3Com 3C63311 Reference Guide - Page 185

Managing System Alarms 173 Table 28 DS1/E1 UNI Module Alarms (continued) Alarm Meaning Troubleshooting Steps Group [n] Dup. IMA The same group IMA ID has ID been received on links belonging to different IMA groups in the same card. Correct link or group configuration. Group [n] FE Abort The far end rejects the Check and correct near end symmetry. Symmetry symmetry sent by the near end. Only symmetric operation is supported in PathBuilder products. Group [n] FE Blocked The far end reports it is not passing data. Check and repair link facilities. Verify configuration. ATM Forum (R-132) Group [n] FE Config The far end rejects the M value Configure both ends to the same M Abort used by the near end. value. NOTE: This alarm should not occur if both ends are PathBuilder S310, S330, S600, or S700 products. Group [n] FE Start The far end is coming up Up (starting IMA). Information about far end state. ATM Forum (R-127) Group [n] FE Insufficient Links The far end node is reporting Check and repair link facilities. Verify an insufficient number of links. configuration. ATM Forum (R-131) Group [n] Insufficient Links ATM Forum (R-130) The near end finds not enough available links. This occurs when the near end has completed parameter negotiation with the far end, but is neither passing data nor blocked. Check and correct any faulty IMA links. Check and correct IMA minimum links parameter. Group [n] Lack of Link The near end is idling because it does not have enough links in an IMA group. This occurs only after group parameters are negotiated. When this occurs, the "NE Insufficient Links" alarm is also reported. Take the group down, and stop passing data in all links. Group [n] Link Down Summary information alarm to Information only. indicate one or more alarms on this IMA group are active. Group [n] Link Up Summary informational alarm Information only. to indicate all alarms on the IMA group are cleared. Group [n] N