Инструкция для ZYXEL GS1920-48

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Chapter 1 Getting to Know Your Switch

GS1920 Series User’s Guide

The following table describes the PoE features of the Switch by model.

This section shows a few examples of using the Switch in various network environments.

1.1.1 Backbone Application

The Switch is an ideal solution for small networks where rapid growth can be expected in the near
future. The Switch can be used standalone for a group of heavy traffic users. You can connect
computers and servers directly to the Switch’s port or connect other switches to the Switch.

In this example, all computers can share high-speed applications on the server. To expand the
network, simply add more networking devices such as switches, routers, computers, print servers
etc.

Figure 1

Backbone Application

1.1.2 Bridging Example

In this example, the Switch connects different company departments (RD and Sales) to the
corporate backbone. It can alleviate bandwidth contention and eliminate server and network
bottlenecks. All users that need high bandwidth can connect to high-speed department servers via
the Switch. You can provide a super-fast uplink connection by using a Gigabit Ethernet/mini-GBIC
port on the Switch.

Moreover, the Switch eases supervision and maintenance by allowing network managers to
centralize multiple servers at a single location.

Table 2

Models and PoE Features

SWITCH MODEL

POE FEATURES

GS1920-24HP and
GS1920-48HP

IEEE 802.3af PoE

GS1920-24HP and
GS1920-48HP

IEEE 802.3 at High Power over Ethernet (PoE)

GS1920-24HP and
GS1920-48HP

Power management mode - Classification

GS1920-24HP and
GS1920-48HP