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 parameters:
1Type a name for the new group in the Group Name field. 
2To enable the transfer of incoming calls to another line card port, select 
Unrestricted from the Trunk to Trunk list. To disable this feature, select 
Restricted.
3Use the AutoExt fields to select the extension to which calls are routed 
when they are not answered. You can select different extensions for 
different times of the day. The default settings route all calls to the 
Auto Attendant (extension 500). Click Apply to add the group.
4Repeat these steps to add additional groups, if desired, and then click OK. 
						

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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
 shows the ISDN PRI Modify Group dialog box.
Figure 102   Modify Group Dialog Box — E1 ISDN PRI
5Make the changes that you want to the group parameters. Table 47 
describes each parameter.
Table 47   Group Parameters
ParameterE1 ISDN PRI Options
Group NameEnter a name to help you to identify this group in lists.
Trunk to TrunkThe Unrestricted setting enables and the Restricted setting disables the transfer of incoming calls 
to another line card port. For example, you could enable Trunk to Trunk transfers if you plan to 
connect a Voice Over IP (VOIP) gateway to a line card port, permit callers to use the system to 
access the telephone system from a remote location, and use it to make CO calls. 
						

							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.
4Select the group for which you want to change membership.
5Click Membership. Figure 103
 shows the Manage Group Membership 
dialog box.
Auto ExtensionEnter the Auto Extension number that you want to handle this group for any of the Business 
Hours. Extension 500 is the Auto Attendant.
Table 47   Group Parameters (continued)
ParameterE1 ISDN PRI Options 
						

							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 which it can move the channel, 
so it cannot remove the channel from the member list. If a channel has 
been a member of another group in the past, the system moves the 
channel to the group of which the channel was most recently a member.
Example: By default, the system creates two groups, Group 1 and 
Group 2, and places all channels in Group 1. If you try to move a channel 
to the non-member list of Group 1, the operation fails. If you select 
Group 2, click Membership, move a channel from the non-member list to 
the member list, and then move the same channel back to the 
non-member list, the operation succeeds because the channel was  
						

							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 want to remove the group.
6Click Ye s to remove the group. 
						

							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 through 15, and 17 through 31. 
This reflects the physical channel mapping on the E1 interface, where 
channel 16 is the ISDN D-channel, used for signaling.
To modify a channel on an installed E1 card:
1Return to the Digital Line Cards tab (Figure 98
).
2Select ISDN PRI Channel List from the Select Device Type pull-down list.
3Click Apply.
Figure 104
 shows the ISDN PRI Channel List.
Figure 104     ISDN PRI Channel List
4Select the channel that you want to modify. 
						

							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 port. For example, you 
could enable Trunk to Trunk transfers if you plan to 
connect a Voice Over IP (VOIP) gateway to a line card port 
and let callers use the system to access the telephone 
system from a remote location and use it to make CO calls.
AutoExtThe extension to which an unanswered call (on this line 
card port) is directed. You can assign a different AutoExt 
for each period of the day: Open, Closed, Lunch, and 
Other.
Channel NameA name that helps you identify this channel in lists.
Board MAC AddressThe MAC address of the board.
Channel MAC AddressThe MAC address of the channel.
Current StateThe state of the board and channel.
Span ID/Device #The span number and device number.
ExtensionThe extension number assigned to this channel. 
						

							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 — E1 ISDN PRI
4View the status of the channel and then refresh the Channel Status 
dialog box.
aFrom the Dialog Refresh pull-down list, select:
■Manual — To manually refresh the Channel Status dialog box each 
time that you click the Apply button.
■A time interval (5, 10, 15, 30, or 60 seconds) — To refresh the 
Channel Status dialog box at the specified intervals.
bEnable the Device Refresh check box.
5Click Apply and then click OK. 
						

							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 E1 CardYou can modify the IP settings for an E1 card to meet changing 
requirements.
The board must be on the same subnetwork as the Call Processor to 
modify IP settings.
To modify the IP settings of a Digital Line Card:
1In the NBX NetSet - Main Menu window (Figure 97
), click 
Device Configuration and then the Digital Line Cards tab (Figure 98
).
2From the Select Device Type pull-down list, select T1/ISDN Board List. 
						

							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.