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The 3087 ISA serial interface provides two RS-232, RS-422, or RS-485 Asynchronous links to data collection and other devices. Fully independent operation of ports allows the configuration of the 3087 with either two RS-232 ports, two RS-422, RS-485 ports or with a combination of one RS-232 port and one RS-422, RS-485 port. Extended AT interrupts allow multiple serial ports to be assigned to different IRQ lines.
For user's that require custom baud rates, isochronous communications, or 9-bit protocol, the 3087 ISA serial interface is available with the Oxford 16C950 UART, part number 3087-SN.
For user's that require custom baud rates, isochronous communications, or 9-bit protocol, the 3087 ISA serial interface is available with the Oxford 16C950 UART, part number 3087-SN.
| Host Interface | ISA |
|---|---|
| # of Ports | 2 |
| Electrical Interface | RS-232, RS-422, RS-485 |
| UART | 550 UART |
| Serial Connector(s) | DB9M |
| Communications Chip | 16550 |
| Max Data Rate | 115.2K bps |
| Max Data Distance | 4000 feet |
| RS-485 Operation | Full Duplex (4 wire) Half Duplex (2 wire) |
| Operating Temperature | 0 - +70C |
| Storage Temperature | -50 - +105C |
| Humidity Range | 10 - 90% Relative Humidity, Non-Condensing |
• RS-485 two or four wire operation
• Individually selectable interrupts (2-5, 7, 10-12 and 15)
• Windows Auto RS-485 driver software included
• Selectable address including COM1COM4 and any I/0 address up to 3FF Hex
• Individually selectable interrupts (2-5, 7, 10-12 and 15)
• Windows Auto RS-485 driver software included
• Selectable address including COM1COM4 and any I/0 address up to 3FF Hex
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