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1.1 Overview
The P-873HNUP-51B is a wireless VDSL router and Gigabit Ethernet gateway with Home Phoneline
Networking Alliance (HPNA) capability. It has two DSL ports and a Gigabit Ethernet port for super-
fast Internet access over analog (POTS) telephone lines. If the DSLAM of the ISP supports bonding
function, the two DSL ports on the P-873HNUP-51B can be connected to two separate telephone
jacks to provide increased throughput at longer distances. The ZyXEL Device supports both Packet
Transfer Mode (PTM) and Asynchronous Transfer Mode (ATM). It is backward compatible with ADSL,
ADSL2 and ADSL2+ in case VDSL is not available. The P-873HNUP-51B also provides IEEE
802.11b/g/n wireless networking to extend the range of your existing wired network without
additional wiring.
Please refer to the following description of the product name format.
• "H" denotes an integrated 4-port switch (hub).
• "N" denotes 802.11n draft 2.0. The "N" models support 802.11n wireless connection mode.
• "U" denotes a USB port. The ZyXEL Device supports a flash disk (FAT16/FAT32 format), which
FTP clients can access.
• "P" denotes a device that has Home Phoneline Networking Alliance (HPNA) capability.
• Model names ending in "1", for example P-873HNUP-51, denote a device that works over the
analog telephone system, POTS (Plain Old Telephone Service). The DSL RJ-14 connects to your
ADSL-enabled telephone lines.
Only use firmware for your ZyXEL Device's specific model. Refer to the
label on the bottom of your ZyXEL Device.
See
Chapter 34 on page 273
1.2 Ways to Manage the ZyXEL Device
Use any of the following methods to manage the ZyXEL Device.
• Web Configurator. This is recommended for everyday management of the ZyXEL Device using a
(supported) web browser.
• TR-069. This is an auto-configuration server used to remotely configure your device.
P-873HNUP-51B User's Guide
Introducing the P-873HNUP-51B
for a full list of features.
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