ZyXEL Communications P-870HW-51a v2 User Manual

Chapter 1 Introducing the ZyXEL Device

P-870HW-51a v2 User’s Guide

Refer to the Quick Start Guide for information on hardware connections. 

If you forget your password or cannot access the web configurator, you will need 
to use the RESET button at the back of the device to reload the factory-default 
configuration file. This means that you will lose all configurations that you had 
previously and the password will be reset to “1234”. You can also use the 

Make sure the POWER LED is on (not blinking).

To set the device back to the factory default settings, press the RESET button for 
ten seconds or until the POWER LED begins to blink and then release it. When the 
POWER LED begins to blink, the defaults have been restored and the device 
restarts.

WLAN/
WPS

Green

On

The wireless network is activated and is operating in IEEE 
802.11b/g mode.

Blinking

The ZyXEL Device is communicating with other wireless 
clients.

Orange Blinking

The ZyXEL Device is setting up a WPS connection.

Off

The wireless network is not activated.

DSL

Green

On

The DSL line is up.

Blinking

The ZyXEL Device is initializing the DSL line.

Off

The DSL line is down.

INTERNET

Green

On

The ZyXEL Device has an IP connection but no traffic.

Your device has a WAN IP address (either static or 
assigned by a DHCP server), PPP negotiation was 
successfully completed (if used) and the DSL connection 
is up.

Red

On

The ZyXEL Device attempted to make an IP connection 
but failed. Possible causes are no response from a DHCP 
server, no PPPoE response, PPPoE authentication failed.

Off

The ZyXEL Device does not have an IP connection.

Table 1   LED Descriptions