Cisco 2801 - Integrated Services Router, Руководство пользователя

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Installing and Upgrading Internal Modules in Cisco 2800 Series Routers
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Removing the Chassis Cover
Figure 3 Removing the Cisco 2801 Chassis Cover
Step 5 Place the router bottom on an antistatic mat, and begin installing modules.
Removing the Cover from Cisco 2811 Routers
To remove the chassis cover for a Cisco 2811 router, follow these steps. A number 2 Phillips screwdriver
and a flat-blade screwdriver with a blade width of 1/4 ± 1/32 inch (5 to 7 mm) are required.
Rack-mounted routers must be removed from the rack and positioned on a flat surface before you start
removing the cover.
Caution To prevent damage to the chassis, follow this procedure to remove the cover. Do not pry on the plastic
bezel or on the ears at either side of the chassis on the rear.
The following warning applies only if the router is provided with a DC-power input:
Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Step 1 Make sure that the router is turned off and disconnected from its power source.
Warning Before opening the unit, disconnect the telephone-network cables to avoid contact with
telephone-network voltages.
Statement 1041
Step 2
If rack-mounting brackets are attached to the chassis, remove them using a Phillips screwdriver.
Step 3 Remove the four screws at the rear of the top cover, using a Phillips screwdriver.
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