... With major infrastructure vendors OLT equipment .4.High-speed EPON access, provide users with broadband Internet, ... ,call waiting, telephone hot lines,alarm clock, speed dial and other value-added services RFC2833, distinctive ... call waiting, telephone hot lines, alarm clock, speed dial and other value-added services l Support 2 ... (H)Net weight 0.5kg ethernet passive optical network gigabit switch-EPON