ZyXEL Communications P-661H Series - Manual (Page 35)

P-661H/HW Series User’s Guide
Chapter 1 Getting To Know Your ZyXEL Device 35
C
H A P T E R
1
Getting To Know Your ZyXEL
Device
This chapter describes the key features and applications of your ZyXEL Device .
1.1 Introducing the ZyXEL Device
The ZyXEL Device is an ADSL2+ gateway that allows super-fast, secure Internet access over
analog (POTS) or digital (ISDN) telephone lines (depending on your model).
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.
Note: Only use firmware for your ZyXEL Device’s specific model. Refer to the label on
the bottom of your ZyXEL Device.
1.2 Features
High Speed Internet Access
The ZyXEL Device is compatible with the ADSL/ADSL2/ADSL2+ standards. Maximum data
rates attainable for each standard are shown in the next table.
Table 1 ADSL Standards
DATA RATE STANDARD UPSTREAM DOWNSTREAM
ADSL 832 kbps 8Mbps
ADSL2 3.5Mbps 12Mbps
ADSL2+ 3.5Mbps 24Mbps