Each Cable Modem AutoTest is based on two types of configuration - your selection of channels to be tested and the parameters of your limit sets.

Follow these steps to perform a CABLE MODEM AutoTest:

1) Select AutoTest Key.

The AUTOTEST screen is displayed.

2) On the AUTOTEST screen, use the arrow keys to highlight CABLE MODEM, press ENTER softkey.

The DOCSIS AUTOTEST screen is displayed.

Each DOCSIS AUTOTEST is based on two types of configuration - selection of channel plan and a selection of limit plan.

Channel Plan

3) Use the arrow keys to highlight your channel plan preference in the CHANNEL PLAN drop down box.

4) Press Enter.

Limit Plan

5) Use the arrow keys to highlight your limit plan preference in the LIMIT PLAN drop down box.

6) Press Enter.

Limit-set parameters correspond to each of four available test locations - cable modem, ground block, TV, or tap.

NOTE:
The limit-set parameters you define will remain constant in all channel plans and measurement modes.

NOTE:
The selected limit set will apply to both the physical limits sets and the data limit sets separately. (See Help section on CONFIGURE MEASURE - LIMIT SETS, for more information about limit sets.)

NOTE:
To perform the AutoTest without checking the results against limit values, choose "Off < no limit checking >" from the menu.

7) Press Enter.

SOFTKEYS

Two softkeys on the COMBO AUTOTEST screen provide the following options:

Settings

Access the EDIT TEST POINT COMPENSATION screen or access the EDIT MAC ADDRESS screen
Start

Displays the COMBO AUTOTEST in progress screen

8) When you have selected your preferences, press the START softkey to begin the test.

9) To stop the COMBO AUTOTEST test process at any time, press the STOP softkey. A confirmation dialog box then appears with options of canceling or continuing the process.