PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
23
RX_LID_VALID
Flag bit indicating if the value in the
RX_LID field is valid or not.
“0”: invalid
“1: valid.
This field is cleared by PM during link
record initialization. It will be set by
RIPP upon the success of RDAT LID
validation.
22:21
20:16
RESERVED
RX_LID
LID value for the RX physical link.
This field is cleared by PM during link
record initialization. It will be set by
RIPP upon the success of RDAT LID
validation.
15
RX_LINK_TIMER_ RX link timer enable. The enable bit is
EN
set when the timer is loaded; it is
cleared when either a timeout occurs
or the timer is disabled.
14:12
11:8
RESERVED
RX_LINK_TIMER
RX link timer. Implemented as 4-bit
down counter. The counter is loaded
with the appropriate timeout value
when the timer is enabled, and
decrements on every timer tick, until it
reaches zero. A timeout event is
declared when a timer tick occurs and
the counter equals zero, if the timer is
enabled.
7
6:4
RESERVED
FE_TX_LSM
Far end TX LSM state for the link. This
is copied from the appropriate TX LSM
state field in the incoming ICP cells.
3
RX_LINK_PM_UN
USABLE
This field indicates the link has been
considered unusable by PM.
This bit is set up on PM issuing
UNUSABLE_LINK command, and
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
180
PMC [ PMC-SIERRA, INC ]
