Specifications
statusandportlevelmonitoringinformation.showsthetrunkcard
LEDs.
Figure5CT1andCE1TrunkCardFrontPanelLEDs
TherearetwotypesofLEDsfortheT1andE1trunkcards:
• CardlevelLEDs,whichprovidestatusinformationforcard
maintenance
• PortassociatedLEDs,whichprovidewarningsignalsand
configurationstatusonaperportbasis.
AllLEDsarevisiblefromthefrontpanel.(See.)liststheCT1andCE1
trunkcardLEDsandtheirfunctions.
Table1CT1andCE1TrunkCardLEDDescriptions
Indicator Color Description
PWR(Power
OK)
Green Lightswhen5Vpoweris
active.
Maint
(Maintenance)
Yellow Lightswhenthereareno
activecallsonthecardand
youhavecompletedacard
levelsoftwarebusyout.
Indicatesthecardisreadyto
beremoved.
E1FR(E1
Framing)
Green E1trunkcardonly.Lights
whenthecardisconfigured
forE1framing.
T1FR(T1
Framing)
Green T1trunkcardonly.Lights
whenthecardisconfigured
forT1framing.
HCPU(Host
CPUOK)
Green LightswhenthehostCPUis
operatingnormally.
FCPU(Framer
CPUOK)
Green LightswhentheframerCPUis
operatingnormally.
CT1andCE1TrunkCardPortMonitoring
TheCT1andCE1trunkcardfrontpanelsaredesignedwithaliquid
crystaldisplay(LCD)toprovidetrunkcardstatusandportlevel
monitoringinformation(seeand).Thecurrentportnumberdisplayed
intheLCDalsocorrespondstothefourportassociatedLEDs.
describestheportassociatedLEDsandtheirfunctions.
Table2CT1andCE1TrunkCardPortAssociatedLEDs
Indicator Color Description