The Power Inhibit switch allows you to power on the chassis or place it in standby mode. With
an empty chassis in Default Mode, press down the Power Inhibit switch and hold it down for
one second. Observe that all fans become operational, the status LED is green, and the LINK
LED is solid amber (without a host PC). Pressing and holding the Power Inhibit switch again
for one second will return the chassis to standby.
Cabling
The following table shows the various MXI-Express Thunderbolt cables available from NI.
Table 2. NI MXI-Express Thunderbolt Cables
Description
Cable Length (Meters)
Part Number
MXI-Express Thunderbolt active cable
2 m
785607-02
MXI-Express Thunderbolt passive cable
2 m
785608-02
MXI-Express Thunderbolt passive cable
0.8 m
787580-0R8
Connect the MXI-Express Thunderbolt cable to the host PC Thunderbolt port and PXIe-1083.
The cables have no polarity, so you can connect either end to either Thunderbolt port. The
cable plugs are reversible, and there is no defined upstream or downstream port on the
PXIe-1083.
Caution
Although Thunderbolt is a hotpluggable technology, avoid removing the
cable after the system is powered on. Doing so can hang or cause errors in
applications communicating with devices behind MXI-Express Thunderbolt. If a
cable becomes unplugged, plug it back into the system.
For more information about MXI-Express Thunderbolt cabling, go to
Powering On/Off the MXI-Express Thunderbolt System
This chassis includes a feature to follow host power based on the Thunderbolt connection.
Refer to the table below to determine how to power on or off the chassis based on the
connection to the host.
Table 3. Chassis Inhibit Mode: Default (Refer to Inhibit Mode for More Information)
PXIe-1083 Power
Thunderbolt
Connection to Host
Actions Required
To power the PXIe-1083 on Not present
Press the power button
Hot plug a Thunderbolt cable with a
powered on host on the other end
Present
Power on the host
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PXIe-1083 User Guide
