Chapter 1 Product Overview

Front-Panel Description

Table 1-1

Switch Features (continued)

 

 

 

Feature

 

Description

 

 

Inline Power2

Power for Cisco IP Phones and access points from all 10/100 Ethernet ports

Auto-detection and control of inline power on a per-port basis on all 10/100 ports

Support for fan-fault and overtemperature detection through the Network Assistant and the device manager.

1.Gigabit Interface Converter

2.Only Catalyst 3550-24PWR switch

Front-Panel Description

The switch front panel includes the 10/100 or 10/100/1000 Ethernet ports or 100BASE-FX ports, GBIC module slots, and switch LEDs as shown in Figure 1-3and described on the following pages.

Note Figure 1-3shows the Catalyst 3550-12T switch as an example. All the Catalyst switches have similar components.

Figure 1-3 Switch Front Panel

3

SYSTEM

 

 

 

 

 

 

 

 

 

 

RPS

 

 

 

 

 

 

 

 

 

 

STATUS

 

 

 

 

 

 

 

 

 

 

UTIL

 

 

 

 

 

 

 

 

 

 

DUPLX

 

 

 

 

 

 

 

 

 

 

SPEED

1

2

3

4

5

6

7

8

9

10

MODE

 

 

 

 

 

 

 

 

 

 

1

2

4

Catalyst 3550 SERIES

1

2

5

101603

 

1

Mode button

4

10/100 or 10/100/1000 Ethernet

 

 

 

ports or 100BASE-FX ports1

2

Switch LEDs

5

GBIC slots

 

 

 

 

3

Port LEDs

 

 

 

 

 

 

1.Port numbering is from left to right, with port 1 on the far left. For ports grouped in pairs, the first member of the pair (port 1) is above the second member (port 2). The GBIC slots are numbered 1 (left) and 2 (right) or 1 (above) and 2 (below).

Catalyst 3550 Switch Hardware Installation Guide

1-4

OL-6155-01

 

 

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Image 22
Cisco Systems 3550 manual Front-Panel Description, Feature Description

3550 specifications

Cisco Systems 3550 is a series of enterprise-class multilayer switches that have gained popularity in both enterprise and service provider networks. Introduced in the early 2000s, the 3550 series was designed to meet the increasing demand for advanced networking capabilities, including Layer 2 and Layer 3 switching, making it suitable for various network environments.

A standout feature of the Cisco 3550 is its support for advanced Layer 3 switching capabilities. This means it can perform routing functions similar to traditional routers while maintaining the speed and efficiency of a switch. The 3550 facilitates IP routing, enabling enhanced communication among different subnets without the need for additional routing devices.

The Cisco 3550 series is equipped with a range of ports, typically providing up to 48 Ethernet 10/100 ports and optional Gigabit Ethernet ports, ensuring scalability and flexibility in various network designs. The switches support Power over Ethernet (PoE), allowing the delivery of electrical power through Ethernet cables to connected devices, such as IP phones and wireless access points, streamlining installations and reducing cable management complexity.

Quality of Service (QoS) is another essential feature of the Cisco 3550. The switch supports advanced QoS mechanisms, which provide the ability to prioritize traffic. This is crucial in environments where bandwidth is limited, as it ensures that time-sensitive applications, like VoIP and video conferencing, receive sufficient bandwidth to function optimally.

In terms of security, the Cisco 3550 includes features such as access control lists (ACLs), port security, and VLANs (Virtual Local Area Networks). These features help in segmenting network traffic and preventing unauthorized access to sensitive information, thereby enhancing network security.

The Cisco 3550 is highly regarded for its robustness and reliability, making it a suitable choice for various organizations looking to maintain high availability in their networking environments. Its management capabilities include support for Cisco's IOS software, which offers a command-line interface for configuration, as well as options for SNMP and web-based management tools.

Overall, the Cisco Systems 3550 series is well-regarded for its multilayer switching capabilities, comprehensive feature set, and versatility in meeting the diverse needs of modern networking, making it a favored solution for businesses aiming to build efficient and secure network infrastructures.