User's Manual

MDS 05-6399A01, Rev. D MDS Master Station 79
Table 7-1. Status LEDs – Normal Operation
Platform Manager PWR
ALARM
ETH1/ETH2
BLUE
OFF
Flashing with Ethernet traffic
Active Radio Module PWR/ALARM
ACTIVE
TX
RX
GREEN
GREEN
Flashing BLUE when transmitting
Flashing BLUE when receiving
Standby Radio Module
(if present)
PWR/ALARM
ACTIVE
TX
RX
GREEN
OFF
OFF
OFF
Alarm Module ALARM MAJ.
ALARM MIN.
ACT A & ACT B
OFF
OFF
One BLUE, one OFF
7.1.2 Exception and Alarm States
The first indication of a problem is usually an illuminated ALARM LED on one or more of the modules.
The first place to look is the Alarm or Alarm/Relay module. If the PWR/Alarm LED is RED
Table 7-2. Status LEDs – Exception and Alarm States
Module LED Behavior Meaning Troubleshooting Action
Platform Manager PWR Flashing
(BLUE)
Booting / System
Initialization
Wait several minutes for
system to boot.
Platform Manager ALARM Flashing
(BLUE)
Master Station
Alarm
Use Device Manager to
determine Alarm
Radio Module PWR/ALARM Flashing
GREEN
Radio power up Wait several seconds for
radio to boot.
Radio Module PWR/ALARM
& ACTIVE
Alternating Radio Firmware
update
Wait several minutes for
firmware upgrade to com-
plete.
Radio Module PWR/ALARM Flashing
RED
Radio Alarmed Use Device Manager to
determine Alarm
Radio Module(s) ACTIVE Both/Only
Modules
OFF
No active radio in
the system
(Alarm/Relay Mod-
ule may still indi-
cates Active A or B)
Select Radio with A/B
Toggle Switch. Return to
Auto (Redundant System)
Remove and re-seat radio
module.
Both Radio
Modules
(Redundant
Only)
ACTIVE Both Mod-
ules GREEN
System ERROR -
both radios active
(Alarm/Relay Mod-
ule may still show
only one active)
Select Radio with A/B
Toggle Switch. Return to
Auto
Remove and re-seat one or
both radio modules.
Alarm Module ALARM MAJ.
ALARM MIN.
RED Master Station Ma-
jor or Minor Alarm.
Use Device Manager to
determine Alarm