Specifications

4 Contents HighWire-MTP2 Software Reference - 1.2, September 4, 2002
4-3-7.CBI_MSG_AVAIL_CALLBACK ................................................................................................ 38
5. HW-MTP2 Level 2 - Level 3 Interfaces and Message Flows .................................................................39
5-1. Level 2 - Level 3 Management Interface .......................................................................................... 39
5-2. Level 2 - Level 3 Data Interface ........................................................................................................ 40
5-3. Message Flows ................................................................................................................................... 41
5-3-1.Link activation ....................................................................................................................... 42
5-3-2.Remote Processor Outage (RPO) ......................................................................................... 43
5-3-3.Changeover following local detection of link failure ........................................................... 46
5-3-4.Failover of MTP3 Control Part .............................................................................................. 47
5-3-5.MTP3 Data Part failure ......................................................................................................... 48
5-3-6.MTP3 Data Part unavailability .............................................................................................. 48
6. CBI Buffer Formats ..................................................................................................................................49
6-1. Common Header Sub-Structures ...................................................................................................... 49
6-1-1.CBI_M2_COMMON_PARMS ................................................................................................. 49
6-1-2.CBI_M2_MTP2_PARMS ........................................................................................................52
6-1-3.CBI_M2_SAAL_PARMS ......................................................................................................... 57
6-1-4.CBI_PKT_HDR ....................................................................................................................... 57
6-2. CBI Message Summary ...................................................................................................................... 57
6-2-1.Signals sent from L3 to L2 ................................................................................................... 57
6-2-2.Signals sent from L2 to L3 ................................................................................................... 59
6-3. CBI Messages: Detailed Description ................................................................................................ 61
6-3-1.CBI_M2_AVAILABLE .............................................................................................................. 61
6-3-2.CBI_M2_BSNT ....................................................................................................................... 61
6-3-3.CBI_M2_BSNT_NOT_RETRIEVABL ....................................................................................... 62
6-3-4.CBI_M2_CLEAR_RTB ............................................................................................................ 62
6-3-5.CBI_M2_CLOSE ..................................................................................................................... 63
6-3-6.CBI_M2_CONTINUE .............................................................................................................. 63
6-3-7.CBI_M2_CREDIT .................................................................................................................... 64
6-3-8.CBI_M2_CREDIT_ERROR ..................................................................................................... 65
6-3-9.CBI_M2_EMERGENCY .......................................................................................................... 65
6-3-10.CBI_M2_EMERGENCY_
CEASES ............................................................................................................................................ 66
6-3-11.CBI_M2_EV_INDICATION ....................................................................................................66
6-3-12.CBI_M2_EV_REGISTER ......................................................................................................68
6-3-13.CBI_M2_EV_UNREGISTER ................................................................................................. 70
6-3-14.CBI_M2_FLUSH_BUFFERS ................................................................................................. 71
6-3-15.CBI_M2_IN_SERVICE ......................................................................................................... 72
6-3-16.CBI_M2_LINK_
CONGESTED .................................................................................................................................... 72
6-3-17.CBI_M2_LINK_CONGSTN_CEASED ................................................................................... 73
6-3-18.CBI_M2_LOC_PROCSSR_
OUTAGE ............................................................................................................................................ 73
6-3-19.CBI_M2_LOC_PROCSSR_
RECOVRD ......................................................................................................................................... 74
6-3-20.CBI_M2_REGISTER ............................................................................................................. 74