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7.1.5 Upstream Burst
Label
Description
Modulation Type
QPSK/16QAM.
Differential Encoding
On/Off
Preamble Length
0-1024 (bits).
Preamble Value Offset
0-1022 (bits).
FEC Error Correction (T)
0 to 10 (0 implies no FEC. The number of codeword parity bytes is 2*T)
FEC Codeword Information Bytes (k)
Fixed: 16 to 253 (assuming FEC on). Shortened: 16 to 253 (assuming
FEC on)
Scrambler Seed
15 bits (Not used if scrambler is off)
Maximum Burst Size
0-255 (mini-slots)
Guard Time Size
4-255 (symbols)
Last Codeword Length
Fixed/shortened
Scrambler on/off
On/Off
7.1.6 Operation Configuration
This page shows the running configuration of cable modem.
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Label
Description
Network Access
Display the status of cable modem, denied means currently
no connectivity is established. Deny the access to Internet.
Allow means allow the access to Internet.
Maximum Downstream Data
Rate
Display the maximum downstream data rate.
Maximum Upstream Data Rate
Display Maximum Upstream Data Rate
Maximum Upstream Channel
Burst
Display Maximum Upstream Channel Burst
Maximum Number of CPEs
Shows the maximum CPE that can be connected at LAN
side to access Internet at the same time.
Modem Capability
Displayed certain configuration, like PHS enabled.
7.1.7 Event Log
Label
Description
First Time
Display the time of the event.
Last Time
Display the last time of the event.
Priority
Event log severity.
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Description
Detail of the event log.
Refresh
Refresh the log record.
Clear Log
Clear all of the logs.
During daily operation and trouble shooting, log is very useful. For example, you can see
“configuration file CVC validation Failure”, this indicates that cable modem failed to validate the
CONFIG file downloaded from MSO’s TFTP server, maybe caused by
error root key. Furthermore,
event logs will be stored unless user clicks “clear log” button. Power cycle reboot will not clear
event logs.
7.2 Gateway
Under gateway, user can configure basic parameters like WAN IP address, LAN IP address, DHCP
and DDNS. Also, advanced setting like DMZ, MAC filtering and port forwarding are included.
7.2.1 Information
User can get an overview of IP address status.
Label
Description
INTERNET SETTINGS
Gateway MAC Address:
Display the MAC Address of Residential Gateway.
Internet IP Address:
Display the Internet IP address.
Subnet Mask:
Display the subnet mask of the Internet IP address.
Default Gateway:
Display the default gateway IP address.
DNS:
Display the DNS server IP address.
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DHCP Remaining Time:
Display the remained DHCP lease time before expiration.
Refresh
Click to refresh the information.
LOCAL SETTINGS
Gateway IP Address:
Display the local IP address of the LAN interface.
Subnet Mask:
Display the subnet mask value.
DHCP Server:
Display the status of DHCP sever feature.
No Server Allowed :
?????
NAT
Display if NAT mode is enabled.
Wireless Status
Display if the wireless feature is active.
Operation Mode
Display the mode the router is running, NAT mode, or Router mode.
IP Range
Display the private IP address scale.
System Up-Time:
Display the accumulated time since the last power cycle.
7.3 Wireless
7.3.1 Basic
This page allows configuration of the Wireless Modem parameters the SSID and channel
number. A wireless LAN can be as simple as two computers with wireless LAN adapters
communicating in a peer-to-peer network or as complex as a number of computers with wireless
LAN adapters communicating through access points which bridge network traffic to the wired
LAN.
Label
Description
Wireless MAC Address
Display MAC address of wireless router’s wireless module.
Network Name (SSID)
The SSID identifies the Service Set with which a wireless station is
associated. Wireless stations associating to the wireless router must have
the same SSID.
Broadcast SSID
Click Enable to allow broadcast of SSID.
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Country
When set to USA, Channel 1 to 11 is available.
If select worldwide, 13 channels are available.
Channel
Select a specific channel to deploy wireless network. This allows you to set
the operating frequency/channel depending on your particular region.
Select a channel from the drop-down list box.
Interface
When set to enabled, wireless clients can access to the network.
Apply
Click to save.
Restore Wireless
Defaults
Click to restore the factory default setting for wireless module.
7.3.2 Security
This page allows configuration of the WEP keys and/or pass phrase.
Label
Description
WPA
Wi-Fi Protected Access (WPA) is a subset of the IEEE 802.11i standard.
Key differences between WPA and WEP are user authentication and
improved data encryption
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