S/UNI-IMA-4 Telecom Standard Product Data Sheet
Released
13.7 IMA Performance Parameters and Failure Alarms Support
A number of IMA performance parameters and failure alarms are defined in the IMA spec
(section 12.2.2) as a standardized interface to IMA unit management functions. The following
text summarizes the support provided by S/UNI-IMA-4 to implement those functions.
Table 39 IMA Performance Parameter Support
Req.
Performance
parameter
S/UNI-IMA-4 support
R-125
O-20
IV-IMA
OIF-IMA
R-126
R-127
R-128
R-129
R-130
SES-IMA
SES-IMA-FE
UAS-IMA
UAS-IMA-FE
TX-UUS-IMA
NE RX IMA defects will cause interrupts.
RDI-IMA defects will cause interrupts.
Derived from SES-IMA, no support.
Derived from SES-IMA-FE, no support.
S/UNI-IMA-4 provides read access to the TX LSM in RIPP
link context records. Note after link start-up, it is up to PM
to put the LSM into UNUSABLE state.
R-131
RX-UUS-IMA
S/UNI-IMA-4 provides read access to the RX LSM in link
context records. Note after link start-up, it is up to PM to
put the LSM into UNUSABLE state.
R-132
R-133
TX-UUS-IMA-FE
RX-UUS-IMA-FE
S/UNI-IMA-4 may generate an interrupt once FE TX LSM
enters UNUSABLE state.
S/UNI-IMA-4 may generate an interrupt once FE RX LSM
enters UNUSABLE state.
R-134
R-135
O-21
TX-FC
Failure condition is declared by PM, no support provided.
RX-FC
Failure condition is declared by PM, no support provided.
TX-FC-FE
S/UNI-IMA-4 may generate an interrupt once FE TX LSM is
in UNUSABLE state, PM may then read the FE LSM state
in the RIPP context memory to determine the case.
O-22
RX-FC-FE
S/UNI-IMA-4 may generate an interrupt once FE RX LSM
is in UNUSABLE state, or an RDI-IMA indication is sent by
FE.
O-23
TX-STUFF-IMA
RX-STUFF-IMA
GR-UAS-IMA
GR-FC
S/UNI-IMA-4 provides counter of inserted stuff events per
link.
O-24
S/UNI-IMA-4 provide counter of received stuff events per
link
R-136
R-137
S/UNI-IMA-4 may generate an interrupt when a GTSM
transition happens.
S/UNI-IMA-4 provides interrupt and read access to internal
context for various error conditions. See Table 40 for
details.
O-25
GR-FC-FE
S/UNI-IMA-4 provides interrupt and read access to internal
context for various error conditions. See Table 40 for
details.
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2020889, Issue 2
291