Jumpers yog luv xov hlau siv los tsim kev sib txuas ntawm cov khoom siv. Nws feem ntau yog siv los txuas cov khoom siv xws li khoos phis tawj, servers, keyboards, thiab lwm yam, txhawm rau xa cov ntaub ntawv lossis cov teeb liab. Qhov ntev ntawm lub jumper yog luv luv, feem ntau tsis tshaj li ob peb meters. Lub network cable yog ib hom kab ntev siv los xa cov ntaub ntawv hauv cov tsev lossis ntawm qhov chaw sib txawv. Nws feem ntau yog siv los txuas ntau yam khoom siv hauv computer network, xws li khoos phis tawj, routers, keyboards, thiab lwm yam. Qhov ntev ntawm lub network cable tuaj yeem hloov kho raws li kev xav tau, uas tuaj yeem ncav cuag kaum metres lossis ntev dua. Jumpers feem ntau txuas nrog siv plugs thiab sockets, thaum lub network cables feem ntau txuas nrog siv RJ45 plugs thiab sockets.
