
Section 4, User Interface Guide ATLAS 550 System Manual
124 © 2002 ADTRAN, Inc. 61200305L1-1F
MODULES (T1/PRI-2/4) > INFO > PLL STATUS
Read security: 5
Indicates whether the module phase lock loop is locked to its specific source.
MODULES (T1/PRI-2/4) > ALARM STATUS
Read security: 5
Displays the current T1 alarm status.
MODULES (T1/PRI-2/4) > ALARM STATUS > PRT
Read security: 5
Indicates the port number.
MODULES (T1/PRI-2/4) > ALARM STATUS > ALARMS
Read security: 5
Displays an alarm condition on the ATLAS 550 unit. Press <Enter> to access this menu item.
MODULES (T1/PRI-2/4) > DS0 STATUS
Read security: 5
The DS0 status indicates usage on a DS0 basis. These options are read-only:
LOS Indicates a loss of signal detected on port interface.
R
ED Indicates inability to frame data received on the port. Alternately referred to
as Out of Frame (OOF).
Y
ELLOW Receiving remote alarm (RAI) on port.
B
LUE Receiving unframed all ones from the port Alarm Indicator Signal (AIS).
DS0 A
LARM Displays per-DS0 alarm status; that is, at least one DS0 channel is in alarm if
an asterisk (*) appears. These alarms usually indicate the failure to receive
the protocol that has been configured for the DS0.
R
X LEVEL
(RECEIVE LEVEL)
Indicates the strength of the signal (in dB) received on the port.
- Unallocated M Maintenance
* Inactive N Dedicated (nailed)
+ Signaling mismatch O Off hook - originate (RBS)
A Active B Channel R Ringing (RBS); Restart (ISDN)
D Active D Channel W Waiting dial tone