{"product_id":"yokogawa-ant401-50-s1-optical-attenuator-module","title":"Yokogawa ANT401-50\/S1 Optical Attenuator Module","description":"\u003ch2\u003eYokogawa ANT401-50\/S1 Optical Attenuator Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ANT401-50\/S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eANT401\u003c\/strong\u003e Optical Attenuator Module, operates as a dedicated hardware component for optical power attenuation and signal-level adjustment within Yokogawa AQ2200 optical test systems. The \u003cstrong\u003eANT401-50\/S1\u003c\/strong\u003e provides programmable attenuation of single-mode optical signals while maintaining optical path continuity for calibration, receiver sensitivity testing, and optical link characterization.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eANT401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Model\u003c\/td\u003e\n\u003ctd\u003eANT401-50\/S1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-50\u003c\/td\u003e\n\u003ctd\u003eAttenuation range\/configuration designation as specified by Yokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\/S1\u003c\/td\u003e\n\u003ctd\u003eSC-type single-mode optical connector configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNotes\u003c\/td\u003e\n\u003ctd\u003eNo additional suffix decomposition is specified in the provided documentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eANT401-50\/S1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSingle-Mode Optical Attenuator Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Platform\u003c\/td\u003e\n\u003ctd\u003eAQ2200 Multi-Application Test System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Fiber Type\u003c\/td\u003e\n\u003ctd\u003eSingle-mode fiber, 9.5\/125 um, NA 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength Range\u003c\/td\u003e\n\u003ctd\u003e1200 nm to 1650 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration Wavelengths\u003c\/td\u003e\n\u003ctd\u003e1310 nm, 1550 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAttenuation Range\u003c\/td\u003e\n\u003ctd\u003e0 dB to 60 dB (configuration dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAttenuation Resolution\u003c\/td\u003e\n\u003ctd\u003e0.001 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAttenuation Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1 dB at calibrated wavelengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsertion Loss\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1.0 dB typical, excluding connector loss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Power\u003c\/td\u003e\n\u003ctd\u003e+23 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Loss\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 45 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Connector Type\u003c\/td\u003e\n\u003ctd\u003eSC type (\/S1 configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 degC to +40 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSupplied through AQ2200 mainframe; module consumption not specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Optical Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eFor process instrumentation and measurement platforms, channel isolation and signal-path integrity directly influence measurement repeatability. The ANT401-50\/S1 performs attenuation through controlled optical power reduction while maintaining specified return loss characteristics of at least 45 dB. Low insertion loss at minimum attenuation settings reduces baseline optical path disturbance and supports calibration consistency across 1310 nm and 1550 nm test wavelengths.\u003c\/p\u003e\n\u003cp\u003eThe module integrates with AQ2200 system communication functions for automated control and attenuation sequencing through host interfaces supported by the mainframe. Optical connector cleanliness and proper fiber handling remain primary factors affecting attenuation accuracy and repeatability.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the ANT401-50\/S1 support hot insertion into an AQ2200 mainframe?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Hot-swap capability is not specified in the provided documentation. Module installation and removal should follow AQ2200 system procedures and manufacturer recommendations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can attenuation accuracy be maintained across the entire wavelength range?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The specified attenuation accuracy of +\/- 0.1 dB applies at calibrated wavelengths of 1310 nm and 1550 nm. Performance outside calibration points may vary according to system calibration conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What factors most commonly affect attenuation repeatability?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Optical connector contamination, fiber end-face damage, excessive connector wear, and improper mating procedures can influence insertion loss, return loss, and attenuation stability.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the AQ2200 mainframe is configured for the ANT401 series module before installation.\u003c\/li\u003e\n\u003cli\u003eInspect SC connector end-faces using approved optical inspection equipment.\u003c\/li\u003e\n\u003cli\u003eClean all optical interfaces using fiber-optic cleaning tools before mating connectors.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive fiber bend radius that may introduce additional attenuation.\u003c\/li\u003e\n\u003cli\u003eRoute optical fibers separately from high-power electrical conductors to minimize mechanical disturbance during testing.\u003c\/li\u003e\n\u003cli\u003eInstall dust caps on all unused optical ports.\u003c\/li\u003e\n\u003cli\u003ePerform attenuation verification at the intended operating wavelength after installation.\u003c\/li\u003e\n\u003cli\u003eRecord calibration wavelength settings and attenuation profiles as part of test system validation procedures.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44213841756248,"sku":"ANT401-50 S1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/ANT401-50S1-3.jpg?v=1781053236","url":"https:\/\/www.industriaxplc.com\/products\/yokogawa-ant401-50-s1-optical-attenuator-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}