User's Manual

 2
ConnecttheSG250GatewaytoPowerandRouter
1. PlugoneendoftheEthernetcabletotheEthernetportontheSG250gateway.
2. PlugtheotherendoftheEthernetcableintotheLANportonthebackofyourrouter.
3. PlugtheACpoweradapterconnectortotheSG250gateway’spowerport.
 (Power:External,
12VDC,1AmadebyLeaderElectronicsInc.;Model:MT12‐Y120100‐A1)
4.Nowplugthepoweradapterintoaproperlygroundedpoweroutlet.
5.MakesurethepowerLEDlightontheGatewaydeviceisgreen.
6.YourEthernetLEDlightisgreeniftheEthernetcableisconnected.

ConnecttheSG250toRouterWirelessly(WiFiisoptional)
1. FindouttheIPaddressoftheSG250Gateway.UsuallyyoucandothisbylookinguptheDHCPclientlist
fromtherouter’swebpage.Let’sassumeitis192.168.1.2.
2. UsingacomputerwithaSSHclient,connect totheSG250Gateway.
a. ForWindowscomputers,Puttyisa
goodSSHclientprogram.ConfigurePuttyusingitsGUIand
entertheIPaddressas192.168.1.2andport22,thenhittheconnectbutton.
b. ForLinuxcomputers,openaterminalandenter“sshroot@192.168.1.2”.
3. Ifpromptedforusername,enter“root”.Thereisnopassword.
4. Createaconfiguration
file.Typethiscommand
vi/config/wpa_supplicant.conf
Enterthefollowinginformationinsidethevitexteditor.Enter“i”tostarttheeditingmode .
network={
ssid="Your_Access_Point's_SSID"
psk="Your_WPA_or_WPA2_Passphrase"
}
Press“ESC”toexittheeditingmode.Savethefilebytyping“:wq!”.
5. Nowconnecttotherouter.Typethecommand
wpa_supplicant–Dwext–iwlan0–c/config/wpa_supplicant.conf–B
6. GetanIPfromtherouter.Typethecommand
dhclientwlan0
Ifyouseeamessagesimilarto“boundto192.168.1 .3‐‐renewalin35739seconds.”thatmeansyouare
successfullyconnected.
NotethisinstructionworkswithWPAorWPA2encryptedwirelessnetworksonly.

Congratulationsyouarenowconnected!
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