1U Plug-in Chassis https://www.wdmlight.com/1U-Plug-in-Chassis.html The 1U plug-in CWDM products are modular in design. Each CWDM card supports up to 18-wave CWDM multiplex/demultiplex. The CWDM card can be flexibly configured according to network requirements, which greatly saves customers\\\' fiber resources. The 1U chassis can provide 2/4 slots to support all types of CWDM cards. It is suitable for CWDM centralized deployment and is widely used in metropolitan area networks. 1U Plug-in Chassis Features Low insertion loss High channel isolation High stability and reliability Lightpath without glue process 2~18 channels are optional 1U Plug-in Chassis Specification Channel Number 4 8 16 18 CH Operating Wavelength 1260~1620 nm Center Wavelength@λc ITU Grid nm Channel Spacing 20 nm Channel Insertion Loss ≤1.8 ≤2.5 ≤3.5 ≤4.0 dB Channel band Bandwidth ≥λc±6.5 nm Channel Ripple ≤0.5 dB Adjacent Channel Isolation ≥30 dB Non-Adjacent Channel Isolation ≥45 dB Return Loss ≥50 dB Directivity ≥55 dB PDL ≤0.2 dB PMD ≤0.2 ps Power Handling ≤500 mW Operating Temperature 0~+70 °C Storage Temperature -40 ~+85 °C Fiber Type Corning SMF-28e Ultra - Package Size Standard 1U 19”,44(H)x442(W)x220(D) mm Fiber Adapter Type SC or LC