New RS-422 Ether-Serial Link

The new LAVA Ether-Serial Link 1-422-RJ45 provides one RS-422 enabled serial port, accessible over Ethernet. It has configurable RS-422 termination and bias settings, as well as being able to supply 5 VDC or 12 VDC to attached peripherals that are designed to receive power on their serial ports. The diagram to the right shows the […]

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An Inside Look at the LAVA Parallel-PCI

Recently we had a customer inquiry about the internals of one of our parallel port cards. To answer, we had to take a refresher course in what our design contained. That process led us to think: why not let interested technically-minded people see what’s inside the LAVA parallel EPP port design? We decided we would. So here’s […]

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Piping DOS over Ethernet

A little-known fact: DOS commands can be sent through LAVA Ether-Serial Links. And it’s actually simple to do. With an Ether-Serial Link configured in Windows Driver mode, and with its port activated as usual, all you need to do is pipe DOS data (using the conventional DOS redirection command “>”) to the serial port of […]

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RS-232 remote control of televisions

LAVA was approached by a video systems integrator who was operating a collection of televisions dispersed throughout a convention center. The televisions were controlled on their RS-232 ports. Control codes sent through the serial ports gave him basic operation of the televisions. His original design had serial cables using signal amplifiers, led back to a […]

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Using the Ether-Serial Link as a Serial Data Format Converter

Here’s an interesting use for the LAVA Ether-Serial Link: as a generalized serial data format converter. A quick search on the web shows that people have a variety of needs for converting one RS-232 data format to another, for a variety of reasons, and the solutions are usually cumbersome. For example, one might want to […]

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Ether-Serial Links: Win 7 Embedded

LAVA now has a functioning Windows 7 Embedded install (driver and Ether-Link Manager) for Ether-Serial Links, at present in an Engineering Release only. Customers looking to use the Ether-Serial Link in a Windows 7 Embedded context will find this of interest. This release was developed for a customer who wanted to install the Ether-Serial Link […]

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Updated RS-232 Serial Ports white paper

LAVA’s white paper on RS-232 serial ports has been a popular download for years. In 26 pages, this PDF covers a great deal of what you need to know to understand and use serial ports. It discusses what a serial port is, and looks closely at RS-232 (signalling, electrical, and mechanical aspects). UARTs are defined […]

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