Zhone 2000 ユーザーガイド

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201
SDSL Diagnostics
To perform SDSL diagnostics, type “S” on the Diagnostics menu. The IAD 
displays the SDSL Diagnostics menu:
Figure 7.4
SDSL Diagnostics Menu 
To perform a type of transmission, type the specific option. For option “P”, 
select the level to begin the transmission. Press any key to terminate the test. 
Troubleshooting the IAD
This section provides information for troubleshooting symptoms associated 
with the operation of the IAD. The table below describes symptoms and 
probable causes, and suggests what action can be taken to correct the 
problem.
Symptom
Probable Cause
Corrective Action
Power indicator is not lit
Power is not available 
to the IAD
Ensure the power cord is 
securely connected.
Ensure the power cord is 
plugged into a live outlet.
Ensure the power switch is on.
If powered by an adapter, 
ensure the correct adapter is 
used.
LAN Link indicator is not lit
Incorrect Ethernet 
connection
Ensure an Ethernet cable is 
properly connected to the IAD 
and its upstream connection.
No dial tone is present
Incorrect PVC/DLCI 
set for voice channel
Verify these settings:
VPI: 0 to 255
VCI: 0 to 65535
DLCI: 16 to 1023
(default PVC 0/39; DLCI 33)