Configuring the DS1 (or E1) UNI with IMA Modules
139
FE Rx State
—Far-end transmit state in the interworking link state machine.
Table 29 lists the possible link states.
.
FE Rx Failure
—Far-end Rx failure status in the interworking link state machine.
Table 30 lists the possible IMA link failure status conditions.
NE Rx Failure
—Near-end Rx failure status in the interworking link state machine.
Table 30 lists the possible IMA link failure status conditions.
Tx LID
—Transmit logical link ID: 0-31. This number reflects the local IMA ID.
Rx LID
—Receive logical link ID: 0-31. This number reflects the remote IMA ID.
Operation LInk Delay
—The differential link delay referenced to the fastest link in
the same group.
Rx Test Pattern
—The received test pattern received: 0-254; 255 indicates that no
pattern has been received.
Test Procedure
—The status of the test procedure:
disabled
,
operating
, or
link
failed.
Table 29
Possible IMA Link States
State
Tx Condition
Rx Condition
not in group
This link is not part of the IMA
group.
This link is not part of the IMA
group.
unusable
blocked
This is caused by LOS, which
would result in back clock from
the framer if the port is in
looped timing.
This is caused by AFA,
excessive delay, or mismatched
protocol.
usable
This link is ready to pass data.
This link is ready to pass data.
active
This link is passing data.
This link is passing data.
Table 30
Possible IMA Link Failure Status Conditions
Failure
Description
link failure
This is caused by LOS, AIS, OOF, or LCD
LIF failure
This is caused by LIF
LODS failure
This is caused by LODS.
Misconnected
This is caused by bad IMA ID, bad link ID, or bad SCCI.
blocked
This is caused by AFA, excessive delay, or mismatched
protocol.
fault
This is caused by bad M value, bad symmetry, bad offset,
or duplicate link ID.
far end Tx link
unusable
This is caused by the far end reporting Tx unusable in the
ICP cells.
far end Rx link
unusable
This is caused by the far end reporting Rx unusable in the
ICP cells.
no failure
The link has no failure.
Summary of Contents for 3C63100-AC-C - PathBuilder S600...
Page 8: ...INDEX 3COM CORPORATION LIMITED WARRANTY ...
Page 14: ...xiv CHAPTER SUPPLEMENTARY REGULATORY INFORMATION ...
Page 18: ...18 ABOUT THIS GUIDE ...
Page 28: ...28 CHAPTER 1 SYSTEM DESCRIPTION ...
Page 74: ...74 CHAPTER 3 GETTING STARTED ...
Page 230: ...230 INDEX ...