ZyXEL Communications IES4005M - Page 177

Chapter 24 VDSL
IES4005M User’s Guide
177
clear interface dsl <slot/
portlist> performance
Clears the current or historical 15-minutes and 1-day DSL line
status for the specified DSL ports.
E13
show interface dsl <slot/
portlist> performance current|15-
min|1-day
Displays the current or historical 15-minutes and 1-day DSL line
status for the specified DSL ports.
E13
show interface dsl <slot/
portlist> line
Displays the detailed DSL line information for the specified DSL
ports.
E13
show interface dsl <slot/
portlist> channel
Displays the detailed DSL channel information for the specified
DSL ports.
E13
show interface dsl <slot/
portlist> band
Displays the DSL band information for the specified DSL ports. E 13
show interface dsl <slot/
portlist> medleypsd
Displays the DSL medley psd information for the specified DSL
ports.
E13
show interface dsl <slot/
portlist> qln
Displays the DSL Quiet Line Noise (QNL) level information for the
specified DSL ports.
E13
show interface dsl <slot/
portlist> snr
Displays the DSL SNR information for the specified DSL ports. E 13
show interface dsl <slot/
portlist> hlog
Displays the DSL HLOG information for the specified DSL ports.
These channel characteristics can be used in analyzing the
physical condition of the ADSL or VDSL line. The format provides
magnitude values in a logarithmic scale.
E13
show interface dsl <slot/
portlist> bitalloc
Displays the number of bits transmitted for each DMT tone for the
specified DSL ports. The better (or shorter) the line, the higher
the number of bits transmitted for a DMT tone. The maximum is
15.
E13
dsl diagnostic delt <slot/
portlist>
Performs the DSL Dual End Loop Test (DELT) test on the specified
DSL ports. ADSL ports must use ADSL, ADSL2, or ADSL2+
operational mode and have a connection. VDSL port must use
VDSL2, ADSL2 or ADSL2+ operational mode and have a
connection. The subscriber device must also support DELT.
It takes about one minute for the loop diagnostics to finish.
E13
show interface dsl <slot/
portlist> diagnostic delt
result|hlin|hlog|qln|snr
Displays the DSL DELT test results for the specified DSL ports. Use
the loop diagnostics results to analyze problems with the physical
ADSL or VDSL line.
E13
dsl diagnostic selt <slot/
portlist>
Performs the Single End Loop Test (SELT) on the specified DSL
ports to check the distance to the subscriber.
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.
E13
show interface dsl <slot/
portlist> diagnostic selt
Displays the SELT results (such as line type and loop length) for
the specified DSL ports.
E13
dsl diagnostic oamf5 <slot/port>
<vpi/vci>
Performs an OAM F5 loopback test on the specified ATM PVC of the
specified DSL port.
C13
show interface dsl <slot/
portlist> diagnostic oamf5
Displays the OAM F5 loopback test results for the specified DSL
port.
E13
Table 116 VDSL Commands Summary (continued)
COMMAND DESCRIPTION M P