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Zhone 1740 shdsl User Manual

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1740 SHDSL 2/4-Wire Router User’s Guide 
1.2 LED 
Indicators 
There are eight LEDs on the front panel of the router; the functions of the LEDs are described in the table 
below. 
 
 
Figure 1-1 Faceplate LED Indicators 
 
 
LED Color 
Mode 
Function 
On 
Power is supplied  
POWER Green 
Off Power 
is 
not 
supplied 
Off 
No data transmitted or received over the Ethernet link 
On 
The Ethernet link is established 
LAN 1–4  Green 
Flash 
Transmitting or receiving data over Ethernet link 
On 
The physical link through the RJ45 connection cable is 
established 
Flash 
The SHDSL line is training 
SHDSL 
LINK 
Green 
Off 
A SHDSL connection is not established 
On 
Receiving data over the SHDSL link 
SHDSL 
RX  
Green 
Off 
No data receiving over the SHDSL link 
On 
Transmitting data over the SHDSL link 
SHDSL 
TX 
Green 
Off 
No data transmitting over the SHDSL link 
 
8                                                                                      July 2004                                                                 1740-A2-GB20-00