
User Reference and Installation Guide
6-10
© 2006 Microwave Data Systems Inc. All Rights Reserved.
MDS FOUR.9 Series
05-4561A01, Rev. A
Alarm
Affected
Component
Description
LED to
RED
Alarm
Code
Severity
STM RS_TIM
IDU
The SDH/SONET Mux/Demux
has a Trace Identifier Mismatch
Defect. Fault detection via
polling of RS_TIM_T bit in STM-
1 Core. Alternate detection via
Interrupt enabled in STM-1 core.
N/A
Solid
Major
STM MS-AIS
IDU
The SDH/SONET Mux/Demux
has detected an AIS at the
Multiplexer Level. Fault
detection via polling of
MS_AIS_T bit in STM-1 Core.
Alternate detection via Interrupt
enabled in STM-1 core.
N/A
Solid
Critical
STM MS-REI
IDU
The SDH/SONET Mux/Demux
has detected a Remote Error at
the Multiplexer Level. Fault
detection via polling of
MS_REI_T bit in STM-1 Core.
Alternate detection via Interrupt
enabled in STM-1 core.
N/A
Solid
Major
STM MS-RDI
IDU
The SDH/SONET Mux/Demux
has detected a Remote Defect
at the Multiplexer Level. Fault
detection via polling of
MS_RDI_T bit in STM-1 Core.
Alternate detection via Interrupt
enabled in STM-1 core.
N/A
Solid
Major
STM MS_B2
IDU
The SDH/SONET Mux/Demux
has a B2 Defect at the Multiplex
level. Fault detection via polling
of MS_B2_T bit in STM-1 Core.
Alternate detection via Interrupt
enabled in STM-1 core.
N/A
Solid
Major
STM AU-AIS
x
IDU
The SDH/SONET Mux/Demux
has detected an AIS at the AU
Level. Fault detection via polling
of AU_AIS_T bit in STM-1 Core.
Where ‘x’ is the HP index.
Alternate detection via Interrupt
enabled in STM-1 core.
N/A
Solid
Critical
Содержание FOUR.9 Series
Страница 2: ......
Страница 90: ...User Reference and Installation Guide 6 2 ...