IEC 61300-2-1 Fiber Optic Interconnection Devices and Passive Components - Part 2-1: Vibration (Sinusoidal) Testing

Material Testing

IEC 61300-2-1 Fiber Optic Interconnection Devices and Passive Components - Part 2-1: Vibration (Sinusoidal) Testing

EUROLAB laboratory provides testing and compliance services within the scope of the IEC 61300-2-1 standard. This part of the IEC 61300 standard evaluates the effects of vibration on fiber optic devices in the dominant frequency ranges and magnitudes that may be encountered during field service. Most vibrations encountered in service are not of a simple harmonic nature. However, tests based on such vibrations have been shown to be satisfactory for real service simulation.

IEC 61300-2-1 Fiber Optic Interconnection Devices and Passive Components - Part 2-1: Vibration (Sinusoidal) Testing

This procedure is derived from IEC 60068-2-6, test Fc. The device under test (DUT) is mounted in a vibration generator and vibrates in a sinusoidal motion. The DUT is subjected to vibration in three perpendicular directions, one of which is parallel to the optical axis. The vibration amplitude is specified either in terms of constant displacement or constant acceleration.

The device shall comply with IEC 60068-2-6, test Fc and shall consist of the following elements. A vibration generator and auxiliary test equipment capable of producing sinusoidal excitation are used.

A suitable DUT mounting apparatus capable of transmitting the specified vibration conditions shall be used. The mounting fixture should be designed in such a way that the resonant vibration in the fixture does not have an effect on the specified frequency range. The amplitude and acceleration of the applied vibration should be monitored on the test fixture near the DUT mounting points.

Unless otherwise specified, measurement equipment specified in IEC 61300-3-3 must be connected to the DUT for monitoring optical performances during testing; Also, transient loss measurement equipment specified in IEC 61300-3-28 shall be used to detect rapid attenuation change.

The DUT should be securely mounted to the fixture to simulate normal mounting as closely as possible. A minimum of 200 mm of fiber optic/cable at both ends of the DUT must not be supported and must be connected tension-free to the vibrating surface. The procedure is performed according to IEC 60068-2-6, test Fc. The DUT will vibrate in three mutually perpendicular axes coinciding with the major axes of the device. If the sample has axial symmetry, the number of axes to be tested can be reduced to two. Vibration immunity shall be achieved by continuously sweeping at a certain rate between minimum and maximum frequency.

The DUT should be allowed to remain under standard test conditions for 61300 hours, as defined in IEC 1-2, unless otherwise specified in the relevant specification. DUT should be cleaned according to the manufacturer's instructions.

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