FBT COUPLER Ultra Flat Dual Window Coupler 50/50 (Based on 50/50) Parameter Premium Operating Wavelength Range A Grade 1310 ± 50 nm & 1550 nm ± 75 nm Insertion Loss ≤ 3.6 dB ≤ 3.8 dB Uniformity ≤ 0.8 dB ≤ 1.0 dB Return Loss ≥ 55 dB (1x2) ≥ 65 dB (2x2) PDL ≤ 0.15 dB TDL ≤ 0.2dB (- 10° C ~ + 75° C) ≤ 0.35dB (- 40° C ~ + 85° C) Operating & Storage Temperature Package Dimensions - 40° C ~ + 85° C Light Duty ( B ) 3.0mm (Φ) x 55.0mm (L) Medium Duty ( L ) 3.0mm (Φ) x 60.0mm (L) Heavy Duty ( K, R ) 100.0mm x 12.0mm x 8.0mm Tree Couplers (Equal Split) Port # 1x4 1x8 1 x 16 Max IL Premium 7.4 dB 11.2 dB 14.8 dB Uniformity Premium A Grade 1.5 dB 1.8 dB 2.2 dB 2.6 dB 3.0 dB 3.6 dB A Grade 7.8 dB 11.6 dB 15.4 dB PDL 0.3 dB 0.4 dB 0.5 dB Note1: All values specified are without connectors. Note2: Higher performance specifications are available upon request. Note3: Fiber Type – Corning SMF-28e. U F D - Port Number 12: 1 x 2 22: 2 x 2 14: 1 x 4 18: 1 x 8 116: 1 x 16 www.lighteltech.com 2210 Lind Ave SW, Suite 100 Renton, WA 98057 USA (425) 277-8000 ph. (425) 277-5280 Fax Grade P: Premium A: A Grade Coupling Ratio xy % : xy % EVEN: even split - - Fiber Length Pigtail Style 1: 1 meter (=Package style) 2: 2 meter B: bare fiber S: Special L: 900 µm loose tube K: 2mm cable R: 3mm cable All rights Reserved 2009 Connector 0: None 1: FC/PC 2: FC/APC 3: SC/ PC 4: SC/APC 5: FC/SPC 6: SC/SPC 7: LC/UPC 8: LC/SPC 9: Special A: FC/UPC B: SC/UPC C: ST