Connecting Single-Ended Devices with Open Collector Outputs

You can connect a device with open collector or open drain outputs to the NI-9361.

Figure 3. Connecting a Single-Ended Device with Open Collector Outputs

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An open collector device does not actively drive the signal high and relies on an external pull-up. The NI-9361 provides a 5 V pull-up on each DI+ pin that can be enabled individually to pull the signal high.