3Com SuperStack 3 NBX Administrator's Manual page 291

Connecting the T1 Line and Activating the Span
To connect the T1 line and activate the span:
1 Plug the T1 line into the T1 Digital Line Card.
2 Return to the Digital Line Cards tab (Figure 113).
3 From the Select Device Type list, select T1/ISDN Board List.
4 Click Apply.
5 From the list, select the new T1 Digital Line Card. Use the MAC address of
the T1 Digital Line Card to identify the card in the list. You recorded the
MAC address before inserting the card.
6 Click Modify. The Modify Board dialog box (Figure 114) appears.
7 Click the On Line check box.
8 Click Apply.
9 Click OK.
10 In the T1/ISDN Board List, verify that the entry for this card in the Status
column changes from Offline to Online. You may need to wait a minute
or two, and then refresh your browser window to see this change.
Verifying the T1 Span Status
To verify the T1 span status:
1 Return to the Digital Line Cards tab (Figure 113).
2 Select T1 Span List from the Select Device Type list.
3 Click Apply.
4 Select the span and click Modify.
5 Enable the On Line check box.
6 Click OK.
7 Verify that the word Ready appears next to the T1 span list line item that
corresponds to this span.
Configuring T1 Groups (DS1)
To configure a T1 DS1 Group:
1 Return to the Digital Line Cards tab (Figure 113).
2 From the Select Device Type list, select T1 Group List.
3 Click Apply.
Configuring and Managing T1 Digital Line Cards 291