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Table of Contents

Component Overview

Component Overview

This chapter provides a brief overview of the hardware components that can be installed in the Catalyst 8540 Campus Switch Router (CSR) chassis and contains the following sections:

The Catalyst 8540 CSR is a 13-slot, modular chassis with optional dual, fault-tolerant, load-sharing AC or DC power supplies. The slots in the chassis are numbered 0 to 12.
Slots 0 through 3 and 9 through 12 can contain up to eight full-width interface modules. Slot 4 of the chassis is reserved for the route processor. Slots 5 and 7 are reserved for the switch modules. Slots 6 and 8 remain empty. (See Figure 1-1.)


Figure 1-1: Catalyst 8540 CSR Chassis

Interface Modules

The Catalyst 8540 CSR interface modules provide ports for connection to network services. You can install interface modules in slots 0 through 3 and slots 9 through 12 of the Catalyst 8540 chassis. Slot 4 is reserved for the route processor and slots 5 and 7 are reserved for switch modules.

The interface modules are used for 10-Mbps, 100-Mbps, or 1000-Mbps Ethernet connections. Status and link LEDs on each port give visual indications of port status and operation. Comprehensive statistics gathering and alarm monitoring capabilities are available for all connections.

All configuration information for interface modules is saved between hot swaps and reboots, and interface types are discovered automatically by the Catalyst 8540 CSR. This eliminates mandatory manual configuration.

The interface modules available in the Catalyst 8540 CSR chassis include:

Some interface modules, such as the 10/100BaseT and the 100BaseFX, are available with either 16K or 64K RAM. This memory is used for routing tables.

Note Be aware that if you populate a Catalyst 8540 chassis with interface modules with different RAM values, all modules in the chassis will support only the lower RAM value.

Gigabit Ethernet Interface Module

The Catalyst 8540 CSR supports two different interface modules for Gigabit Ethernet transmission over fiber connections: the two-port Gigabit Ethernet interface module and the eight-port Gigabit Ethernet interface module.

Eight-Port Gigabit Ethernet Interface Module

The eight-port Gigabit Ethernet interface module supports 1000-Mbps Layer 2 or Layer 3 fiber-optic connections. (See Figure 1-2.) It provides eight Gigabit Ethernet ports with Gigabit Interface Converter (GBIC) modular transceivers and SC-type fiber connectors. The eight-port Gigabit interface module is available with 64KB of RAM


Figure 1-2: Eight-Port Gigabit Ethernet Interface Module
Note Local switching on the eight-port interface module provides non-blocking wire speed between the ports on this module at Layer 2. For Layer 3 data transfer there is a 400 percent oversubscription factor.

Two-Port Gigabit Ethernet Interface Module

The two-port Gigabit Ethernet interface module supports 1000-Mbps Layer 2 or Layer 3 fiber-optic connections. (See Figure 1-3.) It provides two Gigabit Ethernet ports with Gigabit Interface Converter (GBIC) modular transceivers and SC-type fiber connectors. The two-port Gigabit interface module is available with either 16KB or 64KB of RAM.


Figure 1-3: Two-Port Gigabit Ethernet Interface Module

10/100BaseT Interface Module

The 10/100BaseT Ethernet interface module contains 16 10-Mbps or 100-Mbps Layer 2 or Layer 3 unshielded twisted-pair (UTP) ports. (See Figure 1-4.) This module supports full-duplex or half-duplex connections and Fast EtherChannel operation. The 10/100BaseT interface module is available with either 16KB or 64KB of RAM.


Figure 1-4: 10/100BaseT Ethernet UTP Interface Module

100BaseFX Interface Module

The 100BaseFX Ethernet interface module contains 100-Mbps Layer 2 or Layer 3 multimode fiber connections. (See Figure 1-5.) This module supports full-duplex connections and Fast EtherChannel operation. It provides 16 multimode fiber ports with MT-RJ connectors. The 100BaseFX interface module is available with either 16KB or 64KB.


Figure 1-5: 100BaseFX Multimode Fiber Interface Module

Route Processor

This section describes the route processor, shown in Figure 1-6.

The route processor resides in slot 4 of the Catalyst 8540 CSR chassis. The route processor contains most of the system memory components and the main system processor, which includes the network management processor for the system software. The route processor maintains and executes the management functions that control the chassis.


Figure 1-6: Route Processor


The route processor features include the following:

In addition to these features, the route processor performs the following management functions:

Flash Memory SIMM

Using the Flash memory SIMM, you can load and store system software images remotely. You can download a new software image over the network or from a local server and add the new image to Flash memory or replace an existing image.

LEDs

The LEDs on the route processor indicate the status of the route processor, Flash PC Card slots, and interface ports. (See Figure 1-7.)

Note For detailed descriptions of the route processor LEDs, refer to the "Route Processor and Switch Module LEDs" section. For detailed descriptions of the interface module LEDs, refer to the "Interface Module LEDs" section.

Figure 1-7: Route Processor LEDs


Ethernet Port

The route processor includes one 10BaseT RJ-45 Ethernet port that you can use to connect a management workstation for SNMP. (See Figure 1-7.)

Note The Ethernet port on the route processor cannot be used as a routed port.

Flash PC Card Slots

The route processor includes two Flash PC Card slots into which you can install up to two Type II Flash PC Cards. (See Figure 1-8.) You can store the system software and configuration information on these cards. You can also configure the system to boot from a software image stored on a Flash PC Card.

For detailed descriptions of the Flash PC Cards, refer to the "Installing and Removing Flash PC Cards" section.


Figure 1-8: Flash PC Card Slots


Console Port

The route processor includes one console port, shown in Figure 1-9.


Figure 1-9: Console Port


The console port is a female EIA/TIA-232 data communications equipment (DCE), DB-25 receptacle, used for connection to a console terminal or modem.

Note EIA/TIA-232 and EIA/TIA-449 were known as recommended standards RS-232 and RS-449 before their acceptance as standards by the Electronic Industries Association (EIA) and Telecommunications Industry Association (TIA).

Switch Modules

The switch modules reside in slots 5 and 7 of the Catalyst 8540 CSR chassis. You must have two switch modules for proper operation. Each switch module contains the Fast Ethernet Layer 2 and Layer 3 switching engine.


Figure 1-10: Catalyst 8540 CSR Switch Module

The LEDs on the switch module indicate the status of the module. (See Figure 1-11.)

Note For detailed descriptions of the switch module LEDs, refer to the "Route Processor and Switch Module LEDs" section.

Figure 1-11: Switch Module LEDs

ACL Daughter Card

The ACL (access control list) daughter card is a field replaceable unit that can be mounted onto the following Catalyst 8540 CSR interface modules:

Note The eight-port Gigabit Ethernet interface module does not support the ACL daughter card. For ACL hardware requirements, see the section "Installing the ACL Daughter Card" section.

The ACL daughter card (see Figure 1-12) enables users to create lists for network control and security that filter packet flow into or out of router interfaces. For information about installation of the ACL daughter card see the "Installing the ACL Daughter Card" section.


Figure 1-12: ACL Daughter Card

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Posted: Wed Aug 2 15:02:24 PDT 2000
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