4 PCS Single Mode Loopback Plug Tester SC for APC Fiber Optical Duplex Cable Adapter 9/125

[Main Parameters] Loopback tester with SC connector plug for APC end face and single-mode fiber; supports an operating temperature of -20~70. [Operating Principle] Pairwise connected TX transmitting face transmits 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 an A-level zirconium ceramic core, which provides low insertion loss ( 0.3 db) and low return loss (60db), 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 pull, and can work more than 1000 times.

[Widely Application] It can detect potential abnormalities by testing the signal return of optical system debugging, optical fiber communication system, CATV system, etc