Users Manual

MDS 05-6399A01, Rev. G MDS™ Master Station 123
Table 8-1. Status LEDs – Normal Operation
Platform Manager
PWR
ALARM
ETH1/ETH2
BLUE
OFF
Flashing with Ethernet traffic
Active SD Radio Module
PWR/ALARM
ACTIVE
TX
RX
GREEN
GREEN
Flashing BLUE when transmitting
Flashing BLUE when receiving
Standby SD Radio Mod-
ule
(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
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 and see if the PWR/Alarm
LED is RED.
Table 8-2. 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
SD Radio Module PWR/ALARM Flashing
GREEN
Radio power up Wait several seconds for radio
to boot.
SD Radio Module PWR/ALARM &
ACTIVE
Alternating Radio Firmware
update
Wait several minutes for
firmware upgrade to complete.
ALL Radio Modules PWR/ALARM Flashing RED Radio Alarmed Use Device Manager to
determine Alarm
ALL Radio
Module(s)
ACTIVE Both/Only
Modules OFF
No active radio in the
system (Alarm/Relay
Module may still
indicates 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
Modules
GREEN
System ERROR - both
radios active
(Alarm/Relay Module
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 Major
or Minor Alarm.
Use Device Manager to
determine Alarm
8.2 Redundant Units
The active radio can be identified by the corresponding LED on the alarm/relay module as well
as the active LED on the radio module. The active unit is normally selected automatically. For
troubleshooting, the toggle switch can be used to manually set the active radio. Alternatively, the