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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