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PDP-11/23+ serial ports
aekļ¼ bitsavers.org
27 Nov 2013
27 Nov '13
7:09 p.m.
On 11/27/13 5:39 PM, David Riley wrote:
...
The bright side is that you only need 3 pins (Rx, Tx and ground).
Don't forget rx and tx are actually differential receivers and drivers. Tie rx- (7) to ground (9) on the 10 pin connector.
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