Technicolor CGA4131 - DOCSIS Signal

3/6/2018 Proprietary and Confidential - Technicolor 24
5.6 DOCSIS Signal
Status Tab / DOCSIS Signal
The DOCSIS Signal page displays the plant information on which the modem is connected.
Click on the Status tab then click on DOCSIS Signal.
Upstream Bonding:
This section displays information about RF upstream Bonding, including upstream channel
ID, Upstream Lock Status, Channel Type, Centre Frequency, Band Width, Modulation, and
Power Level (Tx Power level at gateway for the particular channel).
• Upstream Bonding - Number of channels locked to upstream which can be used for
upstream data transfer
• Upstream channel ID - The CMTS identification of the upstream channel
• Upstream Lock Status- Displays Locked if QAM and FEC are locked (indicates that
the channel is usable)
• Upstream Channel Type - Displays if it is a SC-QAM channel (Phy type 3) or a
OFDMA channel (Phy type 5)
• Upstream CenterFrequency - The center of the frequency band associated with this
upstream interface. Displays 0 if the frequency is undefined or unknown.
• Upstream Band Width-The bandwidth of this upstream interface as configured on
the CMTS (Generally 1.6MHz, 3.2Mhz or 6.4MHz)
• Upstream Modulation - Displays the modulation used on upstream ATDMA, TDMA,
SCDMA or MTDMA
• Upstream Power Level- Transmit power level at which the cable modem is
transmitting on the respective channel
Downstream Bonding:
This section displays information about the RF downstream bonding with downstream
channel ID, Downstream Lock status, Downstream Bond Status, Downstream Channel
Type, Downstream Centre Freq., Downstream Band Width, Modulation, Power Level (Rx
power level at the gateway for the specific channel) and SNR Level.
• Downstream Channel ID-The CMTS identification of the downstream channel within
this particular MAC interface. If the interface is down, displays the most current value.
If the downstream channel ID is unknown, 0 is displayed.
• Downstream Lock Status -Displays Locked if QAM and FEC are locked (indicates
that the channel is usable)
• Downstream Bonding-Number of channels locked to downstream which can be used
for downstream data transfer
• Downstream Channel Type -Displays if it is a SC-QAM channel or a OFDM channel
• Downstream Centre Frequency-The center of the downstream frequency associated
with this channel
• Downstream Band Width -The bandwidth of this downstream channel. Most
implementations are expected to support a channel width of 6 MHz (North America).