The GPS modified boards are designed to work primarily with the Rockwell Collins GPS receiver with a data rate of 76.8 Kbps. The modification is necessary
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Yes. The Sealevel SeaCOM serial driver fully supports interrupt sharing. There are however a couple of points to mention.All Sealevel PCI serial cards fully support i
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The simplest method is to use a null modem cable (Item# CA213), which reverses the transmit and receive signals between the serial devices. This method only works for
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PortMon for Microsoft Windows is a very useful tool. This utility monitors all serial port activity, shows how an application uses a port, and identifies problems
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Sealevel offers several accessories for interfacing many serial connections. The universal D-Shell Converter Kit (Item# DB101) includes DB9 and DB25 Male and Female c
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No. Standard DB25 to DB9 adapters and cables are made to convert an RS-232 DB25 pin out to an RS-232 DB9 pin out. As such, they do not pass the correct signals throug
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We offer serial programming samples with source code in the archive link below.Examples of programming samples include: a simple terminal program; a program to toggle
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Why do I need optical isolation?
Dec 9th 2009
Optical isolation improves the reliability of I/O applications in industrial, marine, mobile or similar environments, thus alleviating the problems caused by gro
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Practically, it depends on your application and environment.The RS-232 standard specifies transmitting data up to 50 feet at 9600 bits per second (bps).
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It is always a good idea to terminate any unused signal lines. Floating signals can generate interrupts and drastically degrade system performance. The Sealevel Sea
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By connecting the ground wire, you avoid potential communication problems. Differential serial communications such as RS-422 and RS-485 use the ground as a refere
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The SeaCOM serial driver looks exactly like the Windows driver to your application. SeaCOM uses the same API and calls as the Microsoft driver. However, SeaCOM
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Make sure connections are clean and secure and thumbscrews are tightenedIf running long distances, choose a low capacitance cableAvoid running communication cables ne
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There are only a few cases where you would want to change a COM number assignment. Your application only works at COM1 through COM4 and the Sealevel serial device y
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What is “Serial Tunneling”?
Dec 9th 2009
Serial tunneling works by pairing two Sealevel Ethernet Serial Servers (located on the same subnet) together by configuring each other’s IP addresses. When one serial
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There are known issues with the USB driver built into Windows XP SP1 (Service Pack 1) that affect suspend, hibernation, and restarting. This issue potentially affec
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A good economical solution for field wiring is to use CAT5 or CAT6 twisted pair cable. Connect each twisted pair to the same set of signal pins – TX+/TX- would be one
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How do you connect an RS-232 serial device that is more than 50 feet away from the computer?
Dec 9th 2009
The most convenient method is to use a Sealevel Interface Converter to convert the electrical interface from RS-232 to RS-422 or RS-485. Use one of our interface conv
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