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7
In the 'Clock Master' field, select the trunk clock source from the drop-down list. Choose
either 'Recovered' (the clock is recovered from the trunk; default) or 'Generated' (the
trunk's clock source is provided by the internal TDM bus clock source, according to the
parameter 'TDM Bus Clock Source'). For detailed information on the parameter 'TDM
Bus Clock Source', refer to the V6100 Digital Gateway User Guide.
8
In the 'Line Code' field, select the Line Code. Choose either 'B8ZS' (bipolar 8-zero
substitution) for T1 trunks only; 'HDB3' (high-density bipolar 3) for E1 trunks only; or
'AMI' (for both T1 and E1).
9
In the 'ISDN Termination Side' field (applicable only to ISDN protocols), select 'User
Side' when the PSTN or PBX side is configured as 'Network side', and vice-versa. If you
don't know the V6100 ISDN termination side, choose 'User Side' and refer to the 'Status
& Diagnostics>Channel Status' screen. If the D-channel alarm is indicated, choose
'Network Side'.
10 To configure the different behavior bits: either enter the exact hexadecimal value of the
bits in the field to the right of the relevant behavior parameter, or directly configure each
bit field by completing the following steps:
Click the arrow button (-->) to the right of the relevant behavior parameter; a new
window appears.
Modify each bit field according to your requirements.
Click the Submit button to save your changes.
11 After modifying the parameters:
To apply the changes to the selected trunk only, click the Apply Trunk Settings
button.
To apply the changes to all the trunks, click the Apply to all Trunks button.
12 The screen is refreshed, parameters become read-only (indicated by being grayed). The
Stop Trunk button appears at the bottom of the screen.
13 Access the 'TDM Bus Settings' screen (Advanced Configuration>TDM Bus Settings).
In the 'PCM Law Select' field, select 'A-law' for E1 trunks and 'μ-Law' for T1 trunks.
14 To save the changes so they are available after a power fail, click the Save
Configuration button on the main menu bar; the 'Save Configuration to the Flash
Memory' screen is displayed. Click the Save Configuration button in the middle of the
screen; a confirmation message appears when the save is complete.
For more detailed information on configuring the V6100 trunk settings, refer to the V6100
Digital Gateway User Guide.
30
V6100 Digital Gateway Installation Guide
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