User guide

Ubee U10CO35 Cable Modem User Guide, v10_30_10
Ubee Interactive 16
current provisioning state.
Ethernet Link Status
Displays the current link status of the Ethernet interface.
The Status field displays Up/Down to indicate if there are
devices (for example, PCs) connected to the Ethernet
interface. The Comments field displays speed and the
duplex type of connected devices.
3.6 Downstream
Use the following procedure to review detailed information regarding the cable modem’s acquisition and use of
downstream channels from the service provider.
1. Access the web interface. Refer to page 13 for instructions if required.
2. Click Downstream from the left-side of the screen.
3. Instructions are provided below the following example.
Item
Description
Frequency
Displays the current cable modem downstream frequency
(Hz).
Lock Status (QAM Lock/FEC
Lock/MPEG Lock)
Displays the current cable modem downstream lock status.
It contains three sub-items, QAM Lock, FEC Lock, and
MPEG Lock.
Channel ID
Displays the current locked downstream channel ID.
Modulation
Displays the current locked downstream modulation type
(QAM64/ QAM256).
Symbol Rate (Msym/sec)
Displays the current locked downstream symbol rate
(QAM64 is 5.056941 Msym/sec, QAM256 is 5.360537
Msym/sec).
Interleave Depth
Displays the current locked downstream interleave
characteristics. I is number of taps, and J is the increment.