Acquisition & Control on PC | Comm. Interfaces | PCI-COM422/485-2
PCI-COM422/485-2 is a dual port RS-422/485 interface
Features:
- Two low cost RS-422/485 Full Duplex interface ports
- PCI bus 2.1 compliant
- Control signals provided: RTS and CTS.
- Speeds to 460.8 Kbps
- 16C550 UART’s with 16-byte FIFO standard
- Optional 16C750 UART’s with 64-byte FIFO
- Two 9 Position D-type connectors
- Interrupt status register for increased performance
- Optional surge suppression on each signal line
Specifications:
Serial ports: 2
Configured: Address and interrupt configured through PCI BIOS and supplied drivers
Transceivers: Full Duplex SP490-type transceiver meeting RS-422 standards to 5Mbps
Max. baud rate: to 460.8 Kbps, software selectable per channel for 115.2, 230.4, or 460.8Kbps
Serial modes: 5, 6, 7, or 8 data bits odd, even or no parity 0, 1 or 2 stop bits
UART: 16C550 standard
Interrupt Status: Each UART interrupt status read from any UART’s Scratchpad Register
Termination: 120 ohm termination resistor provided
Connector: Two DB-9 male
Form Factor:
PCI 2.1 complaint
Software Description:
Drivers for Windows 95, 98, NT, 2000, and XP supplied
Specifications:
Serial ports
2
Configured
Address and interrupt configured through PCI BIOS and supplied drivers
Transceivers
Full Duplex SP490-type transceiver meeting RS-422 standards to 5Mbps
Max. baud rate
to 460.8 Kbps, software selectable per channel for 115.2, 230.4, or 460.8Kbps
Serial modes
5, 6, 7, or 8 data bits odd, even or no parity 0, 1 or 2 stop bits
UART
16C550 standard
Termination
120 ohm termination resistor provided
Connector
Two DB-9 male
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