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Zhone 1740 shdsl 用户指南

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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 is being transmitted or received over the 
Ethernet link 
On 
The Ethernet link is established 
LAN 1X–4X  Green 
Flash 
Data is being transmitted or received over the 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 
Data is being received over the SHDSL link 
SHDSL RX   Green 
Off 
No data is being received over the SHDSL link 
On 
Data is being transmitted over the SHDSL link 
SHDSL TX  Green 
Off 
No data is being transmitted over the SHDSL link 
 
1740-A2-GB20-20                                                         May 2005      
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