The National Instruments PCI-485/8 is an eight-port, non-isolated PCI serial interface for RS-485/RS-422.
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Key product information and technical features.
This legacy board requires a 5 V PCI slot. A breakout cable converts its board connector to eight DB-9 male serial connections.
Verified product specifications.
| Serial ports | 8 ports |
|---|---|
| Dimensions | 10.67 × 14.48 cm |
| Supply current at +5 VDC | 1.1 typical; 2.0 maximum A |
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Host bus
Serial interface
NI specifies 5 V PCI operation, not universal 3.3/5 V PCI compatibility.
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Product-specific answers based on available technical information.
No. NI identifies this model as non-isolated.
No. It uses a 68-pin SCSI-type connector with a breakout cable.