
Table 4: Mini PIM LED States on the SSG 20
| Type | Name | Color | State | Description | 
| 
 | 
 | 
 | 
 | 
 | 
| ADSL 2/2+ | SYNC | Green | On steadily | Indicates that the ADSL interface is trained | 
| (Annex A | 
 | 
 | 
 | 
 | 
| 
 | 
 | Blinking | Indicates training is in progress | |
| and B) | 
 | 
 | 
 | 
 | 
| 
 | 
 | Off | Indicates that the interface is idle | |
| 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
| 
 | TX/RX | Green | Blinking | Indicates that traffic is passing through | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that no traffic is passing through | 
| 
 | 
 | 
 | 
 | 
 | 
| ISDN (BRI) | CH B1 | Green | On steadily | Indicates that  | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that  | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | CH B2 | Green | On steadily | Indicates that  | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that  | 
| 
 | 
 | 
 | 
 | 
 | 
| T1/E1 | ALARM | Yellow | On steadily | Indicates that there is a local or remote | 
| 
 | 
 | 
 | 
 | alarm; device has detected a failure | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that there are no alarms or failures | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | LOOP BACK | Yellow | On steadily | Indicates that a loopback or line state is | 
| 
 | 
 | 
 | 
 | detected | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that the loopback is not active | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | CD | Green | On steadily | Indicates a carrier was detected and the | 
| 
 | 
 | 
 | 
 | internal DSU/CSU in the mini PIM is | 
| 
 | 
 | 
 | 
 | communicating with another DSU/CSU | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that carrier detect is not active | 
| 
 | 
 | 
 | 
 | 
 | 
| V.92 | CD | Green | On steadily | Indicates that the link is active | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that the serial interface is not in | 
| 
 | 
 | 
 | 
 | service | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | TX/RX | Green | Blinking | Indicates that traffic is passing through | 
| 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Off | Indicates that no traffic is passing through | 
| 
 | 
 | 
 | 
 | 
 | 
CAUTION: Mini PIMs are not 
Front Panel  15
