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18
CHAPTER 1
Getting to Know Your Switch
1.1 Introduction
This chapter introduces the main features and applications of the Switch. The GS1920 Series
consist of the four following models:
• GS1920-24
• GS1920-24HP
• GS1920-48
• GS1920-48HP
Referring to PoE model(s) in this User's Guide only applies for GS1920-24HP and GS1920-48HP.
The Switch is a layer-2 standalone Ethernet switch with additional layer-2, layer-3, and layer-4
features suitable for Ethernets.
With its built-in web configurator, including the ZyXEL One Network (ZON) Neighbor Management
feature (Section 7.4 on page 56), viewing, managing and configuring the Switch and its
neighboring devices is easy. The Switch can also be managed via third-party SNMP management.
In addition, ZyXEL offers a proprietary software program called ZyXEL One Network (ZON) Utility, it
is a utility tool that assists you to set up and maintain network devices in a more simple and
efficient way. You can download the ZON Utility at www.zyxel.com and install it on a PC. For more
information on ZON Utility see (Section 7.3 on page 55).
The following table describes the port features of the Switch by model.
The GS1920-48HP comes with a Power-over-Ethernet (PoE) feature. The GS1920-48HP supports
the IEEE 802.3at High Power over Ethernet (PoE) standard and IEEE 802.3af PoE standard.
Key feature differences between Switch models are as follows. Other features are common to all
models.
Table 1 Models and Port Features
SWITCH MODEL PORT FEATURES
GS1920-24 and GS1920-24HP • 24 10/100/1000 Mbps Ethernet ports
• 4 GbE dual personality interfaces
GS1920-48 and GS1920-48HP • 44 10/100/1000 Mbps Ethernet ports
• 4 GbE dual personality interfaces
• 2 SFP interfaces
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