Main ParametersLoopback tester are with LC-UPC connector plug and single-mode fiber; supports -20~70 operating temperature ^^ Operating Principle Pairwise connected TX transmitting face transmit the signal back to the RX receiver face to test and evaluate the elements or interfaces of the optical fiber network. ^^ Stable Signal Transmission the looper adopts A-level zirconium ceramic core, which is low insertion loss ( 0.3 db) and low return loss ( 50db), high interchangeability ( 0.2 db) and high repeatability ( 0.2 db) ^^ Standard Size The product meets the dual fiber adapter size standard for easy and accurate plug and pullwhich can work more than 1000 times.
^^ Widely ApplicationIt can detect potential abnormalities by testing the signal return of optical system debugging, optical fiber communication system, CATV system, etc.