Cisco Internet Router Cisco 12404 Manuale utente

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APPENDIX

Technical Specifications

Overview

Appendix A provides the technical specifications for the Cisco 12404 Internet

router, and procedures for repackaging the router.

•Product Architecture, page A-2

•Fan Tray Assembly, page A-25

•Air Filter, page A-27

•Chassis Cable-Management System, page A-28

•Maintenance Bus, page A-28

This appendix includes the following environmental specifications.

•Temperature, humidity, and altitude ranges

•Operating and storing the product

•Memory requirements

•Physical characteristics

•Dimensions and weight

•Power supply characteristics

•Output capacity

•Power dissipation

•Heat dissipation

Appendix A Technical Specifications

Product Architecture

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•Voltage frequency

•Listing agency approvals

Product Architecture

Table A-1 lists system level requirements for the Cisco 12404 Internet router.

Table A-1 Cisco 12404 Internet Router Product Architecture

Feature Description

Slot Capacity 4 slots

3 OC192 capable I/O slots

1 RP slot that is 10G capable

1 CSF/alarm card

Chassis One card cage with five slots, three OC192 pitch slots, one RP

slot and one CSF slot

Height Not to exceed 8.75 inches; supports 8 systems per 7 ft. rack

Width 19 inch rack mountable

Depth 27.85 in. (70.74 cm) maximum

Switching

Capacity

10 Gbps full-duplex switching capacity per slot.

This includes the RP slots. Each slot capable of supporting all

current and future Engine 0, Engine 1, Engine 2, Engine 3 and

Engine 4 based line cards.

Specific interfaces include OC192c, QOC48c, 10GE,

10x1GE, etc, 3xGE, 1xGE, 8xFE and other 10GiG cards.

The switching capacity is required to handle all four 10GiG

capable slots (including RP), thus the total switching capacity

will be 80 Gbps full-duplex

Cooling Side-to-side cooling

Power Supplies 110V AC

220V AC

DC (optional)

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Appendix A Technical Specifications

Product Architecture

Specifications

Table A-2 lists Cisco 12404 Internet router physical specifications. Table A-3

lists the environmental specifications.

Feature Description

Power

Requirements

110V AC power, sufficient to handle three OC192c /10GE

capable line cards and one 10G capable RP.

Total power supplied to the system should not exceed

1200VA

Two AC or DC power supplies in redundant configuration

should be able to support the entire power needs of the

chassis.

Power Supply

Redundancy

Redundant and load sharing AC power entry module (PEMs),

Redundant and load sharing DC PEMs and DC power

distribution units (PDUs)

Route

Processors

Supports up to 2 RPs per system

The second RP can be used in any slot1

The first RP is inserted in slot 0 (1.25 inch height) see

Figure A-4

Route

Processor

Redundancy

Supports online insertion and removal, hot swappable RP

redundancy

Switch Fabric The switch fabric supports up to 80 Gbps of capacity

NEBS The Cisco 12404 Inernet Router is designed to comply with

NEBS Level 3 certification

1. A narrow card filler panel must be used to ensure proper air flow through the chassis and

electromagnetic compatibility (EMC)

Table A-1 Cisco 12404 Internet Router Product Architecture (continued)

Appendix A Technical Specifications

Product Architecture

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Table A-2 Cisco 12404 Internet Router Physical Specifications

Description Value

Frame height 8.75 inches (22.2 cm)

Frame width 19 inches (48.3 cm)

Frame depth 26 inches (66.0 cm)

Weight

Maximum configuration

Minimum configuration

103 pounds (46.7 kg)

73 pounds (33.1 kg) (without line cards)

Table A-3 Cisco 12404 Internet Router Environmental Requirements

Environmental

Requirements Ranges

Temperature 32 to 104F (0 to 40 C) operating

-4 to 149F (-20 to 65 C) non-operating

-5 to 133F (-23 to 55 C) Max operating for 96 hrs.

