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P-870MH-C1 Quick Start Guide

3

• If the problem continues, contact your local vendor. 

2

The 

ALARM

 light is on.

• The 

ALARM

 light blinks once during system startup. If 

the 

ALARM

 light stays on, the system startup test has 

failed on your P-870MH-C1. Contact your local vendor.

3

The 

POWER

 light is on, and the 

ALARM

 light is off, but the 

VDSL

 light is blinking slowly.

• Check the connection from the 

DSL

 port to the tele-

phone jack.

• Connect the 

DSL

 port to a different telephone jack.

• Make sure VDSL service is activated for the telephone 

jack.

• If the problem continues, contact your DSL service 

provider.

4

The 

POWER

 light is on and the 

ALARM

 light is off, but the 

ETHERNET

 light(s) is also off.

• The 

ETHERNET

 light is off if you have not connected a 

computer to that port.

• Check the Ethernet connection between the 

ETHER-

NET

 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.

5

I cannot connect to the Internet.

Summary of Contents for P-870MH-C1

Page 1: ...P 870MH C1 VDSL Modem Over POTS Quick Start Guide Version 3 50 12 2006 Edition 1 Copyright 2006 All rights reserved ...

Page 2: ...870MH C1 Refer to the User s Guide for detailed information 1 Hardware Connections 1 DSL Use a telephone wire to connect this port to a telephone wall jack for Internet access 2 ETHERNET Use an Ethernet cable to connect a port to a computer for Internet access 3 POWER Use only the included power adaptor to connect this socket to an appropriate power source Press the button to turn on the P 870MH C...

Page 3: ...ected the hardware and turned on the P 870MH C1 open a web browser on your computer and go to any web site for example www zyxel com to test your Internet connection Troubleshooting 1 The POWER light is not on when I turn on the P 870MH C1 You might be using the wrong power adaptor Use the included power adaptor only If you are using the correct power adaptor disconnect and re connect the power ad...

Page 4: ... the DSL port to a different telephone jack Make sure VDSL service is activated for the telephone jack If the problem continues contact your DSL service provider 4 The POWER light is on and the ALARM light is off but the ETHERNET light s is also off The ETHERNET light is off if you have not connected a computer to that port Check the Ethernet connection between the ETHER NET port and computer If t...

Page 5: ...ontact your Internet Service Provider ISP and or telephone company Procedure to View a Product s Certification s 1 Go to www zyxel com 2 Select your product from the drop down list box on the ZyXEL home page to go to that product s page 3 Select the certification you wish to view from this page ...

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