AudioCodes Mediant 1000B SBA, Installation And Maintenance Manual

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Installation & Maintenance Manual 178 Document #: LTRT-40111
Mediant 1000B SBA
20.4 Configuring the TDM Bus
The procedure below describes how to configure the TDM bus of the PSTN Gateway.

To configure the TDM bus:
1. Open the TDM Bus Settings page ( Configuration tab > VoIP menu > TDM > TDM
Bus Settings
).
Figure 20-5: TDM Bus Settings Page
2. Configure the TDM bus parameters according to your deployment requirements.
Below is a description of some of the main TDM parameters:
• PCM Law Select: defines the type of PCM companding law in the input/output
TDM bus. Typically, A-Law is used for E1 and Mu-Law for T1/J1.
• TDM Bus Clock Source: defines the clock source to which the PSTN Gateway
synchronizes - generate clock from local source (Internal) or recover clock from
PSTN line (Network).
• TDM Bus Local Reference: defines the physical trunk ID from which the PSTN
Gateway recovers (receives) its clock synchronization when the TDM Bus Clock
Source is configured to recover the clock from the PSTN line.
3. Click Submit to apply your changes.
4. On the toolbar, click Burn to save the changes to the PSTN gateway flash memory.
5. On the toolbar, from the Device Actions drop-down list, choose Reset , and then in the‘
Maintenance Actions’ page, click the Reset button; the Mediant 1000B resets and
your settings are saved to the flash memory.