…communicate with the devices that provide low-level control and monitoring functions cannot be overlooked. The interface to these devices is commonly serial, often resulting in the need to select a…
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SeaMAC Software Overview
SeaMAC Software Windows Synchronous Serial Drivers SeaMAC Overview The SeaMAC driver supports numerous protocols and communication methods. Certain protocols are defined well enough to allow the driver to completely handle…
How to change asynchronous serial COM Port assignments in Sealevel’s Port Manager or Advanced Ports Utilities
…to change the COM port assignments is when your legacy application only works at COM1 through COM4 and the Sealevel serial device you installed comes in at COM5 or higher….
How can I improve the performance of my USB to serial adapter?
Sealevel USB serial adapters are supported by the SeaCOM driver, which includes a latency timer with a default setting of 16 msec. Decreasing this value reduces the amount of…
Why do I receive Certificate Errors on the Sealevel website?
…However, as of April 8, 2014, Windows XP is no longer supported by Microsoft. Therefore, the OS is no longer receiving security updates and patches. Continuing to use Windows XP…
How do I access the BIOS menu for my Relio R2, Relio R3 or SBC-R9 embedded computer?
The below steps to access the BIOS menu are the same for Relio R2, Relio R3 or SBC-R9 embedded computer. Attach a USB keyboard to the computer. Apply power and…
On the SBC-R9 embedded computer, what is the sampling rate for the analog inputs?
…and the A/D circuit. Therefore, a single analog input can be sampled at a rate of 3.125 ksps with the maximum aggregate sampling rate of 153 samples per second (sps)….
Raw Mode or Bit-Shift Mode
Raw mode is actually the simplest form of communication. The card takes every bit of data that’s received from the communication line, groups it into 8 bit bytes and returns…
Can I change the COM number assignment for my Sealevel serial card?
…just installed comes in at COM5 or higher. Or, you just installed a multiport serial card and the COM numbers were not assigned consecutively. The ability to change the COM…