Kaypro Keyboard Cable connector

Keyboard component for RJ9 Female Connector 4P4C with Wires 4.33" (Socket Mount Telephone Connector) assembly. The assembly will slide onto the keyboard case.

The following information is located in the Kaypro II Manual:
 

4P4C RJ9 connector

All of RJ9/RJ10/RJ22 connectors represent the same 4P4C pinout connections.  RJ9 is also known as RJ10 and RJ22.

Amazon - with Wires RJ9 Female Connector 4P4C PCB Socket Mount Telephone Connectors Grey - (10 Pcs) https://www.amazon.com/Female-Connector-Socket-Telephone-Connectors/dp/B093Q46KBZ/

AMP (Dupont) connector, 5-103975-5

Six-position connector (left to right):

Pin 1 → RJ9 Pin 1 (Black)

Pin 2 → RJ9 Pin 2 (Red)

Pin 3 → RJ9 Pin 4 (green) with Jumper to Pin 4

Pin 4 → Jumper to Pin 3

Pin 5  (not used) 

Pin 6 → RJ9 Pin 3 (yellow)

*Wire image source: https://retrocmp.de/kaypro/kay-p2_hrdw.htm#keyboard

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Printing

Filament: PTEG

Infill: 25%

Support: Yes, Tree