Cisco 2600 Series Hardware Installation Manual page 71

Appendix B Maintaining the Router
Before opening the chassis, disconnect the telephone-network cables to avoid contact with
Warning
telephone-network voltages. To see translations of the various warnings that appear in this
publication, refer to the Regulatory Compliance and Safety Information document that
accompanied this device.
Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin. Connect the
Step 3
equipment end of the wrist strap to the metal back plate of the chassis.
Remove the screws located on the top of the chassis. Note that the chassis is comprised of two sections:
Step 4
top and bottom.
Step 5 Holding the chassis with both hands, position it as shown in
Slide the top section away from the bottom section as shown in
Step 6
Figure B-1
Figure B-2
POWER
Step 7 When the top cover is off, set it aside.
Note
OL-2171-02
Holding Chassis for Cover Removal
POWER RPS ACTIVITY
Removing Chassis Cover
RPS ACTIVITY
The system board layout in
Cisco 261x, the boot ROM is in position U23.
Figure
Cisco 2600
Figure B-5 shows the layout of the system board.
Figure B-5 shows the boot ROM in position U22. On the
Cisco 2600 Series Routers Hardware Installation Guide
Accessing the System Board
B-1.
Figure B-2.
Cisco 2600
SERIES
SERIES
B-3