Cisco 12416 Replacement Instructions Manual page 9

Figure 3
Air filter door
Figure 4
To complete the preparation of the chassis, follow these steps:
Step 1 Power down the router.
a. Turn off all circuit breakers for the source power lines connected to the power shelf.
b. Verify that the LED labeled PWR OK on each of the power supplies is off, and that the power fan
in each power supply is off.
c. Verify that the green LED labeled OK on each blower module is off.
You must power down the router to remove and the install the chassis.
Caution
78-16082-01
Router Front Bonding and Grounding Receptacles
Router Top Bonding and Grounding Receptacles
Supplemental
bonding and
grounding
receptacle
Cisco 12016, Cisco 12416, and Cisco 12816 Router Chassis Replacement Instructions
Removing and Installing the Chassis
NEBS
supplemental
earth ground
receptacle
9