Manual ETH-DIO-488Optional Accessories CAB50F-6 Six-foot ribbon cable assembly with50-pin female connectors CAB50-6Six-foot ribbon cable assembly witha 50-pin female header connectorand a 50-pin female edge connector STB-50Screw terminal board, typically shipswith standoffs but can also mount onSNAP-TRACK or DIN-SNAP STB-48CH50-Pin Multi-Header Universal ScrewTerminal Board with steel powder coatedenclosure for up to 48 Digital I/O Channels STB-DIO-48-ETHPlug-in Spring-Cage Terminal Board for 48Digital I/O Channels (used inside enclosurefor ETH-DIO-48) IIB-24 24-Channel Optically Isolated Input Board ROB-24 24-Channel Electromechanical Relay Board DIN-SNAP-6Six inch length of SNAP-TRACK withtwo clips, for mounting one STB-50screw terminal board on a DIN rail DIN-SNAPOne foot length of SNAP-TRACK withfour clips, for mounting up to two STB-50screw terminal boards on a DIN rail MP104-DIN DIN-rail mounting adapter plate foraffixing any ETH/104 module to a DIN-rail