S/UNI-IMA-4 Telecom Standard Product Data Sheet
Released
WORD
BIT
DATA FIELD
DESCRIPTION
2:0
RX_LINK_PM_UNUSABL Cause specified by PM for the link to be
E_CAUSE
unusable. This field is used by RIPP to notify
FE.
“000”: No cause specified
“010”: Fault.
“011”: Mis-connected
“100”: Inhibited
“101”: Failed
Others: Reserved (currently considered the
same as no cause specified).
This field is programmed by PM during link
record initialization.
This field will remain at its current value during
a group-restart.
1
31:21
20
RESERVED
LINK_DELAY_GOOD
The result of the last differential delay
evaluation for the link.
19
LODS_OVR
LODS, DCB overrun. Indicates that the DCB
buffer is in an overrun condition. This occurs
when the transport delay for the link is detected
to be outside the programmed limit and the
transport delay is longer than the other links
within the group.
18
17
16
LODS_UNDERRUN
LODS, DCB under-run. Indicates that the DCB
buffer is in an underrun condition.
LCD
LIF
LCD, Loss of Cell Delineation Defect is present
on this link.
LIF, A loss of IMA Frame defect condition is
present on this link.
15:11
10
RESERVED
RX_ACTIVE_INT
RX LSM transition into/out of Active state.
This bit is reset immediately after read_event
command is executed for the group of which
this link is a member.
9
8
IDLE_CELL_INT
Physical layer idle cells were received on the
RX link.
This bit is reset immediately after read_event
command is executed for the group of which
this link is a member.
FE_TX_UNUSABLE_INT
FE TX LSM transitioned into or out of the
UNUSABLE state.
This bit is reset immediately after the
read_event command is executed for the group
of which this link is a member.
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2020889, Issue 2
178
PMC [ PMC-SIERRA, INC ]
