Overview Reviews Product Description Allied Telesis 1000BaseSX SFP (550m with 50/125um MMF, 850nm) Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Allied Telesis Allied Telesis 1000BaseSX SFP (550m with 50/125um MMF, 850nm) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments