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252 CHAPTER 3: DEVICE CONFIGURATION
T1 Card Status Lights The T1 card contains these status lights:
■ CF — Carrier Fail (when lit, indicates red alarm or blue alarm)
■ RA — Remote Alarm (yellow alarm)
■ LB — Loopback (when lit, indicates that the card is in loop-back
testing mode; does not indicate any of the red, blue, or yellow alarms)
■ Nominal — T1 card is framed
Modifying a T1 Card These sections describes how to modify a T1 card that is already installed
in the system.
■ Modifying the T1 Card Name or Type
■ Modifying a T1 Span
■ Configuring Partial T1 Lines
■ Modifying Audio Controls
Modifying the T1 Card Name or Type
You can change the name of a Digital Line Card at any time. You can also
set the type to T1 or ISDN PRI.
To modify a T1 card name or type:
1 On the Digital Line Cards tab, select the board in the T1/ISDN Board List.
2 Click Modify.
3 To modify the name of the board, enter a new name in the Board Name
field. You can use alphanumeric characters, hyphens, and underscores.
The maximum name length is 30 characters.
4 To change the type of card, in the Card Type field, select either T1 (for T1
DS1 protocol) or ISDN PRI (for T1 ISDN PRI).
5 Click OK.
Modifying a T1 Span
To modify a span:
1 On the Digital Line Cards tab, select either T1 Span List (for T1 DS1) or
ISDN PRI Span List (for T1 ISDN PRI) from the Select Device Type
drop-down list and click Apply.
2 Select the span you want to modify from the Span List.
3 Click Modify.