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Chapter 2
Connecting Signals
©
National Instruments Corporation
2-3
The rear signal connector is a 50-pin male cable connector used for analog
signal connectivity and communication between the SCXI-1521/B and the
connected E/M Series DAQ device. Table 2-2 shows the rear signal
connector and lists the pin assignments for the SCXI-1521/B. Grounding
signals AI GND and OUT REF provide reference signals needed in the
various analog input referencing modes on the E/M Series DAQ device.