only

Humidity 10 to 90% non-condensing operating

5 to 95% non-condensing non-operating

Altitude 0 to 10,000 ft. (0 to 3,050 m) operating

0 to 30,000 ft. (0 to 9,144 m) non-operating

Heat dissipation 3,343 Btu/hr. maximum

Cooling Facing the router, right side-to-side cooling

Shock 5 to 500 Hz, 0.5g (0.1 oct/min1) operating

5 to 100Hz, 1g (0.1 oct/min) non-operating

100 to 500Hz, 15g (0.2 oct/min)

500 to 1,000Hz, 1.5g (0.2 oct/min)

1. oct/min = Octave per minute

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Appendix A Technical Specifications

Product Architecture

Warning

Exhaust from other equipment vented directly into the Cisco 12404 Internet

router air inlet may cause an over-heat condition. Install the router so that it is

protected from a direct flow of hot air from other equipment.

AC-Powered Routers

At sites where the Cisco 12404 router operates with AC PEMs, observe the

following guidelines.

•A power factor corrector (PFC) allows the PEM to accept AC power source

voltage from an AC power source operating between 100–120 VAC, 15–Amp

service in North America; and a range of 185–264 VAC, 10–Amp service, in

an international environment.

•All AC PEM power cords measure 14 feet (4.3 meters).

•Provide a dedicated power source for each PEM installed in the router.

•Install an uninterruptable power source where possible.

AC Power Plugs

Different styles of AC input power cords are shown in Figure A-1.

Appendix A Technical Specifications

Product Architecture

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Figure A-1 AC Power Plugs

Route Processor

Each Cisco 12404 Internet router has one main system (or route) processor. The

route processor (RP) processes the network routing protocols and distributes

updates to the Cisco Express Forwarding (CEF) tables on the line cards. The RP

also performs general maintenance functions, such as diagnostics, console

support, and line card monitoring.

Two types of RPs are available for the Cisco 12404 Internet router:

•Gigabit Route Processor (GRP)

•Performance Route Processor (PRP)

66969

North American plug

L6-20 20A

(for 240V units)

Australian plug

AS 3112 10A

European plug

CEE 7/7 16A

Italian plug

CEI 23-16/VII 10A

United Kingdom plug

BS 1363 13A

North American plug

5-15 15A

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Appendix A Technical Specifications

Product Architecture

Gigabit Route Processor

This section provides an overview of the GRP (Figure A-2) and its use as the main

system processor for the Cisco 12404 Internet router.

This section provides information on the following GRP functionality.

•GRP memory

•System status LEDs

•Soft reset switch

•PCMCIA slots

•Asynchronous serial ports

Figure A-2 Gigabit Route Processor

The following are primary functions of the GRP.

•Loading the Cisco IOS software to all of the installed line cards at power on

•Providing a console (terminal) port for router configuration

•Providing an auxiliary port for other external equipment (such as modems)

•Providing an IEEE 802.3, 10/100-megabit-per-second (Mbps) Ethernet port

for Telnet functionality

•Running routing protocols

•Building and distributing routing tables to the line cards

•Providing general system maintenance functions for the router

The GRP communicates with the line cards either through the CSF or through the

maintenance bus (MBus). The CSF connection is the main data path for routing

table distribution as well as for packets that are sent between the line cards and

the GRP.

SLOT-0

GIGABIT ROUTE PROCESSOR

SLOT-1

COLL

LINK

RJ-45

MII

RESET

AUX

CONSOLE

EJECT

57074

Appendix A Technical Specifications

Product Architecture

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The MBus connection allows the GRP to download a system bootstrap image,

collect or load diagnostic information, and perform general, internal system

maintenance operations. The GRP plugs into any slot in the card cage in the

Cisco 12404 Internet router. The router is shipped with 20MB of Flash memory

as the default configuration.

GRP Memory

Memory components of the GRP are listed in Table A-4.

Table A-4 GRP Memory Components

Type Size Quantity Description

DRAM 641to 256 MB

1. 64 MB of DRAM is the default DRAM configuration for the GRP.

1 or 2 64- or 128-MB DIMMs (based on DRAM required) for

main Cisco IOS software functions.

DIMM 3.3-volt, 60 nanosecond device

SRAM 512 KB

(fixed)2

2. SRAM is not able to be upgraded or configured.

SRAM for secondary CPU cache memory functions.

