AppendixE Specificationsfor PCI Serial Hardware
SerialHardware and Software for Windows E-2 ni.com
Power requirement (from PCI channel)
PCI-485/2
+5VDC ....................................800 mA typical
1300 mA maximum
PCI-232/2
+5VDC ....................................400 mA typical
650 mA maximum
Four-Port BoardsDimensions.............................................10.67 by 17.27 cm
(4.2 by6.8 in.)
I/O connector1.........................................10-positionmodular jack
Power requirement (from PCI channel)
PCI-485/4
+5VDC ....................................700 mA typical
1300 mA maximum
PCI-232/4
+5VDC ....................................70 mA typical
150 mA maximum
±12VDC ..................................40 mA typical
400 mA maximum
Isolated Four-Port BoardsDimensions.............................................10.67 by 17.27 cm
(4.2 by6.8 in.)
I/O connector1.........................................10-positionmodular jack
Isolation voltage
Fromport to port .............................2000 Vrms/60s
Fromany port to host computer ......2000 Vrms/60s
1Thefour-port PCI serial boards require a cable to convert the 10-position modular jack to either DB-9 or DB-25 connectors.