©
National Instruments Corporation
13
NI 653x Cable Adapter User Guide
Specifications
Digital I/O
VHDCI DIO channels ............................ 32, single-ended
VHDCI control channels........................ 6, single-ended
DAQ DIO channels ................................ 32, single-ended
DAQ control channels............................ 8, single-ended
Traces
Type ....................................................... Matched length to 100 mils
AC impedance........................................ 50
Ω
Power
Maximum voltage rating ........................ 5.5 V
Physical
Dimensions............................................. 62.7
×
69.3
×
16.7 mm
(2.47
×
2.73
×
0.66 in.)
I/O connectors ........................................ 68-pin VHDCI connector,
6 position screw terminal,
8 position screw terminal,
68-pin DAQ connector
Recommended wire gage ....................... 22-26 AWG
Recommended torque
for screw terminals................................. 0.3 N-m (2.7 lb-in)
Recommended torque
for cover screws ..................................... 0.23 N-m (2.0 lb-in)
Weight .................................................... 60 g (2.1 oz)
Caution
When connected to other test objects, this product may cause radio interference.
In a residential environment, the user may be required to take adequate measures to reduce
the radio interference.