NVRAM 512 KB

(fixed)3

3. NVRAM is not able to be upgraded or configured.

Nonvolatile random-access memory (NVRAM) for the

system configuration file.

Flash Memory

(SIMM)4

4. SIMM socket is wired for a Cisco design and does not accept industry-standard 80-pin Flash SIMMs.

8 MB 1 Contains Cisco IOS software images and other

user-defined files on the GRP.

Flash Memory

(card)

20 MB5

5. 20-MB Flash memory card is the default shipping configuration for the Cisco 12404 Internet router.

Up to 2 Contains Cisco IOS software images and other

user-defined files on up to two PCMCIA-based Flash

memory cards.

Flash boot

ROM

512 KB 1 Flash EPROM for the ROM monitor program boot

image.

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Appendix A Technical Specifications

Product Architecture

The Cisco IOS software images that run the Cisco 12404 router reside in Flash

memory, which is located on the GRP in the form of a single in-line memory

module (SIMM), and on up to two (PCMCIA) cards (called Flash memory cards)

that insert in the two PCMCIA slots on the front of the GRP. Storing the Cisco

IOS images in Flash memory enables you to download and boot from upgraded

Cisco IOS images remotely or from software images resident in GRP Flash

memory.

The Cisco 12404 router supports system software downloads for most Cisco IOS

software upgrades, which enables you to remotely download, store, and boot from

a new Cisco IOS image. See Figure A-2.

DRAM

The EDO DRAM on the GRP stores routing tables, protocols, and network

accounting applications; it also runs the Cisco IOS software. The default GRP

DRAM configuration is 64 megabytes of EDO DRAM, which you can increase up

to 256 MB through DRAM upgrades. The Cisco IOS software runs from within

GRP DRAM. Table A-5 lists the DRAM configurations and upgrades.

Caution To prevent memory problems, DRAM DIMMs must be 3.3-volt, 60-nanosecond

devices. Do not attempt to install other devices in the DIMM sockets.

Table A-5 DRAM Configurations

Total DRAM Product Numbers DRAM Sockets Number of DIMMs

64 MB1

1. 64 MB of DRAM is the default DRAM configuration for the GRP.

MEM-GRP/LC-64(=) U39 (bank 1) One (1) 64-MB

DIMM

128 MB MEM-GRP/LC-64(=) U39 (bank 1) and

U42 (bank 2)

Two (2) 64-MB

DIMMs

128 MB MEM-GRP/LC-128(=) U39 (bank 1) One (1) 128-MB

DIMM

256 MB MEM-GRP/LC-256(=) U39 (bank 1) and

U42 (bank 2)

Two (2) 128-MB

DIMMs

Appendix A Technical Specifications

Product Architecture

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SRAM

The SRAM provides secondary CPU cache memory. The standard GRP

configuration is 512 KB. The principle function of SRAM is to act as a staging

area for routing table update information to and from the line cards. SRAM is not

able to be upgraded or configured.

NVRAM

The system configuration, software configuration register settings, and

environmental monitoring logs are contained in the 512-KB NVRAM, which is

backed up with built-in lithium batteries that retain the contents for a minimum of

5years.NVRAMisnot able to be upgraded or configured

Caution Before you replace the GRP in the system, back up the running configuration to a

Trivial File Transfer Protocol (TFTP) file server or an installed Flash memory

card so you can retrieve it later.

If the configuration is not saved, the entire configuration is lost inside the

NVRAM on the removed GRP and you must re-enter the entire configuration

manually.

This procedure is not necessary if you are temporarily removing a GRP; lithium

batteries retain the configuration in memory until you replace the GRP in the

router.

Flash Memory

Both the onboard and PCMCIA card-based Flash memory allow you to remotely

load and store multiple Cisco IOS software and microcode images. You can

download a new image over the network or from a local server and then add the

new image to Flash memory or replace the existing files. You can then boot the

routers either manually or automatically from any of the stored images. Flash

memory also functions as a TFTP server to allow other servers to boot remotely

from stored images or to copy them into their own Flash memory.

PCMCIA Slots

The GRP has two PCMCIA slots. Either slot can support a Flash memory card or

an input/output (I/O) device as long as the device requires only +5 VDC.

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