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KEYSPAN USA – 28XB DRIVERS

This gives it a higher speed kbps instead of Other models After loooking at my serial adapter, I became curious about the insides of other models. It turns out that some of Keyspan’s serial adapters are substantially different from others. X-Rite resells the following:. Keyspan is also advertising a one-port serial adaptor in a black case which has different capabilities from the USA The first chart reflects the model and driver version tested.

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This gives it a higher speed kbps keyspzn of While we have received user reports of various problems with we have not found problems with the Keyspan series as long as the keyspan usa – 28xb driver software is in use, and only one adapter is being used. Thanks to Stephen Malinowski for this info.

Note that many of the software versions marked as working under OS9 will also work in the “classic” mode keyspan usa – 28xb OSX. You can hook up an LED and a 2. The information below is intended to try and lend some clarity to this often confusing subject, and show some selected testing of the various models of Keyspan adapters with different software products. If you need USB to serial adapter functionality in OSX for a native application, then the driver should be installed in OSX and not installed in the classic environment.

Keyspan Usax B Adapter Mac Twin Serial USB Converter With 2 Cables | eBay

It also has only a single oscillator 12MHz againthe two expected 75’s, etc. This is the “PDA adaptor” I pulled apart and described, above. It’s substantially different from keyspan usa – 28xb USA! All the demo does is cause some of the pins on the DB9 connector to toggle at 1.

USED ITEM USA-28X/USA-28X B USB Twin Serial Adapter for Macs Keyspan USB to Serial Adapter

However, it should be just as easy to download custom firmware to the two-port adaptor as keyslan the one-port version. This is like the AN21xx family in that it’s an core with a USB interface, but it’s not compatible with the others. It has one DB9 port and is in a translucent case. It took me a few days to get all the build tools set up on my machine, but I finally put together a tiny demo.

Keyspan’s web site mentions this as a follow-on to the W.

usaa If you want to make changes, you’ll also need the sdcc compiler. SEUSBSERDB9 The information below is intended to try and lend some clarity to this often confusing subject, and show some selected testing of the various models of Keyspan adapters with different software products.

In uza case the driver must be installed in classic and not installed in OSX proper. Thanks to Gregg Levine for sending me copies of these after I lost my keyspan usa – 28xb

Global Gateway Please select your desired language. The Second is a keypsan of software and compatibility with the various models. X-Rite resells the following:.

Keyspan Usa-28x B Adapter Mac Twin Serial USB Converter With 2 Cables

The first chart reflects the model and driver version tested. Twin serial adapter, two Mac mini DIN 8 ports Translucent, available only a short time May be available in keyspan usa – 28xb channel. It turns out that some of Keyspan’s serial adapters are substantially different from others. Mac-only model USAx twin serial adapter: Enough talk, let’s see some keyspan usa – 28xb lights! Other models After loooking at my serial adapter, I became curious about the insides of other models.

Here’s a list of what I’ve found. Let me know if you have any other information. This is the two-port adaptor in the translucent case. However, the protocol is different so different downloaders and firmware need to be used for the USAHS.

X-Rite resells the following: This matrix does not represent an endorsement of any products. It’s basically similar to what I’ve described, except: