8.11SeaTalk
hs
LEDindications
LEDindicationsassociatedwiththeSeaTalk
hs
switcharedescribed
here.
LEDstatePossiblecauses
Forallconnectedchannels:1steady
and1ashinggreenLED.
Noproblemdetected(SteadyLED
indicatesnetworkconnectionFlashing
LEDindicatesnetworktrafc).
NoLEDsareilluminated.
NopowertotheSeaTalk
hs
switch.
SomeLEDsarenotilluminated.•Cable/connectionfaultsonthe
channelswithnon-illuminated
LEDs.
•Equipmentconnectedto
non-illuminatedLEDsmaybe
faulty.
8.12GPMprocessorunitLEDindications
LEDindicationsassociatedwiththeGPMprocessorunitare
describedhere.
LEDstatePossiblecauses
1ashing(500/500ms)greenLED.Normaloperation(Heartbeat).
1ashing(750/250ms)greenLED.Standbymode.
Offfor<2minutes.Startup.
Offfor>2minutes.
Nopower.
1steadyamberLED.•Poweron.
•Lamptest.
1ashingamberLED.Nolinkbetweenprocessors(network
fault).
2ashingamberLEDs.Nonetwork/cableunplugged.
3ashingamberLEDs.Overheatingwarning.
Flashing(750/250ms)LEDs
alternatingbetweenamberandgreen.
Softwareawaitingtobeupgraded,or
retrievingsoftwarefrommemorycard.
Flashing(750/250ms)LEDs
alternatingbetweenamberandred.
Retrievingsoftwarefrommemory
card.Thisconditionremainsuntila
validapplicationisavailablefromthe
memorycard.
1ashingredLED.Fanfault.
3ashingredLEDs.Overheatingerror.
4ashingredLEDs.
Flashwriteerror.
Troubleshooting
139