DC connector female 5.5/2.1mm terminal block with push-down clamp

User friendly
DB25 male to 25 screw terminal blocks
With cape.
Can be obtained with DB25 Female, "nuts" nut on the DB25 connector

2-pole screw terminal block
2EDGE 5.08mm
Suitable for industrial or embedded PCs

DC7.9 til 5.5mm Power Charger Laptop Adapter Tip Connector converter.

Til Lenovo el. IBM notebooks

DB9 female connector
RS232 with terminal block screw terminals 1-9 Kirke RS232 / 485/422
D-SUB 9pin
3x 4.7 x 1.8 cm (4.7cm from front of DB9 connector to back of PCB)