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Table A-5 SETUP_FAILURE_IND Value | Comments |
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T27_TIMEOUT | T27 expired while in Wait for CCR state | DUAL_SEIZURE | IAM
received while sending CONTINUITY_RECHECK_REQ (CRCS state machine) IAM received while sending
SETUP_REQ
| CPC_BUSY | CONTINUITY_RECHECK_REQ requested while
the circuit was not IDLE | BLOCKING | CGB
(Maintenance) has been sent through GROUP_BLOCKING_REQ in WaitForContinuity State
(CPCI) CGB (Maintenance) has been
sent through GROUP_BLOCKING_REQ in WaitForACM State (CPCI) CGB (Maintenance) has been
received while in WaitForACM State (CPCO) CGB (Maintenance) has been
received while in WaitForContinuity State (CPCO)
| RELEASE | CGB
(Hardware) has been sent through HW_GROUP_BLOCKING_REQ in WaitForContinuity
State (CPCI) CGB (Hardware) has been received
while in WaitForContinuity State (CPCO)
| COT_FAILURE | COT
indicating failure was received in WaitForContinuity State (CPCI) COT indicating failure was
sent during outgoing continuity recheck
| CRCR_RESET | ITU97 only (CRCR state machine): RSC received while waiting for Continuity (CCR) GRS received while waiting for Continuity (CCR) A Reset occurred while waiting for Continuity (CCR)
| FLOW_CONTROL | In WaitForACM State (CPCO) in flow control
condition (T7 expiry+outbound flow control) |
Table A-6 START_RESET_IND Value | Comments |
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UNEXPECTED_MESSAGE | ACM,
ANM, CON, CPG, FOT, RES, SAM, SUS, INR, INF, PAM, FAR, FRJ, FAA,
COT received in IDLE State IAM, ACM, CON, ANM, CPG,
FOT, RES, SUS, INR, PAM, FAR, FAA, FRJ received in WaitForContinuity
State (CPCI) IAM, ACM, ANM, CON, CPG,
FOT, RES, SUS, FAR, FRJ, FAA, COT received in WaitForACM (CPCI) ANM, FOT, RES, SAM, SUS,
FAR, FRJ, FAA received in WaitForACM (CPCI) ACM, ANM, CON, CPG, FOT,
RES, SAM, SUS, FAR, FAA, FRJ received in WaitForContinuity (CPCO)
| COT_CC_NOT_REQUIRED | COT received when not awaited | UNEQUIPPED_CIRCUIT | Received a UCIC on a circuit that is
not Idle regarding the CPC state machine. In this case,
the application should not wait for a RESET_CONF. | TIMER_SHORTAGE | when trying to
start a T2, T6, T7, T8, T9, T33, or T_CRA timer, there is no timer
available and the corresponding circuit is not idle regarding the
CPC state machine. when trying to start a T34 timer, there is no timer available
and the SSC state machine is not in the idle state (TTC3, SSUR,
and ITU97 only).
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Table A-7 START_RELEASE_IND Value | Comments |
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CONTINUITY_SUCCESS | BackwardCheckTone received in WaitForBackwardCheckTone,
after ENABLE_ECHO_IND_ACK received | UNEXPECTED_RLC | RLC
received in WaitForACM, WaitForANM, ACTIVE, Suspended States (CPCI) RLC received in WaitForACM,
WaitForANM, ACTIVE, Suspended States (CPCO) RLC received in WaitForContinuity
(CPCI, CPCO) RLC received after IAM received
(CPCI)
| BLOCKING | BLO
received in WaitForACM (CPCO) BLO received in WaitForContinuity
(CPCO)
| T2_TIMEOUT | T2 timer expired | T6_TIMEOUT | T6 timer expired | T8_TIMEOUT | T8 timer expired | T7_TIMEOUT | T7 timer expired | T9_TIMEOUT | T9 timer expired | T33_TIMEOUT | T33 timer expired |
Table A-8 MAINTENANCE_SYSTEM_IND Value | Comments |
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UNEQUIPPED_CIRCUIT | UCIC received. | TIMER_SHORTAGE | Too many timers is use, no more timers
available. | RECV_ON_UNEQUIPPED_CIRCUIT | A message is received on a non configured
or unequipped circuit. | | MGBS/HGBS state
machine | | MN_GROUP_BLOCKING | GROUP_BLOCKING_REQ
