Deutsch 
English SEALEVEL 3055 | 
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| The 3055 ISA serial interface card provides a single RS-422 or RS-485 port for connection to serial devices. Individually selectable addresses and extended “AT” interrupts allow for seamless integration into OS/2 and Windows systems. The ULTRA 485’s “auto enable” design eliminates RS-485 communications roadblocks under Windows and OS/2. The ULTRA 485 appears to the host system as a standard COM: port requiring no special drivers or additional software. For user's that require custom baud rates, isochronous communications, or 9-bit protocol, the 3055 ISA serial interface is available with the Oxford 16C950 UART, part number 3055-SN. |
| Technical Specifications | |
| Number of Ports | 8 |
| Communications Chip | 16C550 |
| Max. Data Rate | 115.2K bps |
| Max. Data Distance4000 feet | |
| RS-485 operation2 or 4 wire | |
| Operating Temperature | 0 - +70°C |
| Storage Temperature | -50° - +105°C |
| Humidity Range | 10 - 90% R.H. |
Features:
- Automatic control of RS-485 driver enable signal
- Selectable COM: port addresses
- Selectable and shareable IRQ level (2-5, 7, 10-12 and 15)
- Automatically handles RS-485 enable and disable
- Ports
- 1-Port
- Asynchronous
- Yes
- Bus
- ISA
- Connector
- DB25
- Interface
- RS-485
- High Profile
- Yes
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