Chapter 3. Configuration61200659L1-1 MX2800 STS-1 User Manual 3-31System TrapsVT-RFI (VT Path Remote Failure Indication)The unit is receiving a VT path remote failureindication. VT-RFI is declared when theincoming VT path remote defect indication (VT-RDI, "1" in bit 4 of the VT-Path Overhead byte(V5) in five contiguous frames) lasts for 2.5 +/-0.5 seconds.VT-SLM (VT Path Signal Label Mismatch)The controller card is detecting a signal labelmismatch in the VT path. A received signal labelis mismatched if it does not equal the locallyprovisioned value or the value "equipped non-specific".VT-UEQ (VT Path Unequipped)The controller card detects that the VT path isunequipped. The VT path is not provisioned.Byte V5 of the STS path overhead is set to zero.Trap If enabled, the unit issues a trap when...Protection SwitchingProtection Switch all data has been routed from the primary cardto the stand-by card.Card Removed a controller card has been removed.Card Failure a controller card has failed. This is a criticalalarm only when the back-up card is notinstalled or is not working properly.CommunicationFailcommunication between controller cards Aand B has failed.Max Switches the MAX S WITCH T HRESHOLD is reached (seeMax. Switch Threshold on page 3-6).
