
© National Instruments | 1-7
NI cDAQ-918x/919x User Manual
Figure 1-4. Ring Lug Attached to Chassis Ground Terminal
5. Make sure that no signals are connected to the C Series I/O module.
6. Align the C Series I/O module with the cDAQ chassis slot.
7. Squeeze both C Series I/O module latches, insert the I/O module into the module slot, and
press until both latches lock the module in place.
8. Wire the C Series I/O module as indicated in the C Series module documentation.
Note Connect I/O cable shields to the chassis grounding screw, shown in Figure 1-4,
unless otherwise specified in the C Series module documentation. Refer to the Chassis
Grounding Screw section for more information about making this connection.
9. Use a shielded straight through Category 5 Ethernet cable to connect the cDAQ chassis to
an Ethernet network.
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Connect one end to the RJ-45 Ethernet port on the chassis, and the
other end directly to your computer or any network connection on the same subnet as your
computer. Refer to the Ethernet Cabling section for information about the Ethernet cable.
10. (NI cDAQ-9191) If you want to connect the NI cDAQ-9191 to a wireless network, attach
the supplied antenna.
11. Power the chassis using the included power adapter or other 9-30 VDC power source. The
cDAQ chassis requires an external power supply that meets the specifications listed in the
specifications document for your cDAQ chassis.
The POWER and STATUS LEDs light. The POWER LED lights as long as power is being
supplied to the cDAQ chassis. The STATUS LED turns off after firmware boots. Refer to
the LEDs section for information about the LEDs on the cDAQ chassis.
12. Wire the C Series I/O module as indicated in the C Series module documentation.
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You can either use a shielded straight through Category 5 Ethernet cable or an Ethernet crossover cable to
connect the cDAQ chassis directly to your computer.
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