Chapter 6 Broadband
VMG8825-B Series User’s Guide
88
6.4 The Advanced Screen
Use the
Advanced
screen to enable or disable ADSL over PTM, Annex M, DSL PhyR, and SRA (Seamless
Rate Adaptation) functions. The VMG supports the PhyR retransmission scheme. PhyR is a retransmission
scheme designed to provide protection against noise on the DSL line. It improves voice, video and data
transmission resilience by utilizing a retransmission buffer.
ITU-T G.993.2 standard defines a wide range of settings for various parameters, some of which are
encompassed in profiles as shown in the next table.
Actions before
over budget
Specify the actions the VMG takes before the time or data limit exceeds.
Enable % of time
budget/data
budget
(Mbytes)/data
budget
(kPackets)
Select
Enable
and enter a number from 1 to 99 in the percentage fields. If you change the value
after you configure and enable budget control, the VMG resets the statistics.
Actions when
over budget
Specify the actions the VMG takes when the time or data limit is exceeded.
Current Cellular
connection
Select
Keep
to maintain an existing cellular connection or
Drop
to disconnect it.
Actions
Enable Email
Notification
Select this to enable the e-mail notification function. The VMG will e-mail you a notification when
there over budget occurs.
Mail Account
Select an e-mail address you have configured in
Maintenance
>
Email Notification
. The VMG
uses the corresponding mail server to send notifications.
You must have configured a mail server already in the
Maintenance
>
Email Notification
screen.
Cellular Backup
E-mail Title
Type a title that you want to be in the subject line of the e-mail notifications that the VMG sends.
Send
Notification to
Email
Notifications are sent to the e-mail address specified in this field. If this field is left blank,
notifications cannot be sent via e-mail.
Interval
Enter the interval of how many minutes you want the VMG to e-mail you.
Enable Log
Select this to activate the logging function at the interval you set in this field.
Basic
Click this to hide the advanced settings of cellular backup.
Apply
Click
Apply
to save your changes back to the VMG.
Cancel
Click
Cancel
to return to the previous configuration.
Table 13 Network Setting
>
Broadband > Cellular Backup (continued)
LABEL
DESCRIPTION
Table 14 VDSL Profiles
PROFILE
BANDWIDTH
(MHZ)
NUMBER OF
DOWNSTREAM
CARRIERS
CARRIER
BANDWIDTH
(KHZ)
POWER (DBM)
MAX.
DOWNSTREAM
THROUGHPUT
(MBIT/S)
8a
8.832
2048
4.3125
17.5
50
8b
8.832
2048
4.3125
20.5
50
8c
8.5
1972
4.3125
11.5
50