- #Keyspan usb parallel adapter for mac#
- #Keyspan usb parallel adapter serial#
- #Keyspan usb parallel adapter driver#
Getting up to 6V, marginally OK, but it was not going below ground. The following picture is the received data, nominallyĪn RS232 signal of at least +/-6 volts, from the MS100. Providing auxiliary +/- 9V power to the MS100, without using the output lines as a Not to power the receive level shifter in the MS100. This was a large enough swing to drive the LocoNet itself, but The following picture shows the transmit data levels from the Keyspan adapter. This was notĮnough to power the MS100 during receive.
#Keyspan usb parallel adapter serial#
The second problem was that the serial port outputs were only +/- 5V. The control line from the second port to provide the other level. Since there are two ports, I build a small adapter to use This means that the serial port can only provide one of the two + and.
The initial problem was that the USB adapter provides only one control line output
Keyspan Dual Serial Adapter P/N USA-28X Summary: This did not work. Note that I didn't test the level input from the MS100 (DSR, CTS). Have, and the test program was immediately able to communicate with the LocoNet. I connected it through a DB9 female to DB25 male adapter cable that I happened to Separately controlled to provide + and - voltage to the MS100. Note that there are both RTS and DTR outputs these can be This adapter provides a DB9 male plug, pinout available from the This was actually the second USB serial adapter I tried, after the Keyspan Dual SerialĪdapter (see below). Details Keyspan PDA adapter P/N USA-19 Summary: This worked fine. This was not enough to power the MS100 during receive. Problems: the USB adapter provides only one control line output, and the serial port There seem to be multiple versions of the adapter, with slightly different model numbers,Īnd it could be that some of them will only work at speeds of up to 56,000 baud. We've had a report that this PDA adapter can't work with a LocoBuffer at 57,600 baud. "Keyspan High Speed Serial Adapter" Part# USA-19QW is the same unit. Unfortunately, this adapter is no longer made. Summary Keyspan PDA adapter P/N USA-19 Summary: This worked fine. Has graciously provided a schematic of their level shifter which is thought to be very Digitrax has not published a schematic, but Bill Robinson of Team Digital The MS100 is a passive level shifter that gets its power from the control leads in the We strongly recommend to use a better solution to connect a computer toĪ LocoNet, such as the LocoBuffer USB or the Digitrax PR3/ PR4. This page describes tests of two USB-to-serial adapters, done circa 2010 using the Hardware Support: Keyspan USB connections Layout Automation Use JMRI to automate parts of your layout and operations: Tools JMRI tools for working with your layout: ZTC Controls Applications By the community of :.But the answers are hard to find.Supported Hardware Devices, command stations, networks, and protocols: I'd like to use this thread to create a solid FAQ as it seems I am not alone in trying to get me Garmin to work with my Mac. To complete test, connect device and refresh page.Īny advice? Going on a hefty vacation, and would like to not have to manually enter every cache along the way. The Garmin Communicator Plugin Test Page reads: Communicator Plugin is properly installed and up to date, version 2.3.2.0.
When looking in my System Profiler, I can see the Keyspan adapter. It is connected to my computer through the adapter.
#Keyspan usb parallel adapter for mac#
#Keyspan usb parallel adapter driver#
USA-19HS Software Version: 2.4 (latest driver for OS X 10.4+).I am trying to connect my Garmin eTrex Legend to my G5 Macintosh (Running OS X 10.4.11 / Firefox 2.0.0.12 / Safari 3.0.4) via a Keyspan USA-19HS Serial > USB adapter.
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