National Instruments 653 Series User Manual page 100

In Figure C-1, the * indicates that you can reverse the pin assignments of the ACK1
Note
(STARTTIG1) and REQ1 pins, or the ACK2 (STARTTIG2) and REQ2 pins. To do this, set
the
ACK-REQ Exchange
set_DAQ_Device_Info
between two NI 653X devices using an SH-68-68-D1 cable.
Device
PCI/PXI/AT/
Compact PCI
NI DAQCard-6533
for PCMCIA
Signal Descriptions
© National Instruments Corporation
attribute to ON in the DIO Parameter VI in LabVIEW or in
in NI-DAQ. This allows you to perform handshaking I/O
Use Table C-2 to find the accessories designed for connecting signals to
your NI 653X.
Table C-2. 68-Pin Accessories
Shielded Cable
SHC68-68-D1—female 68-pin
SCXI connectors on both ends of
the cable
PSHR68-68-D1 and
PSHR68-68M
Use Table C-3 to find the function for each signal, which is based on the
mode and protocol you are using. All the signals on the NI 653X are
referenced to the GND lines.
Appendix C
Ribbon Cable
N/A
PR68-68F
C-3
Connecting Signals with Accessories
Cable Adapter
N/A
N/A
NI 653X User Manual