
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
PM7340 S/UNI-IMA-8
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
231
Word Bits
Parameter
Description
8
Octet 38
Octet 39
Octet 40
Octet 41
9
Octet 42
Octet 43
Octet 44
Octet 45
10
Octet 46
Octet 47
Octet 48
Octet 49
11
Octet 50
Octet 51
Octet 52
Octet 53
31:10
Reserved.
9
position_error
The current ICP cell was received in an
unexpected position within the IMA frame. If the
contents of the cell are valid, then the ICP cell is
considered valid, but the IFSM will transition to
the IMA Hunt state.
8
header_invalid
The ATM cell header is not a correct ICP cell
header.
7
cid_invalid
The Cell ID does not indicate the OAM Cell Type
is ICP.
6
label_invalid
The OAM Label does not indication IMA version
1.1.
5
lid_mm
The link identifier in the current ICP cell does not
match the LID in validation memory.
4
ima_id_mm
The IMA ID in the current ICP cell does not
match the IMA ID in validation memory.
3
m_mm
The IMA Frame Length in the current ICP cell
does not match the length in validation memory.
2
seq_error
The IMA Frame Sequence Number in the current
ICP cell does not match the sequence number
maintained by the RDAT.
1
icp_offset_mm
The ICP Cell Offset in the current ICP cell does
not match the offset in validation memory.
12
0
stuff_invalid
The link stuff indication in the current ICP cell has
not progressed properly from the previous value.
13:15
Reserved.