Product_description: ['ADAM-3951-BE - Advantech CIRCUIT MODULE, Screw-Terminal Board with LED indicator 50-pin DIN-rail Wiring Board w/ LED Indicators The ADAM-3951 is a SCSI-II 50-pin wiring terminal module with LED indicators for DIN-rail mounting. This terminal module can be readily connected to the Advantech PC-Lab cards and allow easy yet reliable access to individual pin connections for the PCI-1752/1754/1756 card. Features Low-cost DIN-rail mounting wiring terminal module for PCI-1752/1754/1756 with 50-pin SCSI female connector Screw-clamp terminal blocks allow easy and reliable connections Each LED indicates its current bi-directional I/O logic status with either green or red light Case dimensions (W x L x H): 77.5 x 179.5 x 41.5 mm (3.1 x 7.1 x 1.6) To Be Used With PCI-1752U PCI-1754 PCI-1756', 'CIRCUIT MODULE, Screw-Terminal Board with LED indicator', 'The ADAM-3951 is a SCSI-II 50-pin wiring terminal module with LED indicators for DIN-rail mounting. This terminal module can be readily connected to the Advantech PC-Lab cards and allow easy yet reliable access to individual pin connections for the PCI-1752/1754/1756 card.'] (Page 1)