... ±40,1550±40,1585±40,or custom wavelength Singlemode Dual/Three Window Tree/Star CouplersPort Configuration1X4(2X4) ... -Coupling Ratio-Fiber Type-Package-Pigtail Type-Pigtail Length-ConnectorType TypeS=Coupler A=In-Line Attenuator W=WDMPort0101= ... =5/95 or 1dB, 10=10/90 or 10dB, 15=15/85 45=45/5500=equal ratio, ... 0=Adapter, X=OthersConnector TypeFU=FC/UPC, FA=FC/APC, SU=SC/UPC, SA=SC/APC,ST=ST/UPC, LU=LC/ ...