3Com SuperStack 3 NBX, Administrator'S Manual

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300 C
HAPTER
3: D
EVICE
C
ONFIGURATION
Configuring T1 Groups (ISDN PRI)
To configure a T1 ISDN PRI Group:
1 Return to the Digital Line Cards tab (Figure 113).
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 — T1 ISDN PRI dialog box (Figure 121)
appears.
Figure 121 Modify Group Dialog Box — T1 ISDN PRI
6 To modify the name of the group, enter a new name in the Group Name
field. You can use alphanumeric characters, dashes, and underscores. The
maximum name length is 30 characters.
7 To prohibit call transfers between trunk lines, select Restricted (the
default value) from the Trunk to Trunk pull-down list. Otherwise, select
Unrestricted .
8 Click the On Line check box.
9 Verify that 500 (the default) is in each of the four AutoExt text boxes.
10 Click OK .