Visual Fault Locator (VFL) 30mW 30km, Fiber Optic Network Cable Tester Detector Meter Red Light Pen for FC, SC, ST, LC, Includes a 1.25mm Adapter Compatible With Fujitsu RiteAV 100M 40Gb OM4 Multimode

RiteAV 100M 40Gb OM4 Multimode Simplex Fiber Optic Cable (50/125) - LC to LC - Magenta

the adapters/couplers also yield great interchangeability

RiteAV 75 Meter 40Gb OM4 Multimode Duplex Fiber Optic Cable (50/125) - LC to SC - Magenta

1000BASE-CWDM 1450nm GBIC Transceiver Compatible With Cisco - CWDM-GBIC-1450

5M - 10 Gigabit (10Gb) OM3 Duplex Fiber Optic Patch Cable Cord (50/125) - FC to FC

Visual Fault Locator (VFL) 30mW 30km, Fiber Optic Network Cable Tester Detector Meter Red Light Pen for FC, SC, ST, LC, Includes a 1.25mm Adapter Compatible With Fujitsu RiteAV 100M 40Gb OM4 MultimodeVisual Fault Locator (VFL) 30mW 30km, Fiber Optic Network Cable Tester Detector Meter Red Light Pen for FC, SC, ST, LC, Includes a 1. 25mm Adapter