The following figure and table identify the pins for the NI PXI-2530B in the 4-wire multiplexer topologies.

Software Name Polarity Hardware Name
Single 32x1 Dual 16x1 NI PXI-2530BConnector Pin Number NI TB-2630BTerminal Name
com0 com0 A+ 51 Bank 0, Pin 18
A- 30 Bank 1, Pin 18
B+ 110 Bank 4, Pin 18
B- 131 Bank 5, Pin 18
── com1 A+ 5 Bank 2, Pin 18
── A- 76 Bank 3, Pin 18
── B+ 156 Bank 6, Pin 18
── B- 84 Bank 7, Pin 18
── ── ── 58 Bank 0-1, Pin 17
── ── ── 6 Bank 2-3, Pin 17
── ── ── 103 Bank 4-5, Pin 17
── ── ── 155 Bank 6-7, Pin 17
ch0 A+ 41 Bank 0, Pin 1
A- 50 Bank 1, Pin 1
B+ 120 Bank 4, Pin 1
B- 111 Bank 5, Pin 1
ch1 A+ 40 Bank 0, Pin 2
A- 31 Bank 1, Pin 2
B+ 121 Bank 4, Pin 2
B- 130 Bank 5, Pin 2
ch2 A+ 42 Bank 0, Pin 3
A- 49 Bank 1, Pin 3
B+ 119 Bank 4, Pin 3
B- 112 Bank 5, Pin 3
ch3 A+ 39 Bank 0, Pin 4
A- 32 Bank 1, Pin 4
B+ 122 Bank 4, Pin 4
B- 129 Bank 5, Pin 4
ch4 A+ 43 Bank 0, Pin 5
A- 52 Bank 1, Pin 5
B+ 118 Bank 4, Pin 5
B- 109 Bank 5, Pin 5
ch5 A+ 38 Bank 0, Pin 6
A- 29 Bank 1, Pin 6
B+ 123 Bank 4, Pin 6
B- 132 Bank 5, Pin 6
ch6 A+ 44 Bank 0, Pin 7
A- 53 Bank 1, Pin 7
B+ 117 Bank 4, Pin 7
B- 108 Bank 5, Pin 7
ch7 A+ 37 Bank 0, Pin 8
A- 28 Bank 1, Pin 8
B+ 124 Bank 4, Pin 8
B- 133 Bank 5, Pin 8
ch8 A+ 45 Bank 0, Pin 9
A- 54 Bank 1, Pin 9
B+ 116 Bank 4, Pin 9
B- 107 Bank 5, Pin 9
ch9 A+ 36 Bank 0, Pin 10
A- 27 Bank 1, Pin 10
B+ 125 Bank 4, Pin 10
B- 134 Bank 5, Pin 10
ch10 A+ 46 Bank 0, Pin 11
A- 55 Bank 1, Pin 11
B+ 115 Bank 4, Pin 11
B- 106 Bank 5, Pin 11
ch11 A+ 35 Bank 0, Pin 12
A- 26 Bank 1, Pin 12
B+ 126 Bank 4, Pin 12
B- 135 Bank 5, Pin 12
ch12 A+ 47 Bank 0, Pin 13
A- 56 Bank 1, Pin 13
B+ 114 Bank 4, Pin 13
B- 105 Bank 5, Pin 13
ch13 A+ 34 Bank 0, Pin 14
A- 25 Bank 1, Pin 14
B+ 127 Bank 4, Pin 14
B- 136 Bank 5, Pin 14
ch14 A+ 48 Bank 0, Pin 15
A- 57 Bank 1, Pin 15
B+ 113 Bank 4, Pin 15
B- 104 Bank 5, Pin 15
ch15 A+ 33 Bank 0, Pin 16
A- 24 Bank 1, Pin 16
B+ 128 Bank 4, Pin 16
B- 137 Bank 5, Pin 16
ch16 A+ 67 Bank 2, Pin 1
A- 14 Bank 3, Pin 1
B+ 94 Bank 6, Pin 1
B- 147 Bank 7, Pin 1
ch17 A+ 15 Bank 2, Pin 2
A- 68 Bank 3, Pin 2
B+ 149 Bank 6, Pin 2
B- 93 Bank 7, Pin 2
ch18 A+ 12 Bank 2, Pin 3
A- 13 Bank 3, Pin 3
B+ 91 Bank 6, Pin 3
B- 148 Bank 7, Pin 3
ch19 A+ 11 Bank 2, Pin 4
A- 69 Bank 3, Pin 4
B+ 150 Bank 6, Pin 4
B- 92 Bank 7, Pin 4
ch20 A+ 70 Bank 2, Pin 5
A- 1 Bank 3, Pin 5
B+ 146 Bank 6, Pin 5
B- 85 Bank 7, Pin 5
ch21 A+ 61 Bank 2, Pin 6
A- 4 Bank 3, Pin 6
B+ 100 Bank 6, Pin 6
B- 81 Bank 7, Pin 6
ch22 A+ 20 Bank 2, Pin 7
A- 3 Bank 3, Pin 7
B+ 141 Bank 6, Pin 7
B- 157 Bank 7, Pin 7
ch23 A+ 62 Bank 2, Pin 8
A- 71 Bank 3, Pin 8
B+ 99 Bank 6, Pin 8
B- 90 Bank 7, Pin 8
ch24 A+ 19 Bank 2, Pin 9
A- 10 Bank 3, Pin 9
B+ 142 Bank 6, Pin 9
B- 151 Bank 7, Pin 9
ch25 A+ 63 Bank 2, Pin 10
A- 72 Bank 3, Pin 10
B+ 98 Bank 6, Pin 10
B- 89 Bank 7, Pin 10
ch26 A+ 18 Bank 2, Pin 11
A- 9 Bank 3, Pin 11
B+ 143 Bank 6, Pin 11
B- 152 Bank 7, Pin 11
ch27 A+ 64 Bank 2, Pin 12
A- 73 Bank 3, Pin 12
B+ 97 Bank 6, Pin 12
B- 88 Bank 7, Pin 12
ch28 A+ 17 Bank 2, Pin 13
A- 8 Bank 3, Pin 13
B+ 144 Bank 6, Pin 13
B- 153 Bank 7, Pin 13
ch29 A+ 65 Bank 2, Pin 14
A- 74 Bank 3, Pin 14
B+ 96 Bank 6, Pin 14
B- 87 Bank 7, Pin 14
ch30 A+ 16 Bank 2, Pin 15
A- 7 Bank 3, Pin 15
B+ 145 Bank 6, Pin 15
B- 154 Bank 7, Pin 15
ch31 A+ 66 Bank 2, Pin 16
A- 75 Bank 3, Pin 16
B+ 95 Bank 6, Pin 16
B- 86 Bank 7, Pin 16

Additional Pin References

NI PXI-2530B Connector Pin Number Signal Name
2, 21, 22, 23, 59, 60, 77, 78, 79, 80, 101, 102, 138, 140, 160 NO CONNECT
83, 158 GND
159 TRIGIN
82 TRIGOUT
139 RESERVED
Caution   Do not connect to RESERVED pins or to NO CONNECT pins.