AFL’s ROGUE OLTS Certifier measures insertion loss, return loss, and length bi-directionally to industry standards on both multimode and singlemode networks. Offered as a matched pair of units, with each unit featuring 4 test ports. Two of the ports combine a light source and power meter to enable bi-directional testing on single or dual fibers. The other two ports are a dedicated power meter and a visual fault identifier (VFI) to help troubleshoot networks. Price per each. Request quote below.