Chris Zach cz at alembic.crystel.com
Wed Feb 19 08:58:01 CST 2020


If it will help send me your address off-list and I will drop it in the 
mail. Just send it back when done. You should be able to map the 40 pin 
from the RX02 to the 25 pins on the plug, which can then be used to map 
to your 37 pin pinout on the VT278.

C

On 2/19/2020 8:21 AM, Bill Degnan via cctech wrote:
> Thanks chris...its a 37 pin on the vt278 end.
> 
> On Wed, Feb 19, 2020, 7:10 AM Chris Zach via cctech <cctech at classiccmp.org>
> wrote:
> 
>> Hm. I have the bulkhead 25 pin to 40 pin interface thing from an RX02 in
>> a box, I'm not using it as I am going from the pdp11's RX01 straight to
>> the drive's controller. That should give you the pinout, want to borrow it?
>>
>> C
>>
>> On 2/18/2020 10:02 PM, Bill Degnan via cctech wrote:
>>> Looking for a DECMATE (VT-278 model) RX278 Floppy Drive Interface
>> Connector
>>> cable, part number is RC26N-2L  It's a 37 male-25 pin male cable.
>>>
>>> Here is photo I took of one (not mine)
>>>
>> https://www.vintagecomputer.net/digital/DECmate/DECMATE_VT278_PortsDriveCable.jpg
>>>
>>> I have the pinouts for the 37-pin end but not the 25-pin end.   If no one
>>> has a cable I can do a continuity test of the cable next time I have
>> access
>>> one, but it's not easily available.
>>>
>>> I am located near Philadelphia.
>>>
>>> Thanks
>>>
>>> Bill
>>>
>>


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