CV500-BSC61 RS-232C: 1 port OMRON CV500-BSC61
CV500-BSC61. RS-232C: 1 port. GP-IB: 1 port. (w/EEPROM).Product name: CJ2H (Built-in EtherNet/IP) CPU Units CV500-BSC61. Specifications: I/O capacity/Mountable Units(Expansion Racks), 2