DECServer 200/DL board?

Antonio Carlini a.carlini at ntlworld.com
Mon Jun 18 12:00:49 CDT 2018


On 18/06/18 17:50, Al Kossow via cctalk wrote:
> Is this a 200/DL (RS423 data lines only) board?
>
> https://www.ebay.com/itm/352381870034
>
> A normal 200 would have two large IDC connectors on the pcb for serial I/O
>
>
>
The DECserver 200/MC had 8 DB25 connectors on the back, one for each 
RS232 connection. These connections had full modem control.

The DECserver 200/DL had one 36-pin connector that broke out to 8 MMJ 
connections. Only the data leads were present (no modem control).

I don't know how the motherboards differed between the two models. I 
wouldn't be surprised if the MC variant had 8 connections to the 
motherboard.


I'm surprised the 200/DL didn't just put 8 MMJ connectors on the back of 
the box ... would have saved space and been less of a hassle thirty 
years later for people trying to run them!


I don't have any service information (that I know of) for the DS200 
unfortunately.


Antonio


-- 
Antonio Carlini
arcarlini at iee.org



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