© National Instruments | 2-7
X Series User Manual
• SHC68-68-EPM
1
—High-performance shielded cable designed for M/X Series devices. It
has individual bundles separating analog and digital signals. Each differential analog input
channel is routed on an individually shielded twisted pair of wires. Analog outputs are also
individually shielded.
Note The SHC68-68-EPM cable is recommended for
NI 6345/6349/6355/6365/6375 connector 0, but does not work on
NI 6345/6355/6365/6375 connectors 1, 2, or 3, nor NI 6349 connector 1.
• SHC68-68—Lower-cost shielded cable with 34 twisted pairs of wire. The cable is
recommended for NI 6345/6355/6365/6375 connectors 1, 2, or 3, and NI 6349 connector 1.
• RC68-68—Highly-flexible unshielded ribbon cable
Custom Cabling and Connectivity
NI offers cables and accessories for many applications. However, if you want to develop your
own cable, adhere to the following guidelines for best results:
• For AI signals, use shielded, twisted-pair wires for each AI pair of differential inputs.
Connect the shield for each signal pair to the ground reference at the source.
• Route the analog lines separately from the digital lines.
• When using a cable shield, use separate shields for the analog and digital sections of the
cable. To prevent noise when using a cable shield, use separate shields for the analog and
digital sections of the cable.
For more information about the connectors used for DAQ devices, refer to the document,
NI DAQ Device Custom Cables, Replacement Connectors, and Screws, by going to
ni.com/info and entering the Info Code rdspmb.
CA-1000 Custom Connectivity Enclosure
The CA-1000 is a configurable enclosure that gives user-defined connectivity and flexibility
through customized panelettes. Visit ni.com for more information about the CA-1000.
SHC68-C68-EPM Cable for Custom Connectivity
The SHC68-C68-EPM can be used for any device or module for which the SHC68-68-EPM is
recommended. The SHC68-C68-EPM is intended for custom breakout fixtures that use the
VHDCI 0.8 mm connector. All supported accessories listed in this manual feature a SCSI 0.050
D-Type connector and will not work with this cable.
USB Device Accessories, USB Cable, Power Supply, and Ferrite
NI offers a variety of products to use with the USB X Series devices, as shown in Table 2-3.
1
NI recommends that you use the SHC68-68-EPM cable; however, an SHC68-68-EP cable works with
X Series devices.
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