The Digital Multimeter Trigger Cable (p/n 184931-0R5) provides BNC connectivity to pins 6 and 9 via the 9-pin DIN connector on the DMM. Only 3 of the 9 pins are used on the DMM, as listed below.
- Pin 2 - Ground
- Pin 6 - Measurement Complete
- Pin 9 - External Input Trigger
If you need to make a custom cable, use the diagram found on page 3 of the NI 4021 Kit Installation Guide, see related links.