ZyXEL P-661H Series Bedienungsanleitung PDF herunterladen (Seite 34)

Chapter 1 Getting To Know Your ZyXEL Device

P-661H/HW Series User’s Guide

In the ZyXEL Device product name, “H” denotes an integrated 4-port switch (hub) and “W”

denotes an included wireless LAN card that provides wireless connectivity.

Models ending in “1”, for example P-661H-D1, 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). Models ending in “7” denote a

device that works over T-ISDN (UR-2).

The DSL RJ-11 (ADSL over POTS models) or RJ-45 (ADSL over ISDN models) connects to

your ADSL-enabled telephone line.

" Only use firmware for your ZyXEL Device’s specific model. Refer to the label

on the bottom of your ZyXEL Device.

1.2 Applications for the ZyXEL Device

Here are some example uses for which the ZyXEL Device is well suited.

1.2.1 Protected Internet Access

The ZyXEL Device is the ideal high-speed Internet access solution. It is compatible with all

major ADSL DSLAM (Digital Subscriber Line Access Multiplexer) providers and supports

the ADSL standards as shown in Table 1 on page 33.

The ZyXEL Device provides protection from attacks by Internet hackers. By default, the

firewall blocks all incoming traffic from the WAN. The firewall supports TCP/UDP inspection

and DoS (Denial of Services) detection and prevention, as well as real time alerts, reports and

logs.

Figure 1 Protected Internet Access Applications

1.2.2 LAN to LAN Application

You can use the ZyXEL Device to connect two geographically dispersed networks over the

ADSL line. A typical LAN-to-LAN application example is shown as follows.

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ZyXEL P-661H Series Bedienungsanleitung Seite 34