Appendix D Specifications
PCI Serial for Windows Me/9x D-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 connector1.........................................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 connector1.........................................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.