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3
Web User Interface Instructions
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DDW3612 Subscriber User Guide
•
July, 2010
3
Web User Interface Instructions
This chapter explains how to use all web interface functions for the device.
3.1
Cable Modem - Information
This section explains how to use the
Information
screen of the web interface. The
Information
screen displays the device’s core software configuration.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Information
link from the left side of the screen. Field explanations are
listed below the following screen example.
Label
Description
Cable Modem
The current DOCSIS standard of the device.
MAC Address
The unique Media Access Control (MAC) hardware address of cable
modem.
Serial Number
The unique manufacturer serial number of the device.
Boot Code Version
The boot software code version of the device.
Software Version
The general software version of the device.
Hardware Version
The internal version number that identifies the hardware design.
CA Key
The device installs a Certificate Authority (CA) key that is transferred
from the service provider’s server after the cable modem is
authenticated. The key is used to secure communication between
the service provider and the cable modem.
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3.2
Cable Modem - Status
DDW3612 Subscriber User Guide
•
July, 2010
13
3.2
Cable Modem - Status
This section explains how to use the
Status
screen of the web interface. The
Status
screen displays the device’s general connection information.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Status
link from the left side of the screen. Field explanations are listed
below the following screen example.
Label
Description
Acquired
Downstream
Channel
Displays a Downstream channel that the cable modem is trying to
lock to and the progress.
Ranged Upstream
Channel
Displays an Upstream channel that the device is trying to range with
and the progress.
CM Provisioning
State
After the physical initialization, the cable modem will be configured
by a DHCP server from the service provider. Once the cable modem
obtains an IP address, the cable modem’s status is OK. The Status
column also shows the connection progress. The Comments column
displays the messages indicating connection error information, if
errors occur.
Refresh
Click to refresh the status information.
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3.3
Cable Modem - Downstream
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DDW3612 Subscriber User Guide
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July, 2010
3.3
Cable Modem - Downstream
This section explains how to use the
Downstream
screen of the web interface. The
Downstream
screen displays detailed information on the device’s connection to
downstream channels from the service provider.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Downstream
link from the left side of the screen. Field explanations are
listed below the following screen example.
Label
Description
Frequency
Displays the downstream channel frequency on which the
cable modem is scanning.
Lock Status
Displays if the cable modem succeeded in locking to a
downstream channel.
Channel ID
Displays the downstream channel ID.
Modulation
Displays the modulation method that’s required for the
downstream channel to lock on to by the cable modem.
This method is determined by the service provider.
Symbol Rate
Displays the symbol rate. The current cable modem
downstream symbol rates are: QAM64 is 5056941
sym/sec, QAM256 is 5360537 sym/sec.
Interleave Depth
Displays the current cable modem downstream Interleave
depth (4/8/16/32/64/128/other).
Power Level
Displays the receiver power level after ranging process.
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3.4
Cable Modem - Upstream
DDW3612 Subscriber User Guide
•
July, 2010
15
3.4
Cable Modem - Upstream
This section explains how to use the
Upstream
screen of the web interface. The
Upstream
screen displays detailed information on the device’s connection to
upstream channels to the service provider.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Upstream
link from the left side of the screen. Field explanations are
listed below the following screen example.
RxMER
The Receiver Modulation Error Ratio is used to quantify the
performance of a digital radio receiver in a communications
system using digital modulation.
Correctable Codewords
Displays the quantity of codewords which are correctable.
Uncorrectable Codewords
Displays the quantity of codewords which are not
correctable.
Label
Description
US-1 to US-4
Upstream Channels.
Channel Type
Displays the channel type.
Channel ID
Displays the current cable modem upstream channel ID.
Frequency
Displays the current cable modem upstream frequency
(Hz).
Ranging Status
Displays the upstream ranging status.
Label
Description
Page 20 / 70
3.5
Cable Modem - Operation Config
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DDW3612 Subscriber User Guide
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July, 2010
3.5
Cable Modem - Operation Config
This section explains how to use the
Operation Config
screen of the web interface.
The
Operation Config
screen displays general information on the device’s active
operational capabilities.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Operation Config
link from the left side of the screen. Field explanations
are listed below the following screen example.
Modulation
Displays the current cable modem upstream modulation
type (QPSK/ QAM8 /QAM16/ QAM32/ QAM64/ QAM128/
QAM256).
Symbol Rate
Displays the symbol rate (Ksym/sec).
Upstream Mini-Slot Size
Displays the current cable modem upstream mini-slot size
in Timebase Ticks of 6.25.
Power Level
Displays the current cable modem upstream transmit
power (dBmV).
T-1 through T-4 Timeouts
T-1-Displays DHCP time expiration, T-2-Displays DHCP
time expiration, T-3-Displays RNG-RSP time expiration, T-
4-Displays RNG time expiration.
Label
Description
19216811.live