
| SIP Release Notes | 3. Known Constraints | 
2.When the DS3 interface is not connected, a trunk under this DS3 interface can appear in either LOF or AIS alarm state.
| 
 | Product | |
| 
 | ||
| 
 | 
 | 
 | 
| Mediant 600 | 
 | Mediant 1000 | 
| 
 | 
 | 
 | 
| Mediant 800 MSBG | 
 | Mediant 1000 MSBG | 
| 
 | 
 | 
 | 
| Mediant 2000 | 
 | 
 | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
3.The DS3 External clock is not relevant for Asynchronous mapping of DS3 in OC3.
| 
 | Product | |
| 
 | ||
| 
 | 
 | 
 | 
| Mediant 600 | 
 | Mediant 1000 | 
| 
 | 
 | 
 | 
| Mediant 800 MSBG | 
 | Mediant 1000 MSBG | 
| 
 | 
 | 
 | 
| Mediant 2000 | 
 | 
 | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
3.3.2SDH Constraints
This release includes the following known SDH constraints:
1.
| 
 | Product | |
| 
 | ||
| 
 | 
 | 
 | 
| Mediant 600 | 
 | Mediant 1000 | 
| 
 | 
 | 
 | 
| Mediant 800 MSBG | 
 | Mediant 1000 MSBG | 
| 
 | 
 | 
 | 
| Mediant 2000 | 
 | 
 | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
2.For SDH/SONET and DS3 interfaces, if a trunk was in LOF alarm and the alarm was then cleared, the trunk tends to revert to the RAI alarm for a short period before moving to “no alarm” state.
| 
 | Product | |
| 
 | ||
| 
 | 
 | 
 | 
| Mediant 600 | 
 | Mediant 1000 | 
| 
 | 
 | 
 | 
| Mediant 800 MSBG | 
 | Mediant 1000 MSBG | 
| 
 | 
 | 
 | 
| Mediant 2000 | 
 | 
 | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
| Mediant  | 
 | Mediant 3000  | 
| 
 | 
 | 
 | 
| Version 6.2 | 155 | December 2010 | 
