User's Manual

ARCXTEND USER MANUAL – R1.4, ISSUE 4

TFTP server IP Address: Enter the TFTP (Trivial File Transfer Protocol) server’s IP address.

Firmware Upgrade Filename: Enter the file name of the ARCSmart controller firmware to be

downloaded to the Hub.

Start Upgrade: Click the “Apply” button to initiate the download. The download of the new

controller firmware will take one to two minutes. The download can be verified by refreshing the

page. The version number of the downloaded firmware should be displayed in the Firmware

Version Number box under in the Real Time Monitor Information table.

Advanced Network Management Features

Plug-n-Play

ARCSmart has the ability to automatically program and modify Hub settings with the same DOCSIS

downstream and upstream channel information being received by the ECM. To activate this feature,

set Auto Frequency Set to “ENABLE”. With this activate, whenever the ECM detects a change in

the downstream or upstream channel it will propagate this change to the appropriate Hub settings.

This includes information sent in a Station Maintenance Message (SMM) Notification-US Frequency

Change.

Downstream frequency agility

ARCSmart has the ability to automatically “tune” to a downstream channel on the cable network. To

activate this feature, set Cable Interface Control to “On”.

Settable Hub Transmit Power

The wireless transmitter output of the Hub, determined by the Select Downstream Power setting,

can be set for on of three modes:

• High or 19 dBm

• Medium or 13 dBm

• Low or 3 dBm

Note: The “High” power setting is for use with the AX1255-SM-90 and AX1255-VM-90 Network

Hubs. Use of the “High” power setting with the AX1255-SM-25 cancels the FCC certification and

voids the operator’s authority to operate the unit in the 5.8 GHz band.

PureBurst Ingress Noise Suppression

PureBurst effectively functions as a door. When there is no wireless upstream signal being received

the Hub, this door is closed. When closed, the Hub does not output any noise onto the cable plant.

Therefore, when other subscribers are transmitting in the upstream to the CMTS, the wireless hub

does not contribute to the cable plant’s noise floor.

When a cable modem utilizing the wireless upstream link is transmitting the door is open. During

this time the Hub allows the upstream signal plus Hub related thermal noise to pass onto the cable

plant. Closing of the door results in the cable plant’s U/S noise floor returning to its previous level.