Ds2 State; T1/E1 State; Acknowledge Alarms (Aco); Table 4-8. Ds2 States - ADTRAN MX2800 M13 User Manual

Section 4, Status
5.

DS2 STATE

This field displays the current state of each of the seven DS2s. Possible states are listed in
Condition
OK
LOF
RAI
AIS
6.

T1/E1 STATE

This field displays the current state of the individual T1s or E1s. Possible states are listed in
Condition
OK
LOS
XCV
TST
HOT
LAIS
CAIS
A DS2 can be divided into either three E1s or four T1s. Therefore, when
dealing with an E1 configuration, some of the fields in the
menus do not apply (and display nothing).
7.

ACKNOWLEDGE ALARMS (ACO)

This selection is used to remotely turn off an active alarm. It is the software equivalent of the
as described in ACO Buttons
4-6

Table 4-8. DS2 States

Description
The DS2 is not receiving alarms.
The unit detects framing loss across the DS2.
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.
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.

Table 4-9. T1/E1 States

Description
The T1/E1 is ready to pass data.
The unit has lost the Rx signal on the T1/E1.
The unit is receiving excessive code violations across the T1/E1, exceeding the
configured threshold (refer to
The T1/E1 is currently in test mode.
The T1/E1 transceiver temperature is too high.
The T1 is receiving all ones from the DSX-1 interface.
The T1 is receiving all ones from the DS3 side of the network.
NOTE
on page 2-15.
MX2800 M13 Multiplexer User Manual
XCV Threshold on page 3-15).
T1/E1 State
Table 4-8.
Table 4-9.
button
ACO
61200290L1-1G