Chapter 2 Installation 132.4 Setting jumpers2.4.1 IntroductionYou may configure your card to match the needs of your applica-tion by setting jumpers. A jumper is the simplest kind of electricalswitch. It consists of two metal pins and a small metal clip (oftenprotected by a plastic cover) that slides over the pins to connectthem. To "close" a jumper, you connect the pins with the clip. To"open” a jumper you remove the clip. Sometimes a jumper willhave three pins, labeled 1, 2, and 3. In this case you would connecteither pins 1 and 2 or 2 and 3.The jumper settings are schematically depicted in this manual asfollows:A pair of needle-nose pliers may be helpful when working withjumpers.If you have any doubts about the best hardware configuration foryour application, contact your local distributor or sales representa-tive before you make any changes.Generally, you simply need a standard cable to make mostconnections.132Closed 2-3Open ClosedClosed 2-3Open Closed1 2 3