Altigen ACM 6.7 Administrator's Manual page 165

Figure 80. E1 CAS Protocol Configuration dialog box (top half)
Selecting Span Types
• E1 CAS—select this option to associate all channels on the span to E1 channel
associated signaling.
• Regular ISDN PRI—select this option to indicate 30B+D ISDN PRI span and to
designate the 16th 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 T1 CAS is selected.
Setting the ISDN PRI Switch Mode
If you select a Span Type of Regular ISDN PRI in the T1 PRI Configuration Window, use
the following guidelines to set the ISDN PRI Switch mode.
Figure 81. T1 PRI Switch Mode
The top four settings are used for a connection to a CO switch:
• AT&T 4ESS PRI
Configuring the Triton T1/E1 Board
MAXCS ACM 6.7 Administration Manual 151