Cisco 7513 Series Podręcznik - Strona 18

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Również dla Cisco 7513 Series: Skrócona instrukcja obsługi (44 strony), Instrukcja wymiany (26 strony), Arkusz danych (11 strony), Utrzymanie (20 strony), Instrukcja wymiany (19 strony), Instrukcja wymiany (22 strony)

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1. What Is the Cisco 7513

Replacing or Upgrading the Chassis

Step 2

Step 3

Step 4

Step 5

This completes the procedure for installing the cable-management bracket.

Moving Processor Modules from the Old Chassis to the New Chassis

At the interface processor end of the chassis, slots contain the processor modules. (See Figure 1.) In

the Cisco 7513, the RSP occupies RSP slot 6 or 7. In the Cisco 7576, the RSP placed in slot 6

controls router A and the RSP in slot 7 controls router B. The remaining 11 slots support any

combination of interface processors.

Note

will transfer the existing RSP(s) and interface processors from the Cisco 7513 to the Cisco 7576. For

example, if the existing Cisco 7513 includes two RSPs utilizing the "High System Availability"

(HSA) feature, keep in mind that this conﬁguration is not supported in the Cisco 7576. Refer to the

"Port and Slot Conﬁguration Worksheet" on page 28 for port and slot planning assistance. In

addition, the Cisco 7500 Series Installation and Conﬁguration Guide includes detailed information

on Cisco 7576 RSP and interface processor port assignments and usage.

Processor modules are keyed with guides on the backplane to prevent them from being fully inserted

in the wrong slot. Empty interface processor slots contain an interface processor ﬁller (an empty

carrier) to help keep dust out of the chassis, provide electromagnetic interference (EMI) shielding,

and maintain proper air ﬂow through the chassis interior.

Processor modules slide into the processor slots and connect directly to the backplane. The

spring-loaded ejector levers (see Figure 9) help to ensure that the bus connector on the back of the

processor module is fully seated in the backplane or fully dislodged from it. Captive installation

screws at both ends of each processor module faceplate prevent the processor from pulling away

from the backplane and support the EMI integrity of the system. Failure to use the ejector levers and

captive installation screws could result in a partial backplane connection, which can hang the system.

If you are replacing a Cisco 7513 chassis, move the interface processors to the same slot positions

in the new chassis to retain your existing conﬁguration. When upgrading a Cisco 7513 to a Cisco

7576, it is not possible to retain the existing conﬁguration. The lithium battery backup on the RSP

retains the system conﬁguration in nonvolatile random-access memory (NVRAM). Therefore, if you

install interface processors in the same slot positions in the new chassis that they occupied in the old

chassis, the system and the individual interfaces should come up in their previous conﬁguration. If

you install interface processors in different slots in the new chassis, the system will recognize the

interfaces, but will leave them in a shutdown state until you reconﬁgure and enable them.

18 Cisco 7513 and Cisco 7576 Chassis Replacement and Upgrade Instructions

Use a ﬂat-blade screwdriver to loosen the two slotted screws approximately 1/8-inch.

Place the bracket over the screws (see Figure 8), and slide the bracket to the right.

Use a ﬂat-blade screwdriver to tighten the screws.

When installing the network interface cables, route the cables up to and through the

cable-management bracket.

Route the excess cable out through either end of the bracket, coil it, and secure it to the

rack using nylon cable ties, or some other mode of attachment.

It might be necessary to bundle longer cables to avoid tangling them. Do this at the

cable-management bracket or at the rack, but leave enough slack in the cables to remove

processor modules. Change cables as required. Also, do not block the power supply air

vents with cables.

If you are upgrading a Cisco 7513 to a Cisco 7576, you need to carefully consider how you