Chapter 47 Diagnostic
IES-1248-51V User’s Guide
349
SELT Select a port number from the Port drop-down list box and click Set
SELT Port to perform a Single End Loop Test (SELT) on the specified
port. This test checks the distance to the subscriber’s location.
Note: The port must have an open loop. There cannot be a DSL
device, phone, fax machine or other device connected to
the subscriber’s end of the telephone line.
The SELT takes at least fifteen seconds. To check the status of the
SELT or to look at the results when the SELT is complete, select a port
number from the Port drop-down list box and click Get SELT Data.
The results tell you what gauge of telephone wire is connected to the
port and the approximate length of the line.
PMM Select a port number from the Port drop-down list box and a power
management mode from the Mode drop-down list box and click Set
PMM Mode to have the specified port use the specified power
management mode.
Select L0 to turn off power management on the port.
Select L2 to scale back the power usage to just support the
transmission rate that the subscriber is using.
Select L2 to have the ADSL connection use power saving mode and
reduce the rate when there is no traffic. The rate comes back up when
there is traffic.
The ADSL port must be set to ADSL2 or ADSL2+ ADSL operational
mode.
Click Get PMM Mode to display which power mode the ADSL port is
currently set to use.
ToneDiag Select a port number from the Port drop-down list box. The ADSL
port must be set to ADSL2 or ADSL2+ ADSL operational mode and
have a connection. Click Get ToneDiag data to display the ADSL
port’s tone diagnostics. The tone diagnostic information displays in
the format defined in the ITU-T G.992.3 standard. Use the
information to analyze problems with the physical ADSL line.
Note: ToneDiag is faster than the LDM test but displays less
information.
Table 121 Diagnostic (continued)
LABEL DESCRIPTION
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