MG-480RSW
Redundancy Switch Controller
The MG-480RSW is Redundancy Switch Controller Unit  19"  1RU, The MG-480 is Redundancy Switch Controller Unit  19"  2RU
MAC-480RSC
Redundancy Switch Controller
The MG-480RSC is Redundancy Switch Controller Unit  19"  1RU, The MG-480 is Redundancy Switch Controller Unit  19"  2RU