Keyspan USA-49WG owner manual Problem Solving, Hardware Troubleshooting

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6.1 – Problem Solving

If you are having problems with your Keyspan USB to Serial Adapter, please read the following instructions to assist you in troubleshooting.

Hardware Troubleshooting

Step 1 – Use the Keyspan Serial Assistant.

Launch the Keyspan serial Adapter application. When you open the Keyspan serial Assistant application, the ‘Adapter Status’ tab will show your Keyspan adapter, its COM port numbers (COM1, COM2, etc.) and its COM port status (IDLE or BUSY).

Software/Serial Device Troubleshooting

Step 1 – Check the Physical Connections.

Make sure that your serial device is powered on and is properly connected to the Keyspan Serial Adapter.

Step 2 – Check Your Serial Device’s Software Configuration.

Check to see if your serial device’s software is configured to use the Keyspan port. Please refer to your serial device’s documentation for instructions on how to select/switch/configure a serial port in that software.

Once you’ve found your software port configuration screen, it should display the Keyspan USB 4-Port Serial Adapter COM port number.

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Contents Port USB Serial Adapter For Windows Windows ContentsIntroduction Capabilities Keyspan USB 4-Port Serial Adapter PortsInstallation Instructions Installing the Keyspan USB 4-Port Serial Adapter HardwareConfiguring Your Serial Device’s Software Configuring Your Serial DeviceConnecting Your Serial Device Hardware Configuring Your Serial Device Launching the Keyspan Serial Assistant Explanation of Assistant FeaturesKeyspan Serial Assistant Adapter Status Tab Properties TabKeyspan Serial Assistant Keyspan Serial Assistant Port Mapping Tab Diagnostics Tab Help Tab Software/Serial Device Troubleshooting Problem SolvingHardware Troubleshooting Frequently asked Questions FAQs AppendicesConfiguration Example for Windows Palm DesktopPalm Desktop External Loopback Connector Information Serial Port Pin OutsLED Behavior Color State SignificanceOverview ProblemTX ACK Advance Work AroundWhat Should I Use? Year Limited Warranty Warranty Registration201007159 933035-EN

USA-49WG specifications

The Keyspan USA-49WG is a versatile and highly regarded USB to serial adapter, designed for efficient and reliable connectivity between USB-equipped computers and serial devices. This device is particularly popular among users who work with older serial technology or need to connect to various serial interfaces.

One of the standout features of the USA-49WG is its ability to support multiple serial connections through a single USB port. Equipped with four serial ports, this adapter allows users to connect several legacy serial devices simultaneously, making it an ideal solution for applications that require multiple connections, such as industrial automation, data logging, and point-of-sale systems.

The USA-49WG utilizes FTDI's FT232R chip, which is known for its high performance and compatibility. This chipset ensures that the adapter achieves excellent data transfer rates, with support for baud rates up to 115200 bps. This makes the Keyspan USA-49WG suitable for a range of applications that require fast and reliable communication.

Another key characteristic of the Keyspan USA-49WG is its plug-and-play functionality. Users can easily connect the device to their USB port, and it will automatically install the necessary drivers on major operating systems, including Windows, macOS, and Linux. This ease of use significantly reduces setup time, allowing users to focus on their projects without the hassle of complicated installation processes.

In terms of design, the USA-49WG is built with a compact and robust housing, providing durability for both home and industrial use. Additionally, it features LED indicators for power and data transmission, allowing users to monitor activity at a glance.

The adapter also includes a comprehensive set of features to enhance usability, such as:

- 128-byte transmit/receive FIFO buffers for efficient data handling,
- Support for RS-232 serial communication standard,
- Full-duplex communication capabilities, ensuring simultaneous data transmission and reception.

In conclusion, the Keyspan USA-49WG USB to serial adapter stands out for its multi-port functionality, ease of installation, and robust performance. It provides an excellent solution for connecting modern USB-equipped systems to legacy serial devices, making it an essential tool for various professional and home applications. Its combination of features and technologies makes it a reliable choice for those in need of seamless serial connectivity.
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