【ELECTROSWITCH】SW53AA1,
【ELECTROSWITCH】SW53AA2,
SW5501-SIS,SERIAL DEVICE SERVER 1-PORT
SW5502,SERIAL DEVICE SERVER 2-PORT
SW5502C-TB,SERIAL DEVICE SERVER 2-PORT
SW5502-SIS,SERIAL DEVICE SERVER 2-PORT
【Takachi Electric Industrial】SW-55B,
【Takachi Electric Industrial】SW-55S,
