Tripplite USA-19HS USB-Serial Adapter Arguably the best USB-Serial adapter for OS X. Includes full driver support for Mac OS 8.6 through the latest versions of OS X! Valley Enterprises Supplier of a number of USB-Serial and USB programming cables for a wide variety of amateur and two-way radios. ![]() Click to expand.There are some technical reasons why the radio manufacturers haven't done it, but it all boils down to cost. It costs more to engineer the radio with a USB port instead of a simple serial port. I've had the most success with USB to Serial adapters based on the FTDI chipset. The other chipset that is common is the Prolific. Some radio software (like Elecraft and Yaesu) don't support the Prolific chipset. You can google or search ebay for the adapters with the FTDI chipset and you'll be fine. You don't need a name brand; just find the cheapest. Greetings, I use a USB to serial cable to connect my Kenwood TS-2000 to my MacBook Pro. Until Apple's latest software upgrade (Snow Leopard to Lion), I have been able to connect to my radio with relative ease. Lion does not natively support RS-232 unlike its predecessors. In fact, I called my local Mac store and the young man who answered did not know what a serial cable was, but that is an aside. I contacted the technical support for the logging software I use, Maclogger DX, and the answer I got was update your drivers. Well, I did that. I even bought a new USB to Serial cable and made some progress. My computer 'sees' the cable, recognizes the driver, but I still can not connect to the radio! It now comes down to 'enter your user name and password'. WHAT USER NAME AND PASSWORD??!! ![]() The first screen grab is from the manufacturer's instructions and the second a screen grab from my system preference's page. If I enter any information the computer will try to talk to the radio, 'PC' appears on the rig's screen for a moment, and a pop-up appears that says 'can not connect'. I can not find any documentation anywhere that covers this. If anyone has overcome this irritating issue, please tell me what you did. It LOOKS like you are using a Prolific chipset --- NOT my favorite USB to RS-232 chipset. Prolific is based in Taiwan (Chinese) -- and they can not even maintain a web site (web site not currently working). This problem has been reported on Mac OS-X Support web sites: If you have a Prolific 2303 based USB to serial adapter and it no longer works under Lion, installing the Snow Leopard 64-bit driver may fix the issue. Download the driver from Prolific's web site. Montara gml driver for mac mac. === I PREFER either: FTDI (Glasgow - UK) Silicon Labs (Austin, TX - USA). Click to expand.LEARN the Facts, not repeat urban legands, rumors. Kenwood Th-d72a Usb-serial Driver For Mac DownloadI think you meant to say Operating Systems (Windows, Linux, OS-X, Android, Windows CE, 32-bit or 64-bit OS, etc.) and not Programs (Software Applications written to operate with specific Operating System). The CHALLENGE is the Sofware Driver(s) for the USB chipset. It is VERY IMPORTANT for Amateur Radio Applications that the Virtual COM Port (VCP) and Direct (D2XX) Drivers work correctly and support the RS-232 CONTROL Line functions (CTS, DTR, RTS, DSR) in addition to the standard SIGNAL Line functions (Rx, Tx, GND). Some sound card (DSP) to radio interfaces and some programs USE these CONTROL line functions to: Verify device is attached and powered up; PTT of radio. USB, first developed in 1995 -- in rapidly expanding its capabilities (standard based) w9gb. Yes, you did not read the references and appear to not understand my posting (differences between RS-232 standard and USB standard). I have posted these educational points several times -- and they are readily available throughout the Internet. The ones you site use the CONTROL LINES of the RS-232 standard, such as DTR. RS-232, DE-9 has 9 PINS (6 Control and 3 Signal Lines), USB has has 4 PINS (2 Signal Lines and 2 for Power). The USB Standard has NO Control Lines or Pins -- So a FULL FUNCTION SOFTWARE DRIVER is REQUIRED --- Virtual COM Port (VCP) The SOFTWARE DRIVERS development are the responsibility of the Chip Maker (Prolific). Profilic takes the EASY route of just support a 3-wire approach (RS-232 SIGNAL lines) -- RxD, TxD, GND w9gb.
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