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Configuring and Managing T1 Digital Line Cards 259
Removing a T1 Group
To remove a group:
1 On the Digital Line Cards tab, select either T1 Group List (for T1 DS1), or
ISDN PRI Group List (for T1 ISDN PRI) from the Select Device Type
drop-down list and click Apply.
2 Select the group you want to remove.
3 Click Remove. A prompt appears asking if you want to remove the group.
4 Click Yes to remove the group.
Modifying T1 Card
Channels
A channel is either a T1 DS1 or T1 ISDN PRI time slot. Each channel can
accommodate a single telephone call. This section describes how to
modify channels for an installed T1 Digital Line Card and how to view the
status of an existing channel.
CAUTION: Do not modify channels unless a 3Com Technical Support
representative advises you to do so. Modifying an ISDN channel
disconnects any existing calls on that channel.
To modify a channel on an installed T1 card:
1 On the Digital Line Cards tab, select either T1 Channel List (for T1
channels), or ISDN PRI Channel List (for T1 PRI channels) from the
Select Device Type drop-down list and click Apply.
The window that appears depends on the channel list you select. shows
the T1 Channel List.
2 Select the channel that you want to modify.
3 Click Modify. The dialog box that appears depends on the channel list
that you selected either the T1 DS1 Modify Channel dialog box or the T1
ISDN PRI Modify Channel dialog box.
4 Fill in or change the fields in the appropriate Modify Channel dialog box.
See the Help for a description of each parameter. Enable the On Line
check box to bring the channel on line. Click Apply and then OK.
The channel does not come online unless the card and the span are
online.