Jack,

i would suggest you using ZTerm to make a step-by-step test.
ZTerm is a Terminal Program for the Mac like Hyperterm for Windows. The download is free.

1. Check Keyspan Driver and Hardware:
- Disable Hardware Handshake and local echo in ZTerm. Be sure to choose the correct serial port.
- Shorten Pin 2 + 3 on the serial connector of the Keyspan Adapter.
- If you type into the Terminal you see the characters echoing when the Pin 2+3 are shortened, otherwise you have a Problem with the Keyspan Driver or Hardware.

2. Check connection to K2:
Follow the Section "Serial Interface Test" in the KIO2 Manual. Just use ZTerm instead of Hyperterm.

If this works, the problem should be within Maclogger. Unfortunately i don´t know anything about Maclogger.

good luck,

Wil / OE9WLJ

On 08.11.2007, at 05:44, Jack Shrawder wrote:

While waiting for your K3s, I wonder if anyone could help with a K2 to MacLogger connect problem?

My K2, 3256 refuses to connect to my MacLogger program. About a month ago a connection problem surfaced one day after several years of reliable functioning.

The problem symptoms are: When "Radio VFO" box is checked, ML reports Not Responding and Radio… No Data.

The system is:
K2 to Keyspan USA-49WLC serial to USB, into a MacBook Pro running 10.4.10 and MacLogger 4.3.2.b16

First, repair idea was to check in the K2 menu to ensure the Port is "On"; it was. Then, attempted to fix via the following; downloaded the latest Keyspan driver (2.4), tried different ports in the Keyspan converter, tried different radio setup parameters for the KIO2. Checked K2 operation with the KAT100 tuner which runs off the KIO2 interconnect cable, (KAT100 seems to function normally with the KAT100). Not sure if this a meaningful test of KIO2 or not. Checked KIO2 plugs for good solder joints and for opens or shorts at each plug.

Next, tried to a MacLogger connection with my K2 via an older PowerBook G4 with MacLogger 4.3.2 and latest Keyspan driver 2.4 with same "no go" results.

In desperation, replaced USB cable from computer to Keyspan converter--no change.

Can anyone give me anymore tests or things to try to solve this problem. I'm stumped at this point.

Thanks for any ideas,

Jack H. Shrawder, KT6JS
So Lake Tahoe, CA
"Success is the Only Option"


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