
| 67 | 
Panel and Interface LED The following figure illustrates the 
Figure 7 4-port  E1/CE1/PRI FIC panel
The following figure illustrates the 
Figure 8 4-port  Fractional E1 FIC panel
The following table describes the LEDs on the card panels.
Table 9 LEDs on the Card Panel.
| LINK | OFF means the link is not connected and ON means the link is connected. | 
| 
 | 
 | 
| ACTIVE | OFF means no data is being transceived on the interface and blinking means | 
| data is being transceived. | |
| 
 | 
 | 
Interface cables 
The two types of cables have a similar appearance, as illustrated in the following figures. However, the 
