{"product_id":"black-box-test-and-troubleshoot-fiber-optic-links-in-networks-or-devices-loopbacks-loop-1","title":"Black Box Test And Troubleshoot Fiber Optic Links In Networks Or Devices. Loopbacks  Loop","description":"Test and troubleshoot fiber optic links in networks or devices.Loopbacks  loopback  the signals from the transmit to the receive pairs.Use to locate faults.Features a ceramic ferrule.","brand":"Black Box","offers":[{"title":"Default Title","offer_id":67747488366899,"sku":"ETS4158557","price":54.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.systemsdirect.com\/products\/black-box-test-and-troubleshoot-fiber-optic-links-in-networks-or-devices-loopbacks-loop-1","provider":"SystemsDirect.com","version":"1.0","type":"link"}