ZyXEL Communications ZyXEL P-872H User manual

Copyright © 2007. All rights reserved
ZyXEL P-872H
VDSL Modem with 4-port Switch
Quick Start Guide
Version 3.50
9/2007
Edition 2

P-872H Quick Start Guide
1
Overview
The P-872H (“the Prestige”) is a VDSL modem that provides
super high-speed Internet access through a telephone line.
The Prestige supports high-bandwidth applications such as
video streaming, movies on demand, on-line gaming, video
and Voice over IP (VoIP). The Prestige has a built-in switch
that allows you to connect up to four network devices.
1 Hardware Connections
1 DSL and Phone Connection
Use a telephone wire to connect the Prestige LINE port to
the telephone jack or wall outlet.
Use another telephone wire to connect the Prestige PHONE
port to your telephone.
2 LAN Connection
2
4
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P-872H Quick Start Guide
Use an Ethernet cable to connect any Prestige LAN port (1 -
4) to the computer.
Use Ethernet cables to connect other Prestige LAN ports to
computers too, if you have more computers.
3 POWER Connection
Use the included power adaptor to connect the Prestige
POWER socket to an appropriate power source. (See the
User’s Guide for power adaptor specifications by region).
4 POWER Button
After you’ve made these connections, push in the power
button.
2 Checking the Connections
When you turn on the Prestige,
•ThePWR light turns on if the power is okay.
•TheALM light is off normally, and it turns on if there is
a hardware error. The ALM light also blinks once if the
VDSL connection is dropped (for any reason).
•TheVDSL light blinks slowly while it is waiting for a
VDSL connection, and it turns on when the VDSL con-
nection is established. The light blinks quickly when it
is transmitting or receiving.
•TheLAN lights turn on if the corresponding LAN ports
are properly connected to computers, and they blink
when the corresponding LAN port is transmitting or
receiving.

P-872H Quick Start Guide
3
If the PWR, VDSL, and LAN lights are on, you have set up
the Prestige correctly. Test your Internet connection by
visiting www.zyxel.com (or another Web site).
If the lights behave differently or if you cannot connect to the
web site, see Troubleshooting.
Troubleshooting
PROBLEM CORRECTIVE ACTION
The PWR light
is not on when
I turn on the
Prestige.
You might be using the wrong power adaptor.
Use the included power adaptor only. Refer to
the power specifications.
If you are using the correct power adaptor,
disconnect and re-connect the power adaptor,
and turn on the Prestige again.
If the PWR light is still not on, use a different
power outlet.
If the problem continues, contact your local
vendor.
The ALM light
is on.
The ALM light blinks once if the VDSL
connection is dropped. If the ALM light stays
on, however, contact your local vendor.

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P-872H Quick Start Guide
The PWR light
is on, and the
ALM light is
off--but the
VDSL light is
blinking slowly.
Check the connection from the LINE port to
the telephone jack or wall outlet.
Connect the LINE port to a different telephone
jack or wall outlet.
If the problem continues, contact your DSL
service provider.
The PWR light
is on and the
ALM light is
off--but the
LAN light(s) is
also off.
LAN lights are off if you have not connected a
computer to that LAN port.
Check the Ethernet connection between the
Prestige LAN port and computer.
If the connection is secure, inspect the
Ethernet cable for damage.
If the Ethernet cable does not appear to be
damaged, check the length of the cable.
Ethernet cables must be less than 100 meters.
I cannot
connect to the
Internet.
There might be a problem with your VDSL
settings or phone line. Contact your Internet
Service Provider (ISP) and/or telephone
company.
PROBLEM CORRECTIVE ACTION

P-872H Quick Start Guide
5
Safety Warnings
1For your safety, be sure to read and
follow all warning notices and
instructions.
• Do NOT use this product near water, for example, in a wet
basement or near a swimming pool.
• Do NOT expose your device to dampness, dust or corrosive
liquids.
• Do NOT store things on the device.
• Do NOT install, use, or service this device during a thunder-
storm. There is a remote risk of electric shock from lightning.
• Connect ONLY suitable accessories to the device.
• ONLY qualified service personnel should service or disas-
semble this device.
• Make sure to connect the cables to the correct ports.
• Place connecting cables carefully so that no one will step on
them or stumble over them.
• Always disconnect all cables from this device before servic-
ing or disassembling.

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P-872H Quick Start Guide
• Use ONLY an appropriate power adaptor or cord for your
device. Connect it to the right supply voltage (for example,
110V AC in North America or 230V AC in Europe).
• Do NOT allow anything to rest on the power adaptor or cord
and do NOT place the product where anyone can walk on
the power adaptor or cord.
• Do NOT use the device if the power adaptor or cord is dam-
aged as it might cause electrocution.
• If the power adaptor or cord is damaged, remove it from the
device and the power source.
• Do NOT attempt to repair the power adaptor or cord. Contact
your local vendor to order a new one.
• Do not use the device outside, and make sure all the connec-
tions are indoors. There is a remote risk of electric shock
from lightning.
• Do NOT obstruct the device ventilation slots, as insufficient
airflow may harm your device.
• To reduce the risk of fire, use only No. 26AGW or larger tele-
communication lines coed.
• If you wall mount your device, make sure that no electrical
lines, gas or water pipes will be damaged.

P-872H Quick Start Guide
7
This product is recyclable. Dispose of it
properly.
Certifications and Selected
Specifications
VDSL band plan: ANSI plan 998; certifications: CISPR 22,
EMI results