Cisco Systems WS-X6608-T1 用户手册

1-3

Cisco Cat alyst 4900M Sw itch Instal lation Guid e

78-18350-02

Chapter 1 Product Overview

Catalyst 4900M Swi tch Chassis

Note

A console cable is not provided as part of the accessory kit. It is available as an op tio n.

Catalyst 4900M Switch Chassis Physical and Environmental Specifications

Table 1 -2

lists the Cataly st 4 900M switch chas sis environmental and physical sp ecificatio ns.

Reset switch

Th e Reset button is used to restart the switch. Use a p ap er clip o r oth er small,
po inted ob ject to p ress the Reset button .

Fan tray

Variable-speed. Field replaceable.

Power sup plies

10 00 W AC-in put and 1 000 W DC-inpu t power supplies are su pported.

Table 1-1

Catalyst 4900M Switch Features (continued)

Feature

Description

Table 1-2

Catalyst 4900M Switch Specifications

Item

Specification

Environmental

Temp eratu re, op erating

Certified for operation: 32 ° to 1 04°F (0 ° to 40° C)

Design ed and tested for operation : 3 2° to 131°F (0° to 55°C)

Note

The Catalyst 4900M s witch is equ ipped with internal air temperature
sens ors that are triggered at 49 °C (120.2°F) generating a minor alarm
and at 64°C (147.2°F) generating a major alarm. The system will shut
down at 67°C (152.6°F).

Temp eratu re, no noperating
and storag e

–40 ° to 167°F (–40° to 75°C)

Humidity (RH), ambient
(noncondensin g) operating

10 % to 90%

Altitu de, operating

Certified for operation: –1 97 to 6562 ft (–60 to 2000 m)

Heat Dissipation

13 64 BTU/ho ur (worst case)

Physical Characteristics

Dimensio ns (H x W x D)

•

3.5 x 17.2 x 17.9 in. (8.9 x 4 3.7 x 4 5.5 cm).

•

Chassis requires 2 RU

1
.

•

Th e Catalyst 490 0M switch chassis is designed to in stall in standard
19 -inch eq uipment racks that meet ANSI/EIA 310-D, IEC 602 97, and
ETS 30 0-1 19 stan dards.

RU = rack un its

Weight

34 .0 lb (15.4 kg) (max)

Airflow

151.7 CFM (max)