For Windows 95/98/ME/2000/XP/Vista, use Device Manager to uninstall the product prior to removing it from the computer or unplugging it, as in the case with…
What are the differences between RS-232, RS-422, and RS-485 communication standards?
RS-232, RS-422, and RS-485 are serial communication methods for computers and devices. There are two articles in the Driver Downloads & Software section of the…
What are the advantages of using an advanced UART?
The primary benefit of a 16850 UART (standard on most Sealevel products) is a 128-byte FIFO buffer that prevents data loss in high-speed serial communications.…
How do you connect an RS-232 serial device that is more than 50 feet away from the computer?
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…
Do I need to terminate modem control signals if I’m not using them?
It is always a good idea to terminate any unused signal lines. Floating signals can generate interrupts and drastically degrade system performance. The Sealevel SeaCOM…
What is the maximum distance I can communicate using a standard RS-232 serial cable?
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).
Do you have sample Windows programs for writing to a serial port?
We offer serial programming samples with source code in the archive link below. Examples of programming samples include: a simple terminal program; a program…
Will a standard RS-232 DB25 to DB9 adapter or cable work with my RS-422, RS-485 board?
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,…
How can two serial devices communicate without using a PC?
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…