180 CHAPTER 3: D EVICE CONFIGURATIONModifying BRI CardChannelsA channel is an ISDN logical B channel. A channel can take a single call.This section describes how to modify channels for an installed BRI cardand how to view the status of an existing channel.CAUTION: Do not modify channels unless a 3Com Technical Supportrepresentative advises you to do so. Modifying an ISDN channeldisconnects any existing calls on that channel.To modify a channel on an installed BRI-ST card:1 On the Digital Line Cards tab), from the Select Device Type drop-downlist, select ISDN BRI Channel List.2 Click Apply. The system updates the window to show the BRI channels.3 Select the channel that you want and click Modify. The Modify Channeldialog box appears.4 Fill in or change the fields in the appropriate Modify Channel dialog box.Click the Help button to see more information about the dialog boxfields.5 Enable the On Line check box to bring the channel on line. Note that thechannel does not come online unless, previously, the card and the spanhave come online. Click OK.Viewing the Status of a BRI ChannelTo view the status of a channel on an installed BRI-ST card:1 On the Digital Line Cards tab, select ISDN BRI Channel List.2 Click Apply.3 Select the channel for which you want status information.4 Click Status. The BRI Channel Status dialog box appears.5 View the status of the channel.6 Refresh the Channel Status dialog box.To manually refresh the Channel Status dialog box, select Manual fromthe Dialog Refresh list, and click Apply.To automatically refresh the Channel Status dialog box, select Auto fromthe Dialog Refresh list, and click Apply.7 To reboot the card, select the Device Refresh check box.
