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This image is representative of the product and may not be the exact image of this product.
| Model: 7203 |
| Manufacturer: Sealevel | | SERIAL I/O - Async, PCI, Isolated RS-232/422/485 Interface, ports: 2, ISO COMM2.PCI |
| Product Status: Special Order - Special Order, Non-Cancellable / Non-Returnable (NCNR)- may be subject to extended lead time and / or minimum order. Stock Status: Call |
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- Summary
- The ISO COMM2.PCI is a PCI bus isolated two channel serial I/O adapter. It provides two field selectable RS232/422/485 serial ports supporting data rates up to 460.8K bps.
Isolation is important in installations where the equipment connected to the PC is either located far from the host system, or on a different power transformer circuit. True port to port optical isolation on the ISO COMM2.PCI eliminates the effects of Ground Loop Current, a commonly neglected and misunderstood phenomenon that leads to data errors and the destruction of communications equipment. Sealevel's implementation goes a step beyond typical isolated products by isolating not only the signals, but also isolating the ports from each other.
Configure both ports as RS232 when highly reliable standard serial ports are required. Choose the RS-422 mode for long distance device connections up to 4000ft. where noise immunity and high data integrity are essential. Select RS-485 and capture data from multiple peripherals in a RS485 multidrop network. Up to 31 RS-485 devices can be connected to each port to automate your data collection. You can even mix the ports in any of the interface combinations to provide maximum flexibility to your application. Sealevel even has optional DB9 terminal block adapters to simplify field wiring and custom pin-out configurations.
In RS-485 mode, our onboard auto-enable hardware automatically handles the RS-485 driver enable allowing the RS485 ports to be treated as a standard serial port by the operating system. This allows the standard COM: driver to be utilized for RS485 communications.
We include our Advanced COM drivers for Windows 95/98/ME/NT and 2000 providing IRQ sharing, Windows serial diagnostics, and other enhanced features. Our Linux and QNX utilities are also included to simplify installation.
- Features
- Two port isolated field selectable RS-232/422/485 interface
- Onboard RS-485 auto enable circuit
- Each port designed to maximize DOS, Linux, QNX, and Windows 3.1x/95/98/ME/NT/2000 communications
- 16850 buffered UART standard
- Supports standard PC data rates and "Quad” data rates up to 460.8K bps
- Supports all PCI interrupts
- Onboard interrupt status port provides efficient interrupt sharing
- Includes Windows Advanced COM: drivers, utilities, INF files and help files to simplify installation
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