ADTRAN 1200218L1, User Manual

Page: 59 / 122

Chapter 4. Status
61200663L1-1 OSU 300 User Manual 4-3
REMOTE STATUS: ALARM
This field displays the current state of the remote link. Possible
states are listed in the following chart.
REMOTE STATUS: DATA LINK
This field displays the current state of the data link between the
remote and the local OSU 300s. Possible states are listed in the
following chart.
Condition Description
Normal No alarms are currently being received.
RAI (Yellow Alarm) 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.
LOS (Red Alarm) The unit has lost the Rx signal.
OOF The unit detects an out of frame condition from the network.
Idle The unit detects an idle sequence from the network. Service is
immediately available for use.
Eqpt Fail (SA) The network has signaled a service affecting equipment failure
condition.
Eqpt Fail (NSA) The network has signaled a non-service affecting equipment failure
condition.
Com Eqpt Fail (NSA) The network has signaled a non-service affecting common
equipment failure condition.
Unknown The OSU 300 is unable to determine the state of the network or the
remote unit.
Condition Description
Normal The local unit’s data link is in sync with the remote unit.
Disabled The
D
ATA
L
INK
option in the
DS3 N
ETWORK
C
ONFIGURATION
menu is set
to
D
ISABLED
.
Down The local and remote units are not in sync.