StarTech.com LOOPBACKMTP12OS2SMF, Fiber cable tester, MPO/MTP, Loopback testing, Black, Green, Yellow, Acrylonitrile butadiene styrene (ABS), Single-mode StarTech.com LOOPBACKMTP12OS2SMF. Product type: Fiber cable tester, Supported connectors: MPO/MTP, Test type: Loopback testing. Compliance certificates: CE, RoHS, Trade Agreements Act (TAA). Weight: 4 g. Package width: 220 mm, Package depth: 120 mm, Package height: 13 mm. Master (outer) case width: 430 mm, Master (outer) case length: 335 mm, Master (outer) case height: 400 mm