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Page 91 / 132 Scroll up to view Page 86 - 90
Management and Diagnostic Console
86
Voice - Configure Server Page
The Voice - Configure Server page allows you to set up your VoIP server, and is used primarily for test
purposes.
Figure 39. MDC Voice Configure Server Page
Note:
This link is present only if the 2Wire gateway is VoIP-enabled.
Page 92 / 132
Management and Diagnostic Console
87
The Edit VoIP Settings panel displays the current SIP settings, and allows you to edit the settings. The
following table describes the fields.
By default, the
Show CID Names
and
Require Authentication
checkboxes are checked.
Show
CID Names
allows
the gateway to display the configured outbound caller ID information.
Require Authentication
allows the
gateway to use authentication when registering with the SIP proxy.
Use 11-digit DIDs
allows the gateway to
automatically append a “1” to the registration phone number.
Server
IP Address
Corresponds to the SIP proxy address.
Port
Corresponds to the SIP proxy destination port.
Number of Lines
Displays the number of lines allowed on the gateway.
End Point
Domain
Displays the IP domain of the SIP endpoint.
Register Expire Time
Displays the default expiration (in seconds) of the SIP
registration, and indicates how frequently re-registration will
occur.
Register Retry Interval
Indicates the period of time (in seconds) before the gateway will
retry registration after a failed attempt.
Page 93 / 132
Management and Diagnostic Console
88
Troubleshooting - DSL Diagnostics Page
The Troubleshooting - DSL Diagnostics page displays data associated with the 2Wire gateway’s DSL link.
Figure 40. MDC Troubleshooting DSL Diagnostics Page
Analyzing General Information
The General Information pane shows diagnostic information for the current DSL connection (or connection
attempt). These values are also listed in the last row of the Training History pane.
Item
Description
Value
Comment
DSLAM
Lists information about the
DSLAM, including country,
DSLAM vendor, and specifics.
DSL Line
During line search, the value
will alternate between 1 and
2. The “Searching for DSL
signal” comment appears until
the ADSL protocol is
confirmed with the DSLAM on
the current line.
1 or 2.
None
or
Searching for DSL
signal
.
Downstream
Rate Cap
The configured DSL service
downstream speed.
Varies by service
provider.
Page 94 / 132
Management and Diagnostic Console
89
Downstream
Atten. at 300kHz
The measurement (in kbps) of
the decrease in downstream
signal strength.
Varies by service
provider.
Uncancelled Echo
Measure (in dB) of the
uncancelled echo relative to
the background noise on the
line, indicating how much the
uncancelled echo is affecting
DSL performance.
Appropriate values
usually range
between -25dB and
-6dB. A positive
value (for example,
+12) could
indicate the
presence of an
unfiltered
telephony device
and/or an alarm.
Ok
or
Suspicious - check
phone filters and alarm
.
VCXO Frequency
Offset
Indicates the difference
between the gateway’s and the
DSLAM port’s crystal
frequency in parts per million
(ppm).
The ideal value is
zero (0). The
maximum
difference should
be less than 150
ppm.
Ok
or
Suspicious -
hardware frequency
mismatch
.
Final Rx Gain
Indicates the current receive
gain setting (in dB).
Dependent on DSL
line length.
Ok
or
Suspicious -
possible saturation
.
Impulse Noise
Comp. Tones
Indicates the number of
compensation tones on which
impulse noise is detected. For
non-interleaved lines with
impulse noise, the connect
rate will be lowered to avoid
excessive errors on the line;
however, impulse noise may
vary with time, so connect
rates may vary accordingly.
Impulse Noise Compensation
is currently disabled for
interleaved lines.
The ideal value is
zero (0).
Ok
or
Suspicious -
Impulse noise detected
.
Excessive
Impulse Noise
Indicates to what degree
impulse noise is present on
the line.
The ideal value is
zero (0).
Item
Description
Value
Comment
Page 95 / 132
Management and Diagnostic Console
90
Reviewing Training History
The Training History pane provides a record of the last 20 connection attempts. The current connection or
connection attempt is displayed in the last row.
Impulse noise
protection
Measurement of how much
impulse noise can be
mitigated. Dependent on the
current line configuration.
Delay of latency
path
Measurement of how much
delay is introduced.
Dependent on the current line
configuration.
Item
Description
Time
Initially this field will display the time (since power on) in DAYS HH:MM:SS format,
until the gateway can access the Internet and retrieve the current local time.
Subsequently the time (since power on) is displayed in YY:MM:DD and HH:MM:SS
format.
Line
The line (1 or 2) on which the gateway is searching for a DSL signal.
Downstream
Rate
The net user data rate (in kbps) for the connection.
Max 1
Maximum rate achievable at the time of the initial connection based on the line
quality (specifically, the uncapped rate).
Max 2
Latest estimate of maximum achievable rate adjusted for changing line conditions.
Max 3
Current or final estimated maximum achievable rate without impulse noise
compensation.
Mgn 1
Noise margin (in dB) at the start of the connection.
Mgn 2
Latest noise margin adjusted for changing line conditions since the connection was
first established.
Attn
Measured attenuation (in dB) of the line.
Pwr
Transmit power (in dB).
CRCs
Total uncorrected errors for this connection.
FECs
Total corrected errors for this connection.
INP
Impulse noise protection.
DLY
Delay of latency path.
Item
Description
Value
Comment

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