Bullet_point: ['ADAM-3951-BE - Advantech CIRCUIT MODULE, Screw-Terminal Board with LED indicator 50-pin DIN-rail', 'Case dimensions (W x L x H): 77.5 x 179.5 x 41.5 mm (3.1" x 7.1" x 1.6")', 'Each LED indicates its current bi-directional I/O logic status with either green or red light', 'Each LED indicates its current bi-directional I/O logic status with either green or red light.', 'Low-cost DIN-rail mounting wiring terminal for PCI-1752/1754/1756 with 50-pin SCSI female connector', 'Low-cost DIN-rail mounting wiring terminal module for PCI-1752/1754/1756 with SCSI-II 50-pin female', 'Screw-clamp terminal blocks allow easy and reliable connections', 'Screw-clamp terminal blocks allow easy and reliable connections.', 'To Be Used With PCI-1752U, PCI-1754, PCI-1756', 'To be used with: PCI-1752, PCI-1754, PCI-1756'] (Page 1)