User's Manual 432 Document #: LTRT-89730
Mediant 3000
22.2 TDM and Timing
This section describes the configuration of the TDM and clock timing parameters.
Note: If you are modifying multiple pages, perform a device reset (if required) only
after you have completed modifying all the required pages (and not after each page).
This ensures that your configuration settings are applied.
22.2.1 Configuring TDM Bus Settings
The TDM page allows you to configure the device's Time-Division Multiplexing (TDM) bus
settings. For a description of these parameters, see ''PSTN Parameters'' on page 962.
 To configure the TDM Bus settings:
1. Open the TDM page (Configuration tab > VoIP menu > TDM & Timing > TDM).
2. Configure the parameters as required.
3. Click Submit.
4. Save the changes to flash memory, see ''Saving Configuration'' on page 672.
22.2.2 Configuring Digital PCM Settings
The Digital PCM Settings page allows you to configure the PCM companding law in
input/output TDM bus, and PCM and ABCD patterns. For a description of these
parameters, see ''PSTN Parameters'' on page 962.
 To configure the digital PCM settings:
1. Open the Digital PCM Settings page (Configuration tab > VoIP menu > TDM &
Timing > Digital PCM Settings).
Figure 22-3: Digital PCM Settings Page
2. Configure the parameters as required.
3. Click Submit.
4. Save the changes to flash memory, see ''Saving Configuration'' on page 672.