User's Manual

APPENDIXE
TROUBLESHOOTING
Revised: 06 Jan 2017 APX E-1 ESTeem Horizon Series
TestingCommunication Link
Afteryouhave configuredatleasttwooftheHorizonwirelessEthernetmodemsforoperation,youcanverifycommunicationwith
eachthefollowingsteps:
StatusLight
ThequickestsourceoflinkstatusistoviewtheStatus
LEDonthefaceoftheHorizon(Figure1).IftheStatus
lightissol
id,theHorizonhasaconnectiontoanother
HorizonlistedinthePeerTable.
WirelessStatusScreen
To view detailed information on the status of the
communicationlink(suchasconnectionspeed,signal
strength and last update time) you can open the
WirelessStatusScreenfromtheWebInterface.After
presstheStatu
stabatthetopofthescreentheStatus:
SummarywillbedisplayedshowingthestatusofallportsandmemoryintheHorizon.UndertheWirel ess Statusheadingclickon
theViewPeerTable(Figure2).
Peers‐The Peer Table will
display all connected
Horizons configured as a
Peer link to this ESTeemby
their Wireless (WLAN) MAC
address.
Received Signal Strength
The AntSignal column will
display the receive signal
strengthforeachofthetwo
antenna ports.The first
antenna port islistedas A1
while the second (receive
only)portislistedasA2.You
mayreceiveasignallevelon
A2 although no antenna is
attached.Thissignalstrengthvalueisli
stedindBm.
LastRXandDataRateThisisthetimeofthelastreceiveddatapacket.Whenmonitoringthestatusmenu,itisimportanttonote
thetimethelasttransmissionwasupdatedsoyouarenotlookingat“stale”data.Avalueof0inthetimerepresentsacurrent
(lessthan1second)receivevalue.ThecurrentdatarateofthelastdatapacketreceivedwillalsobeshownbytheHorizon.The
speedisdisplayedinMbps.Forexa
mple,inFigure2aLastRxvalueof0@72.2representsanRFpacketreceivedwithinthelast
secondrunningat72.2Mbps.
Note:TheESTeemHorizonusesspreadspectrumtechnologythatanalyzeseachdatapacketforsignalstrengthanddataquality
(strengthvs.noise).Thehigheryoursigna
l,themorebackgroundnoiseyoucansustainwithoutcausingdegradationinthedata
transfer.Thisisalsotrueforlowersignalstrengthswithaverylowbackgroundnoise.Thesevaluesareprovidedforguidanceand
Figure1:ConnectionStatusLight
Figure2:PeerStatus