SerialInterfaceSelection
Theserialadaptersupportsdifferentinterfacetypeswhichareselectedbyplacementofjumpersonthe
card.Eachporthasthreerowsofheaders(pinsstickingupfromthecard).Eachrowislabeledwitha
portnumberandaninterfacetype(RS‐232,V.35,RS‐422/485).Placejumpersontheheaderrowlabeled
withthedesiredinterfacetype.Theinterfacetypemustmatchthatoftheconnectedcom munications
equipment.
Interfaceselectionispresetatthefactoryasspecifiedbytheorderingcode.Theselectionmaybe
changedbymovingthejumperstothedesiredheaderrowasdescribedabove.Useplierstoremovethe
jumpersfromthecurrentposition,carefullyworkingthejumpersloosefromtheheaders.Takecareto
notdamagethecardorcauseinjury.
Someinterfacetypesrequireaconversioncableinadditiontoaspecificjumpersettingtoprovidethe
necessaryconnectortype.RefertotheSerialPinAssignmentssectionformoredetails.
Figure2 InterfaceSelectionJumpers