S/UNI-IMA-4 Telecom Standard Product Data Sheet
Released
Word
Bit
17
Data Field
FE_GSM_INT
Description
FE GSM state change.
16
15:11
NE_GSM_INT
RESERVED
NE GSM state change.
Reserved
Group
Status
(10 bit)
10
9
FE_TRL_STATUS
When set to a ‘1’, the FE specified an in-
group link to be the TRL in the latest
analyzed ICP cell.
GROUP_TIMING_MISMAT
CH
Group timing mismatch
8
GTSM
GTSM state
7:4
FE_GSM
FE GSM state:
Group state machine state.
“0000”: Start-up
“0001”: Start-up-ACK
“0010”: Config-Aborted – Unsupported M
“0011”: Config-Aborted – Incompatible group
symmetry
“0100”: Config-Aborted – Unsupported IMA
versions
“0101”: Reserved
“0110”: Reserved
“0111”: Config-Aborted – Other reasons
“1000”: Insufficient-links
“1001”: Blocked
“1010”: Operational
“1011”-“1111” Reserved
NE GSM state
3:0
NE_GSM
Table 18 Link Event Interrupt Bit Mapping
Word
Bit
31:27
Data Field
Description
Reserved
RX Link
Event Status
(12 bit)
26
25
RX_ACTIVE_INT
IDLE_CELL_INT
RX LSM transition into/out of Active state.
Physical layer idle cells were received on
the RX link. The far end transmitter will, in
most cases, send idle cells on this link after
the FE_TX_LSM becomes UNASSIGNED
(when the FE transmit link is deleted).
24
FE_TX_UNUSABLE_INT
FE TX LSM transitioned into or out of the
UNUSABLE state.
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2020889, Issue 2
202
PMC [ PMC-SIERRA, INC ]
