ZyXEL P-661H-D1 User Guide - Page 21
Introduction, 1.1 Overview, 1.2 Applications for the ZyXEL Device - p 661hnu f1 firmware
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CHAPTER 1 Introduction 1.1 Overview The ZyXEL Device is an ADSL2+ 4-Port Security Gateway with rich features and performance that uses 802.11N technology to maximize the speed and range of your wireless signal. The ZyXEL Device is also a complete security solution with a robust firewall based on Stateful Packet Inspection (SPI) and Denial of Service (DoS) protection. Please refer to the following description of the product name format. • "H" denotes an integrated 4-port hub (switch). • "N" denotes wireless functionality, including 802.11n mode. There is an embedded mini-PCI module for IEEE 802.11 a/b/g/n wireless LAN connectivity. • "U" denotes a USB port used to set up a 3G WAN connection via a 3G wireless dongle or share files via a USB memory stick or a USB hard drive. The ZyXEL Device can also function as a print server with a USB printer connected. • Models ending in "1", for example P-661HNU-F1, denote a device that works over the analog telephone system, POTS (Plain Old Telephone Service). Models ending in "3" denote a device that works over ISDN (Integrated Services Digital Network) or T-ISDN (UR-2). Only use firmware for your ZyXEL Device's specific model. Refer to the label on the bottom of your ZyXEL Device. See the chapter on product specifications for a full list of features. 1.2 Applications for the ZyXEL Device Here are some example uses for which the ZyXEL Device is well suited. P-661HNU-Fx User's Guide 21