PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
Word Bits
Parameter
Description
15:0
icp_cells
Count of the number of valid, non-errored
ICP cells received on this link.
2
31:16 filler_cells
Count of the number of non-errored filler
cells received on this link that have been
written to the buffer.
15:0
user_cells
Count of the number of user cells
received on this link that have been
written to the buffer.
3
31:16 filtered_cells
Count of the cells which were not written
to the delay compensation buffer while in
the IMA enable state (primarily due to
errored conditions such as HEC errors,
filler cells with CRC-10 errors, invalid or
errored ICP cells not at expected
positions, overrun, OCD, LCD, OIF, LIF, ,
reader not active yet).
15:0
dropped_cells
Count of the number of cells dropped
while the link is in IMA mode and not
Enabled.
Table 22
Word
RDAT Link Statistics Record (TC)
Parameter Description
0
1
2
Reserved.
Reserved.
Count of the number of user cells
received on this link that have been
written to the buffer.
user_cells
3
Reserved
RDAT IMA Group Statistics Memory
The RDAT IMA Group Statistics Memory is maintained by the RDAT; it stores
pertinent cell and event counts for up to 4 groups. All counters roll over unless
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
220
PMC [ PMC-SIERRA, INC ]