has been sent (MGBS only) in WaitForCGUA State, CGUA
received and CGUA != CGU status bits (ITU-T 93/97 ONLY)
| MN_GROUP_UNBLOCKING | In WaitForCGBA State, CGBA received and
CGBA != CGB status bits (ITU-T 93/97 ONLY) | HW_GROUP_BLOCKING | HW_GROUP_BLOCKING_REQ has been sent (HGBS
only) | HW_GROUP_UNBLOCKING | ITU97 only (and all standards based on
ITU97), HGBS state machine: on
CGBA receipt in Idle state, generated for each circuit not hardware
locally blocked on WaitForCGBA state, generated for each circuit not
asked to be blocked in the CGB and marked as blocked in the CGBA
statusBits (that is, CGB status bits < CGBA status bits) on WaitForCGUA state, generated for each circuit
not asked to be unblocked in the CGU and marked as unblocked in
the CGUA status bits (that is, CGU status bits < CGUA status
bits) on WaitForCGUA state, generated if not all circuits
are acknowledged in the CGUA status bits (that is, CGU status bits > CGUA
status bits) (only one notification)
| T19_TIMEOUT | First T19 expiry | T21_TIMEOUT | First T21 expiry | T18_NOT_RUNNING | In WaitForCGBA State, after CGBA is received, CGB=CGBA
(status bits), and T18 timer is not running | PRIORITY_TO_GROUP_RESET | In WaitForCGBA or WaitForCGUA State,
after GRS sent through GROUP_RESET_REQ, CGB<=GRS or CGU<=GRS | T20_NOT_RUNNING | In WaitForCGUA State, after CGUA is received, CGU=CGUA
(status bits), and T20 timer is not running | MGBR state
machine | | MN_BLOCKING | GROUP_BLOCKING_IND received | HGBR state
machine | | HW_BLOCKING | HW_GROUP_BLOCKING_IND received | HRB state
machine | | HW_UNBLOCKING | RSC/ GRS are sent (through RESET_REQ/GROUP_RESET_REQ)
or received in remotely blocked state | HLB state
machine | | HW_UNBLOCKING | RSC/GRS are sent (through RESET_REQ/GROUP_RESET_REQ)
in locally blocked state | CRS state
machine | | T17_TIMEOUT | First T17 expiry | RLC_AFTER_T17 | RLC received in WaitForRelease state
and T16 not running | CRCS state
machine | | T5_TIMEOUT | T5 timer expired | T24_TIMEOUT | T24 timer expired in WaitForBackwardChecktone and
check indicator=2 | BACKWARD_CHECK_TONE_ACK | BackwardCheckTone received and check
indicator=3, after ENABLE_ECHO_IND_ACK received | CRCR state
machine | | COT_RECEIVED | COT failure received in WaitForREL state
and check indicator=2 | REL_RECEIVED | REL received in WaitForREL state and
check indicator=3 | CQS state
machine | | T34_TIMEOUT | T34 timer expired (ITU-T 88 and TTC ONLY) | T28_TIMEOUT | T28 timer expired (ITU-T 93/97 ONLY) | BLS state
machine | | MN_BLOCKING | BLOCKING_REQ sent | T12_NOT_RUNNING | In WaitForBLA State, BLA received and
T12 timer not running | T13_TIMEOUT | First T13 expiry | MN_UNBLOCKING | After RSC/GRS sent (through RESET_REQ/GROUP_RESET_REQ)
in WaitForBLA or LocallyBlocked state | T14_NOT_RUNNING | In WaitForUBA State, UBA received and
T14 timer not running | T15_TIMEOUT | First T15 expiry | BLA_WHEN_IDLE | ITU97 only (for all standards based on
ITU97):
A BLA is received on a circuit for which the BLS
state machine is in the Idle state (that is, no Blocking action
has been requested). | UBA_WHEN_LOCALLY_BLOCKED | ITU97 only (for all standards based on
ITU97):
A UBA is received on a locally blocked circuit. | BLR state
machine | | MN_BLOCKING | BLO
received in IDLE state after GRS/GRA exchange and
status bits in GRA = 1
| MN_UNBLOCKING | RSC
sent or received, GRS received in WaitForBLA or remotely blocked
state IAM received in remotely
blocked state
| CPC state
machine | | T5_TIMEOUT | T5 timer expired | CGRS state
machine | | T22_NOT_RUNNING | In WaitForGRA state, after GRA received
and T22 timer not running | T23_NOT_RUNNING | First T23 timer expiry |
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