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PCI RS-232, RS-422, RS-485 Serial Interface
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SEALEVEL 7404
COMM+4.PCI |
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The 7404 PCI serial interface provides four field selectable ports configurable as RS-232, RS-422, or RS-485 supporting asynchronous data rates up to 460.8K bps. In RS-485 mode, our autoenable feature allows the 7404 to be viewed by the operating system as a standard COM port. The 7404 is Universal Bus (3.3V and 5V) compatible and can be installed in a standard height PCI slot. The included 36" cable terminates to four DB9 Male connectors.
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| Technical Specifications |
| Number of Ports
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4
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| Communications Chip
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16C864
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| Max. Data Rate
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460.8K bps |
| Max. Data Distance
| 4000 feet
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| Operating Temperature |
0 - +70°C
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| Storage Temperature |
-50° - +105°C
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| Humidity Range |
10 - 90% R.H.
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Features:
- Each port individually configurable for RS-232, RS-422, or RS-485
- 16C864 buffered UART with 128-byte FIFOs
- Data rates to 460.8K bps
- Automatic RS-485 enable/disable
- Universal Bus (3.3V and 5V) compatible
- Included 36" cable terminates to four DB9 Male connectors
 Catalogue entry
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