| 50009-XX189LF |  | Amphenol Communications Solutions | High Pin Count, Backplane Connectors, Header, Vertical, Press-Fit, 4 Row, 320 Positions, 0 Guide Pin, 2.54mm (0.100in) Pitch | PDF |  | 
| 50009-XX190LF |  | Amphenol Communications Solutions | High Pin Count, Backplane Connectors, Header, Vertical, Press-Fit, 4 Row, 220 Positions, 0 Guide Pin, 2.54mm (0.100in) Pitch | PDF |  | 
| 50009-XX187LF |  | Amphenol Communications Solutions | High Pin Count, Backplane Connectors, Header, Vertical, Press-Fit, 4 Row, 400 Positions, 0 Guide Pin, 2.54mm (0.100in) Pitch | PDF |  | 
| 50009-XX188LF |  | Amphenol Communications Solutions | High Pin Count, Backplane Connectors, Header, Vertical, Press-Fit, 4 Row, 320 Positions, 0 Guide Pin, 2.54mm (0.100in) Pitch | PDF |  | 
| 50009-XX191LF |  | Amphenol Communications Solutions | High Pin Count, Backplane Connectors, Header, Vertical, Press-Fit, 4 Row, 140 Positions, 0 Guide Pin, 2.54mm (0.100in) Pitch | PDF |  |