5-136
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Upgrading the Cisco 7600 Series Routers to a WS-SUP720-3BXL
Figure 5-135 Thermistor Module Replacement
Step 4 Insert the thermistor module until the faceplate of the module bottoms out to the ramp in the chassis.
Step 5 Tighten the captive screw on the module into the chassis.
Step 6 Reinstall the intake panel by tightening four captive thumbscrews.
Upgrading the Cisco 7600 Series Routers to a WS-SUP720-3BXL
To perform the upgrade, you must shut down the system.
Before you shut down the system, you should first upload the current configuration to a server. This saves
time when bringing the module back online. You can recover the configuration by downloading it from
the server to the nonvolatile memory of the supervisor engine.
For information on installing the WS-SUP720-3BXL, see “Installing a Supervisor Engine or a Module”
in the Cisco 7600 Series Router Module Installation Guide.
The SUP720-3BXL is supported with the following chassis. High-speed fans and larger power supplies
are required for the WS-SUP720-3BXL. If your chassis has the low speed fan, you will need to upgrade
them. For information on replacing the fans, see the
“Removing and Replacing the Fan Assembly”
procedure on page 5-119. For information on replacing the power supplies, see “Removing and
Replacing the Power Supply” procedure on page 5-2.
Ta b l e 5-4 Required Fan Upgrades for the WS-SUP720-3BXL
191355
P
O
R
T
2
P
O
R
T
2
L
I
N
K
ACTIVE
TX
RX
TX
RX
ACTIVE
TX
RX
TX
RX
TX
RX
TX
RX
Supported Chassis
Low Speed Fan (Original
Fan)
High Speed Fan (Required for the
SUP720-3BXL)
Cisco 7603 FAN-MOD-3 FAN-MOD-3HS
Cisco 7604 N/A FAN-MOD-4HS
Cisco 7606 FAN-MOD-6 FAN-MOD-6HS
Cisco 7609
1
N/A FAN-MOD-09
Cisco 7613 WS-C6K-13SLOT-FAN WS-C6K-13SLOT-FAN2
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