3Com Nbx 100 And Ss3 Nbx Administration Guide

Configuring and Managing E1 Digital Line Cards271
Adding an E1 Group 
You add a new group when you need to assign common characteristics 
to several E1channels.
To add a digital line card group:
1On the Digital Line Cards tab (Figure 113
), from the Select Device Type 
pull-down list, select ISDN PRI Group List and then click Apply.
2In the dialog box that appears, click Add.
Figure 101
 shows the ISDN PRI Add Group dialog box.
Figure 101   Add Group Dialog Box — E1 ISDN PRI
To modify ISDN PRI group...

272CHAPTER 3: DEVICE CONFIGURATION
Modifying an E1 Group
You may want to modify a digital line card group to change its name, 
Auto Extension assignments, or other parameters. When you modify a 
group, the changes affect all the Digital Line Cards assigned to that 
group. To modify a digital line card group:
1Return to the Digital Line Cards tab.
2From the Select Device Type pull-down list, select ISDN PRI Group List and 
click Apply.
3Select the group that you want to modify.
4Click Modify. Figure 102...

Configuring and Managing E1 Digital Line Cards273
6Enable the On Line check box to bring the group on line.
The group does not come online unless the card and the span are online.
7Click Apply to effect the changes.
8Click OK.
Changing E1 Group Membership
You may want to change the channel membership in an E1 group to 
accommodate changing needs.
To change group membership:
1Return to the Digital Line Cards tab.
2From the Select Device Type pull-down list, select ISDN PRI Group List.
3Click Apply....

274CHAPTER 3: DEVICE CONFIGURATION
Figure 103     Manage Group Membership Dialog Box
6To add a channel to the Member List, select the channel in the Non 
Member List and click .
Each channel must belong to a group. A channel can belong to only one 
group at a time. You cannot move a channel from the members list to the 
non-members list of a group unless the system can assign the channel to 
another group. If a channel has never been a member of another group, 
the system cannot determine a group to...

Configuring and Managing E1 Digital Line Cards275
previously a member of Group 1. If you then view the Group 1 
membership list, it contains the channel you just removed from Group 2.
9Click Close.
Removing an E1 Group
You may want to remove groups if you no longer need them.
To remove a group:
1Return to the Digital Line Cards tab.
2From the Select Device Type pull-down list, select ISDN PRI Group List.
3Click Apply.
4Select the group you want to remove.
5Click Remove. A prompt appears asking if you...

276CHAPTER 3: DEVICE CONFIGURATION
Modifying E1 Card
ChannelsA channel can take a single call. This section describes how to modify 
channels for an installed E1 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.
If you use Auto Discovery to add channels on an E1 PRI line, note that the 
30 channels discovered are numbered 1...

Configuring and Managing E1 Digital Line Cards277
5Click Modify. Figure 105 shows the Modify Channel dialog box.
Figure 105     Modify Channel Dialog Box 
6Fill in or change the fields in the appropriate Modify Channel dialog box. 
Ta b l e 4 5
 describes each parameter.
Table 48   Channel Parameters
ParameterE1 ISDN PRI Options
Group NameA name that helps you identify this group in lists.
Trunk to TrunkUnrestricted enables and Restricted disables the transfer of 
incoming calls to another line card...

278CHAPTER 3: DEVICE CONFIGURATION
7To bring the card online, enable the On Line check box. Click Apply and 
then click OK.
Viewing the Status of an E1 Card Channel
To view the status of a channel on an installed E1 card:
1On the Digital Line Cards tab, select ISDN PRI Channel List from the 
Select Device Type pull-down list. Click Apply.
2Select the channel for which you want status information.
3Click Status. A Channel Status dialog box (Figure 106
) appears.
Figure 106     Channel Status Dialog Box —...

Configuring and Managing E1 Digital Line Cards279
Viewing DSP (Digital Signal Processor) Details
To view DSP (Digital Signal Processor) details:
1Return to the Digital Line Cards tab.
2From the Select Device Type list, select T1/ISDN Board List and click Apply.
3Select the board you want and click Status.
4In the Board Status dialog box, select a DSP from the DSP List and click 
Details (Figure 107
).
Figure 107   DSP Status Window
5Click Close to close the DSP Status window.
Modifying IP Settings
for an...

280CHAPTER 3: DEVICE CONFIGURATION
3Click Apply.
4Select the board (ISDN PRI) for which you want to change the IP settings.
5Click IP Settings (Figure 108
).
If there is no IP Settings button in the dialog box, you have not yet 
installed the IP licenses. You must install them before you can proceed.
Figure 108   Digital Line Card IP Settings Dialog Box
6To assign IP addresses automatically, enter the first address in the 
First IP Address field. The system sequentially adds the remaining 
addresses.