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Basic G.SHDSL and T1/E1 test modes
75
Model 3096RC T-DAC Getting Started Guide
5 • Troubleshooting and maintenance
Basic G.SHDSL and T1/E1 test modes
Model 3096RC T-DACS offer a variety of test modes for individual G.HSDSL and T1/E1 ports that are of out-
standing value when initially installing or troubleshooting connections on the G.SHDSL or T1/E1 side.
G.SHDSL port test modes
Diagnostics loops for the 3096RC G.SHDSL ports include:
•
Local loop
•
Remote serial
•
Remote Ethernet
•
Line loop
Local loop
This loop tests the operation of the selected DSL port. Data transmitted to the port is looped at the DSL port.
For example, as shown in
figure 55
, if DSL port 1 is mapped to T1/E1 port 1, data arriving at the T1/E1 port
and passed by the DACS to DSL port 1, is looped and sent back to T1/E1 port 1.
Figure 55. Local loopback
ALARM
Rear blade Yellow On solid A minor alarm condition has been detected.
Flashing A major alarm condition has been detected.
Off
The Model 3096RC is operating normally. No action
recommended.
READY
Rear blade
Blue
On
Card ready for removal from cPCI chassis.
Off
Card not ready for removal from cPCI chassis.
Do not remove card from chassis.
a. This LED provides status indications for the WAN links established via the T1/E1 ports on the Rear Blade of
the 3096RC
b. Revisions A and B of the Model 3096RC are configured with a single DSL LED on the front panel. When lit,
the DSL LED indicates that one or more G.SHDSL ports has successfully established a link and no G.SHDSL
ports have errors; when flashing, the LED indicates that one or more G.SHDSL ports have errors; and when
extinguished, the LED indicates that no G.SHDSL ports have been configured to establish a link.
Table 8. LED definitions (Continued)
LED
Location
Color
Status
Meaning
3096RC
T1/E1 port 1
DSL port