Cisco 12406 series Manual Petunjuk Penggantian - Halaman 9

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Preparing the Defective Chassis

To prepare the defective chassis for component removal you must disconnect the power from the PDU

and disconnect the RP cables, line card cables, interface cables, and alarm card cables. These procedures

are described below.

Disconnecting Power from the Power Distribution Units

Before transferring the components from the defective chassis to the replacement chassis, you must first

power down the router. Although many of the components in this procedure support OIR, that is, they

are hot-swappable, the router must be powered down before you remove the PDU.

The power distribution unit (PDU) is the point where facility power is connected to the router. The PDU

is located at the rear of the chassis, behind the blower module.

with the AC PDU installed.

For routers equipped with an AC-powered subsystem, the PDU is an AC PDU, and facility AC power

connects to the PDU through two AC power cord receptacles. (See

For routers equipped with a DC-powered subsystem, the PDU is a DC PDU, and facility DC power

connects to the PDU through source DC power cable leads clamped into two DC connector blocks.

(See

Figure 6

78-16109-01

Figure 8

and

Figure

9.)

AC-Powered Router—Rear View, Blower Module Removed

Cisco 12006 and Cisco 12406 Router Chassis Replacement Instructions

Figure 6

shows the rear view of a router

Figure

7.)