TiVo Community Forums Archives - Mac OS X to TiVo Serial port access

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Mac OS X to TiVo Serial port access
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Posted by: BimmerDob

Looking to see if any of the Mac OS X users have gotten a serial cable to connect to a upgraded series 1 DirecTV TiVo.

DirecTV TiVo upgrade software (via PC disk swap load) has been loaded and configured to support BASH on the TiVo.

I'm using a KeySpan 4-port PCI serial card in my Mac (it works on other serial interfaces on my Dual G4 800MHz QuickSilver in Mac OS X 10.3.x).

I made a DB-8 (Din-8) Apple serial to stereo mini plug (pin 1 to TD, pin 2 to GND, pin 3 to RD) cable (hope its right).

I'm trying to get Z-Term to connect to the TiVo serial port via the KeySpan serial port. No luck yet. Have settings in ZTerm set to match BASH config on TiVo.

Thoughts?

:confused:

Posted by: BimmerDob

Update: The Apple Mac RS-422 Serial cable needs to be male DB8 (8 pin) to mini stereo 1/8 inch headphone jack as follows:

pin 3 (middle row left) to RD (middle),
pin 4 (middle row center) to GND (base), and
pin 5 (middle row right) to TD (tip).

Z-Term when set to 115200 N-8-1 xon/xoff [ON] hardware handshake [OFF] works.

DB8 Male Pinout:

+-------+
| 6 7 8 |
| 3 4 5 |
| 1 2 |
+-------+

+-------------+
| |--------------------\
| 1/8 mini | GND | RD | TD >
| stereo |--------------------/
+-------------+

Cheers
:-)