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The 7402 PCI interface provides four serial ports, each individually configurable for RS-422 or RS-485. The board is capable of data rates to 460.8K bps and automatically handles RS-485 transmitter enable/disable. The 7402 utilizes 16C550 UARTs that provide 16-byte Tx/Rx FIFOs and ships with a 36 inch cable that terminates to four DB-9M connectors.
Ordering options allow the choice of UARTs with larger FIFOs and support custom baud rates. The 7402-SE utilizes 16C850 UARTs to provide 128-byte Tx/Rx FIFOs for maximum reliability in data intensive applications.
Ordering options allow the choice of UARTs with larger FIFOs and support custom baud rates. The 7402-SE utilizes 16C850 UARTs to provide 128-byte Tx/Rx FIFOs for maximum reliability in data intensive applications.
| Host Interface | PCI |
|---|---|
| # of Ports | 4 |
| Electrical Interface | RS-422, RS-485 |
| RoHS | Yes |
| UART | 550 UART |
| Serial Connector(s) | DB9M |
| PC Bracket | Standard Height |
| Communications Chip | 16C550 |
| Max Data Rate | 460.8K bps |
| Max Data Distance | 4000 feet |
| Operating Temperature | 0 - +70C |
| Storage Temperature | -50 - +105C |
| Humidity Range | 10 - 90% Relative Humidity, Non-Condensing |
- • Compliant with RoHS and WEEE directives
- • Each port individually configurable for RS-422 or RS-485
• 16C550 buffered UARTs with 16-byte FIFOs
• Data rates to 460.8K bps
• Automatic RS-485 enable/disable
• 36" cable terminates to four DB-9M connectors
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