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FAQs
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a. HowisaccesstothesensornetworklockedattheCMS?
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Nodesare only allowed to join the networkifthereceiver allows them to. This is true evenifthenodesare
identifiedasSonNetNodesandhavethecorrectencryptionkey.
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Therearetwomethodstoconfiguringthereceivertoacceptnodesontothenetwork.Inordertoauthorisea
nodetheCMSmustbeinadministrationmode(File‐>SwitchAdminModemustbeticked).
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• Auto‐CommissioningMode
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TheCMSallowsthereceivertobeswitchedtoauto‐
commissioningmode.Inthismodeany
nodes that can correctly identify themselves as SonNet nodes will be allowed to join the
network.AnynodesthatdojoinwillbeaddedtotheCMStextualdisplay.
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• ManualMode
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Inmanualmodeindividualnodescanberemovedfromoraddedto
theauthorisednodelist
fromtheCMS.Manualmodeisthedefaultmode.
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A node can then be authorised by Options‐>Authorise (add) a new node or selecting the
same option on the right click menu in the Textual or Graphical parts of the application
display.
Theusermusttype
theMACaddress(onPCBandproducthousing)ofthenewnodeintothe
dialogthatappearsandcanalsogivethenodeatextualname(upto10characters)
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b. WhydosomemenuitemsdisappeariftheCMSapplicationisidleforsometime?
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The CMS has
a timeout that operates when in Admin mode. If there is no activity for some time the CMS
applicationwillexitadminmodeandsomeadminmenuitemswillbedisabledorremoved.
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ThetimeoutcanbesetinOptions‐>ChangeIdleTime.
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Adminmodecanbeenteredagain
inFile‐>SwitchAdminMode
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c. TheCMSapplicationrightclickmenuhasstoppedbeingprovided.Why?
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ThisprobablymeansthattheCMShasdetectedthatthereceiverhasbeendisconnectedfromthePC.Thiswill
beindicatedonthestatusbaratthebottomleftsideoftheCMS
applicationwindow"ReceiverDisconnected".
InthisstatemanyoftheCMSfacilitiesaredisableduntiltheReceiverisconnectedagain.
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d. Howarethenetworknodenamesstored,aretheypersistent?
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Thenodenamesarestoredinthereceiverhardwareinnon‐volatilememory.Thereforethesewillbethe
same
evenifadifferentPCisattachedtothesystem,orthereceiverisreset/powercycled.
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e. IntheCMSapplicationwhatisanUnknownnode?
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Theapplicationwilllistallnodesthathavebeenaddedtothesystemasunknowninitially.Assoonasanode
is
added (either manually or by theuse of auto commissioning mode) a request is sent to it to establish what
typeofnodeitisandwhatcapabilitiesithas.
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Asaresultanodewillbecategorizedasunknownuntilaresponseisreceivedfromit.Ifthe
noderemainsoff‐
lineordoesnotrespondforanyotherreasonitwillremaininthiscategory.
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TheCMSwillsendarequesteachtimeitisstartediftherearestillunknownnodesinthesystem.