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DS1 I/O Front Module
Plexus 9000 Planning and Engineering Guide
Issue 4, April 23, 2004
Section 130-120-400
5-114
Telica,
Inc.
5.9.2.2 LEDs
Table 5.9-A. LEDs of Front I/O Module
LEDs Color
Description
FLT
Red
Indicates a local internal fault.
ABN
Yellow
Indicates a remote fault or abnormal
condition. The light appears yellow
when:
•
An input has an incoming
failure; i.e., a Loss of Signal
(LOS).
•
A port is in loopback.
Green
On
Indicates that the module has been
equipped for service. See Note.
ACT
Green
Blinking
Indicates that the module is ready
and in standby mode.
Note:
For some software versions, when a protected
IOM fails, the first IOM to fail will switch to protection
and its FLT LED will be solid red and the ACT LED will
be flashing green. The second IOM to fail cannot switch
and only its FLT LED will illuminate.
P127-AA
07-07-00
FRONT
CARD
DS1
I/O
FLT
ABN
ACT