National Instruments, Switch, models:

1191	User Manual
5541	User Manual And Specifications
CPS-8910	Getting Started Manual
GPIB-BUF	User Manual
NI 2565	User Manual
NI 9344	Getting Started Manual
NI UES-3880	Hardware Installation Manual
NI-DAQ 7	Getting Started Manual
NI-SWITCH	Getting Started Manual
SCXI	Getting Started Manual
SCXI-1127	Getting Started Manual
SCXI-1130	Getting Started Manual
SCXI-1175	Getting Started Manual
SCXI-1190	User Manual
SCXI-1190/1191	User Manual
SCXI-1194	Getting Started Manual
Switch Executive	Quick Reference Manual
SwitchBlock	Getting Started Manual
cRIO-9805	Getting Started Manual