National Instruments PXI-2530 Manual page 6

signal connected to CH2 is routed to COM0
■
1-Wire Quad 32×1 Multiplexer Topology
ch0
ch1
ch31
ch32
ch33
ch63
ch64
ch65
ch95
ch96
ch97
ch127
Both the scanning command, ch2->com0;, and the immediate operation, niSwitch
Connect Channels VI or the niSwitch_Connect function with parameters ch2 and
com0, result in the following connection:
6
ni.com
com0
com2
com4
com6
PXI-2530 Features