JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page.Edit Pair Options window Use this window to change pair options. For instructions, in the Help Contents tab, click Maintaining the UR system Pair maintenance Changing pair options Item Description Error Level The pairs that are split if an error occurs. Mirror: All pairs in the mirror are split. LU (UR): Only the failed pair is split. Parent TopicEdit Pair Options wizard