iFT Series Hardware Installation Manual ADPRO
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11 Modem
YoucanconnectonemodemtotheXOdevice,tothe/dev/ttyU1USBport.YoucanuseeitheraPSTN/ISDNor
a3G/4Gmodem.
l PSTN or ISDN modem:youconnectaclassicPSTN(ISDN)modemwithserialporttothedevicebymeans
ofaUSB-to-RS-232converter.ThisUSB-to-RS-232converterneedsaspecificFTDIchip.
TheStollmanTA+USBAistheonlyISDNmodemwithUSBinterfacethatyoucanusewithoutaconverter.
l 3G/4G modem:theXOdevicesupportsonlytheSierraWirelessAirlinkRavenXEmodem.Xtralisdoesnot
guaranteethatanyother3G/4Gmodemwillworkproperly.
ConnectthemodemtoUSBinput1(/dev/ttyU1).
RestarttheXOclientsoftwarebeforeconfiguringthemodem.Formoreinformation,seetheXO Client Software
User Manual(21796).