ZyXEL Communications P-660RU-Tx 用户手册
Chapter 1 Introducing the P-660RU-Tx
P-660RU-Tx User’s Guide
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1.5 LEDs (Lights)
The following graphic displays the labels of the LEDs.
Figure 2 LEDs on the Top of the Device
None of the LEDs are on if the P-660RU-Tx is not receiving power.
Table 1 LED Descriptions
LED
COLOR STATUS
DESCRIPTION
POWER
Green
On
The P-660RU-Tx is receiving power and ready for use.
Blinking
The P-660RU-Tx is self-testing.
Off
The P-660RU-Tx is not receiving power.
Red
On
The P-660RU-Tx has failed from power self-testing or
there is malfunction.
there is malfunction.
ETHERNET Green
On
The P-660RU-Tx has an Ethernet connection with a
device on the Local Area Network (LAN).
device on the Local Area Network (LAN).
Blinking
The P-660RU-Tx is sending/receiving data to /from the
LAN.
LAN.
Off
The P-660RU-Tx does not have an Ethernet connection
with the LAN.
with the LAN.
DSL
Green
On
The DSL line is up.
Blinking
The P-660RU-Tx is initializing the DSL line.
Off
The DSL line is down.
INTERNET
Green
On
The P-660RU-Tx 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.
assigned by a DHCP server), PPP negotiation was
successfully completed (if used) and the DSL
connection is up.
Blinking
The P-660RU-Tx is sending or receiving IP traffic.
Red
On
The P-660RU-Tx attempted to make an IP connection
but failed. Possible causes are no response from a DHCP
server, no PPPoE response, PPPoE authentication failed.
but failed. Possible causes are no response from a DHCP
server, no PPPoE response, PPPoE authentication failed.
Off
The P-660RU-Tx does not have an IP connection.