Description Description S190 – TB820V2 Modulebus Cluster Modem Optical cluster modem for non redundant operation. Including: 1 pcs Power Supply Connector 1 pcs TB807 Modulebus Terminator Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE072270R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE042257R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE038226R1 Read more