Exception And Alarm States - GE MDS Master Station Technical Manual

Platform Manager
Active Radio Module
Standby Radio Module
(if present)
Alarm Module

Exception and Alarm States

The first indication of a problem is usually an illuminated
modules. The first place to look is the Alarm or Alarm/Relay module and see if the PWR/Alarm
LED is RED.
Table 7-2. Status LEDs – Exception and Alarm States
Module LED
Platform Manager PWR
Platform Manager ALARM
Radio Module PWR/ALARM
Radio Module PWR/ALARM &
ACTIVE
Radio Module PWR/ALARM
Radio Module(s) ACTIVE
Both Radio ACTIVE
Modules
(Redundant Only)
Alarm Module ALARM MAJ.
ALARM MIN.
92
Table 7-1. Status LEDs – Normal Operation
PWR
ALARM
ETH1/ETH2
PWR/ALARM
ACTIVE
TX
RX
PWR/ALARM
ACTIVE
TX
RX
ALARM MAJ.
ALARM MIN.
ACT A & ACT B
Behavior
Flashing
(BLUE)
Flashing
(BLUE)
Flashing
GREEN
Alternating
Flashing RED
Both/Only
Modules OFF
Both
Modules
GREEN
RED
MDS™ Master Station
BLUE
OFF
Flashing with Ethernet traffic
GREEN
GREEN
Flashing BLUE when transmitting
Flashing BLUE when receiving
GREEN
OFF
OFF
OFF
OFF
OFF
One BLUE, one OFF
LED on one or more of the
ALARM
Meaning
Booting / System
Initialization
Master Station Alarm
Radio power up
Radio Firmware
update
Radio Alarmed
No active radio in the
system (Alarm/Relay
Module may still
indicates Active A or B)
System ERROR - both
radios active
(Alarm/Relay Module
may still show only one
active)
Master Station Major
or Minor Alarm.
Troubleshooting Action
Wait several minutes for
system to boot.
Use Device Manager to
determine Alarm
Wait several seconds for radio
to boot.
Wait several minutes for
firmware upgrade to complete.
Use Device Manager to
determine Alarm
Select Radio with A/B Toggle
Switch. Return to Auto
(Redundant System)
Remove and re-seat radio
module.
Select Radio with A/B Toggle
Switch. Return to Auto
Remove and re-seat one or
both radio modules.
Use Device Manager to
determine Alarm
MDS 05-6399A01, Rev. E