
Chapter 4. Status
61185001L1-1 MX2810 M13 User Manual 4-7
Card Comm
This field displays the current state of the communication link
between the two controller cards. OK indicates that the cards are
communicating; F
AILURE
indicates that the cards are not able to
communicate with each other. If there is only one card installed,
N
ON
-R
EDUNDANT
is displayed.
DS2 STATE
This field displays the current state of each of the seven DS2s.
Possible states are listed in the following chart:
T1/E1 STATE
The field displays the current state of the individual T1s or E1s.
Possible states are listed in the following chart:
Condition Description
OK The DS2 is not receiving alarms.
LOF The unit detects framing loss across the DS2.
RAI The unit is receiving an RAI (yellow) alarm across
the DS2. This alarm is a signal sent back toward the
source of a failed transmit circuit. The X-bit is set to
zero.
AIS The unit is receiving an AIS (blue) alarm condition
from the network across the DS2. AIS alarms occur
when the unit receives unframed all ones.
Condition Description
OK The T1/E1 is ready to pass data.
LOS The unit has lost the Rx signal on the T1/E1.
XCV The unit is receiving excessive code violations
across the T1/E1, exceeding the configured
threshold (see XCV Threshold on page 3-4).
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