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Appendix E Specifications for PCI Serial Hardware
Serial Hardware and Software for Windows E-2 ni.com
Power requirement (from PCI channel)
PCI-485/2
+5 VDC ....................................800 mA typical
1300 mA maximum
PCI-232/2
+5 VDC ....................................400 mA typical
650 mA maximum
Four-Port Boards
Dimensions .............................................10.67 by 17.27 cm
(4.2 by 6.8 in.)
I/O connector
1
.........................................10-position modular jack
Power requirement (from PCI channel)
PCI-485/4
+5 VDC ....................................700 mA typical
1300 mA maximum
PCI-232/4
+5 VDC ....................................70 mA typical
150 mA maximum
±
12 VDC ..................................40 mA typical
400 mA maximum
Isolated Four-Port Boards
Dimensions .............................................10.67 by 17.27 cm
(4.2 by 6.8 in.)
I/O connector
1
.........................................10-position modular jack
Isolation voltage
From port to port .............................2000 Vrms/60s
From any port to host computer ......2000 Vrms/60s
1
The four-port PCI serial boards require a cable to convert the 10-position modular jack to either DB-9 or DB-25 connectors.