Altigen ACM 6.7 Administrator's Manual page 164

Configuring the Triton T1/E1 Board
Figure 78. T1 CAS Protocol Configuration dialog box (top half)
Selecting Span Types
T1 CAS—select this option to associate all channels on the span to T1 CAS.
•
• Regular ISDN PRI—select this option to indicate 23B+D ISDN PRI span and to
designate the last channel as the D channel.
Enable Tie Trunk—check this box to enable a tie trunk. Tie trunks must terminate
•
to a system also configured as a tie trunk.
Note:
This option not available when E1 CAS is selected.
Figure 79. E1 PRI Protocol Configuration dialog box (top half)
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MAXCS ACM 6.7 Administration Manual