This part of IEC 61753 contains the minimum initial performance, test and measurement requirements and severities which a fibre optic pigtailed 980/1 550 nm wide wavelength division multiplexing (WWDM) device will satisfy in order to be categorized as meeting the requirements of category C (indoor controlled environment), as defined in IEC 61753-1:2018, Annex A.
WWDM is defined in IEC 62074-1. The requirements cover devices with single-mode non-connectorised pigtails.
This device has three ports; 980 nm port, 1 550 nm port and common port for output or combining 980 nm and 1 550 nm.
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