National Instruments NI 9264 - Manual (Page 10)

NI 9264 Operating Instructions and Specifications 10 ni.com
Connecting Wires to the NI 9264 Connector
Use a flathead screwdriver with a blade smaller than 2.3 × 1.0 mm
(0.09 × 0.04 in.) to connect wires to the detachable spring-terminal
connector. Insert the screwdriver into a spring clamp activation
slot and press a wire into the corresponding connector terminal,
then remove the screwdriver to clamp the wire into the terminal.
Refer to the
Specifications section for more information about
spring-terminal wiring. Refer to Figure 5 for an illustration of
connecting wires to the NI 9264.
Figure 5. Connecting Wires to the NI 9264 Connector