Cisco 2504 - 2504 Router Manual de usuario descargar pdf (Pagina 3)

Replacing the Boot ROMs in the Cisco 2500 Series and AccessPro PC Card Routers 3

Removing the Cover or AccessPro PC Card

Removing the Chassis Cover

To remove the chassis cover, follow these steps:

Step 1 Turn the power OFF.

Step 2 Disconnect all cables from the rear panel of the router.

Warning This warning applies to all models that include a BRI port. Network hazardous voltages

are accessible in the basic rate interface (BRI) cable. If you detach the BRI cable, detach the end

away from the router ﬁrst to avoid possible electric shock. Network hazardous voltages are also

accessible on the system card in the area of the BRI port (RJ-45 connector), even when the power is

OFF. (See Figure 1.)

Figure 1 Network Hazardous Voltage Area Near the BRI Port

Step 3

Turn the router upside down so that the top of the chassis is resting on a stable surface and

the front of the chassis is toward you. (See Figure 2, Part A.)

H1963

Chassis rear panel

Network hazardous

voltages may be

present in this area.

BRI port

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Cisco 2504 - 2504 Router Manual de usuario Pagina 3