
Displaying circuit element status in a node
Access Manager 2000 User Manual
8-11
Codes are used to display the status of the different elements in each
shelf. They appear as the second letter in each slot’s configuration line.
D
DIU 2130 High-Speed Data Interface Unit
T
TIU 2850 Timing Interface Unit
M
DIU 2132 SMDS Data Interface Unit
O
DIU 2140 Low Speed Data Interface Unit
Code Condition and Meaning
O Operational - Alarm Enabled: The equipment is installed,
configured, and has not failed at the near end. For a CSU or
DIU, it also indicates that alarm reporting is enabled.
For a far-end circuit element, it indicates that a T1 signal is
being received.
•If the O is green, it indicates the element is not
in alarm.
•If the O is red, it indicates the element is
in alarm.
N
Operational - Alarm Disabled: Element is operational with
a disabled alarm reporting capability.
•If the N is green, it indicates the element is not
in alarm.
•If the N is red, it indicates the element is
in alarm.
-
Absent: The module is physically absent from the shelf and
is not configured.
If the incoming T1 signal is lost from a near-end CSU, the
far end displays the element as absent.
X
Missing: The element is configured in the Access Manager
database, but the module itself:
• is missing
• has failed, or
• has a blown 5V fuse.
S
Spare: The element is present in a shelf but not configured in
the Access Manager database as Installed and
Operational.
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