H3C MSR Router Comware 5 Series Manual page 130

Figure 137 FIC-4T1 panel
Figure 138 FIC-1T1-F panel
Figure 139 FIC-2T1-F panel
Figure 140 FIC-4T1-F panel
Table 165 LED description
LED
LINK/ACT
LP/AL
Interface cables and the connection methods
For more information about T1 interface cables and the connection methods, see
Description
•
On: The carrier signal has been received.
•
Off: No carrier signal has been received.
•
Flashing: Data is being transmitted or/and received.
•
On: The interface is in a loopback.
•
Off: No loopback or alarm is present.
•
Flashing: An alarm indication signal (AIS), loss of frame alignment (LFA)
signal, or remote alarm indication (RAI) signal is present.
121
"T1 interface."