Optional extra long Rear Mounting Bracket 65 cm (EoS May 27, 2017 or while supplies last)

GigaTAP-TX copper tap module, 2 taps per module, 420 chassis (EoS May 27, 2017 or while supplies last)

GigaLINK-ER -XFP for GigaVUE-420, SM 1550 10 Gig port module (EOS)