Installation Guide

FinMInstallationGuide Release4.5.25 2‐26
SynchronizationUnits SiteInstallation
OutdoorSynchronizationUnit(OSU)
TheOutdoorSynchronizationUnit(OSU)providesamastersynchronizationclockforallTBS
units,andisconnected tooneofthenetworkswitches.
ItishousedinthesamehousingasaTBSunit,andisinstalledinthesamemannerasaTBS
(seeTBSMountingonpage 2‐4).ItreceivesaGPSsynchronizationsignal,andcanuseits
integratedGPSantenna,oranexternalGPSantenna.
Figure2‐54:OSUexternalconnections
Table2‐3:OSULEDIndicators(PoEport)
LEDLocation
LED
Color
Off On Blinking
Yellow Nopower
GPS
synchronization
Inte rnal
synchronization
Green
NoLAN
connectionor
Nopower
ALANconnection
exists,butnodata
isflowing
OSULEDsshut
offafter5
minutesof
operation.
Dataisflowingvia
theLAN
connection
Antenna(RF)
connectionsare
notused
Yellow Green