Data Link State; Remote State - ADTRAN T3SU 300 User Manual

Data Link State

This field displays the current state of the data link between the
local and the remote T3SU 300s. Possible states are listed in the
following chart:
Condition
Normal
Disabled
Down

Remote State

This field displays the current state of the remote link. Possible
states are listed in the following chart:
Condition
Normal
RAI (Yellow
Alarm)
LOS (Red
Alarm)
AIS (Blue
Alarm)
OOF
Idle
Eqpt Fail (SA)
61202217L1-1B
Description
The local unit's data link is in sync with the remote unit.
D L
The option in the
ATA INK
C
menu is set to
ONFIGURATION
The local and remote units are not in sync.
Description
No alarms are currently being received.
The unit is transmitting a yellow alarm from the network.
This alarm is a signal sent back toward the source of a
failed transmit circuit. The X-bits (X1 and X2) are set to
zero.
The unit has lost the Rx signal.
The unit is receiving a blue alarm condition from the
network. A blue alarm occurs when consecutive 1010s
are received in the information bits. This indicates that
there is a transmission fault located either at or
upstream from the transmitting terminal.
The unit detects an out of frame condition from the
network.
The unit detects an idle sequence from the network.
Service is immediately available for use.
The network has signaled a service affecting equipment
failure condition.
T3SU 300 User Manual
Chapter 4. Status
DS3 N
ETWORK
D
.
ISABLED
71