3Com SuperStack 3 NBX Administrator's Manual page 264

264 C 3: D
HAPTER EVICE
C
ONFIGURATION
To verify that the span status changes from Offline to Ready:
1 Return to the Digital Line Cards tab.
2 Select ISDN PRI Span List from the Select Device Type list.
3 Click Apply.
Configuring E1 Groups
To configure the E1 Groups:
1 Return to the Digital Line Cards tab.
2 From the Select Device Type list, select ISDN PRI Group List.
3 Click Apply.
4 From the ISDN PRI Group List, select PRI Group 1.
5 Click Modify. The Modify Group dialog box (Figure 95) appears.
Figure 95 Modify Group Dialog Box
6 Select Restricted from the Trunk to Trunk pull-down list.
If you select Unrestricted, users can transfer incoming calls to outgoing
trunks. 3Com does not recommend this setting because it enables the
possibility of toll fraud.
7 Click the On Line check box.
8 Enter 500 in each of the four AutoExt text boxes and click OK.