power is removed from the DC
Warning
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 (O) position, and tape the switch handle of the circuit
breaker in the OFF (O) position. Statement 140
Use an ESD-preventive strap when disconnecting power leads on the router. (See the
Caution
Electrostatic Discharge" section on page
78-13062-10
Removing the Router from the Power Source
RES ET
CON SOL
E AUX AC OK
DC OK
OTF
AC OK
DC OK
OTF
DON NOT
OR INSER REMO VE
T CABL
WITH THE ES
POW ER
ON
INPU T 100-
200- 50/6
0Hz 2-5A
Ensure that the power is removed from the DC circuit to ensure proper safety is maintained.
Figure 5-2.)
2-3.)
Cisco 10720 Internet Router Installation and Configuration Guide
Disconnecting Power from the Router
"Preventing
5-5