Testing a fiber optic cable for continuity using a Visual Fault Locator (VFL) and an Optical Power Meter (OPM) involves two separate procedures that, when combined, provide a good indication of whether the fiber is intact and transmitting light. To test with a VFL, first, connect the VFL to one end of the fiber optic cable. Ensure the connectors are clean before connecting. Activate the VFL. At the opposite end of the cable, visually check for the red or green light emitted by the VFL. If the light is visible, this indicates that the fiber is continuous and not broken. However, a VFL can only indicate the presence of a....
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