Alarm Indication Signal (AIS)
GPTKB entity
Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telecommunications signal
|
| gptkbp:alsoKnownAs |
all-ones signal
blue alarm |
| gptkbp:category |
network management
fault indication |
| gptkbp:detects |
network equipment
|
| gptkbp:effect |
prevents false alarms downstream
|
| https://www.w3.org/2000/01/rdf-schema#label |
Alarm Indication Signal (AIS)
|
| gptkbp:purpose |
indicate upstream failure
maintain downstream synchronization |
| gptkbp:standardizedBy |
gptkb:ITU-T
gptkb:ANSI |
| gptkbp:type |
continuous stream of 1s
|
| gptkbp:usedIn |
gptkb:Synchronous_Digital_Hierarchy_(SDH)
Plesiochronous Digital Hierarchy (PDH) Synchronous Optical Networking (SONET) |
| gptkbp:bfsParent |
gptkb:SONET_OAM
|
| gptkbp:bfsLayer |
7
|