Appendix D
SCXI-1129 Front Connector
©
National Instruments Corporation
D-3
Table D-1.
Front Connector Signal Description
Signal Name
Type
Description
+5 V
Output
+5 VDC isolated source—powers the EEPROM
and the INTERLOCK signal
GND
Output
Ground
EXTRIGIN
Input
External Trigger Input—trigger from an
instrument to advance the switch matrix to the
next state in the scan list
SCANADVD
Output
Scanner Advanced—trigger to an instrument that
indicates the switch matrix has advanced to the
next state in the scan list
TBEEEN
Input
Terminal block EEPROM chip select signal
TBEEOUT
Output
Terminal block EEPROM data output signal
TBEECLK
Input
Terminal block EEPROM clock input signal
BMOSI*
Input
Terminal block EEPROM data input signal
1R0+ to 1R3+
1R0– to 1R3–
I/O
Bank 1, matrix row connections
2R0+ to 2R3+
2R0– to 2R3–
I/O
Bank 2, matrix row connections
3R0+ to 3R3+
3R0– to 3R3–
I/O
Bank 3, matrix row connections
4R0+ to 4R3+
4R0– to 4R3–
I/O
Bank 4, matrix row connections
B1C0+ to B1C15+
B1C0– to B1C15–
I/O
Bank 1, matrix column connections
B2C0+ to B2C15+
B2C0– to B2C15–
I/O
Bank 2, matrix column connections
B3C0+ to B3C15+
B3C0– to B3C15–
I/O
Bank 3, matrix column connections
B4C0+ to B4C15+
B4C0– to B4C15–
I/O
Bank 4, matrix column connections
