ADTRAN Total Access 372 - Securing the Unit Post-Installation

Total Access 372 Small Business Unit ONT Installation and Maintenance Guide
36 61287722G1-5B
LEDs in Fault State
DescriptionsofeachLEDarelistedinTable 9onpage 33withpossiblecausesforfaultLED
conditions.Aflowchartfortroubleshootingtheproblemforeachfaultconditionisprovided
inFigure18onpage37.
SBU ONT Trouble Isolation
ThissectiondescribeshowtoisolateproblemsbasedonfaultsreportedthroughLEDs:
• “UPSPowerLEDs”
• “NETStatusLEDOff”onpage 37
• “POTSTroubleshooting”onpage 38
UPS Power LEDs
AUPSPowerLEDthatisoffindicatesthereisnopower.RefertoTable10todetermineifa
problemexists.
Table 10. Power LEDs
Label LED Status Description
AC
z
z
Green
Yellow
UPSisonAC
UPSisonBattery
Output
{
z
Off
Green
Nopower
UPSisprovidingDCtoSBUONT
Battery
{
z
Off
Red
BatteryisOK
Batteryisnotconnectedorisbad