This connector can be connected to the serial port of the HP-200LX / HP-100LX.

Cables with a diameter of up to 3.5 mm can be used.

The pin configuration of the connector is as follows.

1 DCD

2 RxD

3 TxD

4 DTR

5 SG

6 DSR

7 RTS

8 CTS

9 RI

10 FG

Pins 2, 3, 5, 7, and 8 are routed to the surface of the board, and pins 1, 4, 6, 9, and 10 are routed to the back side. However, pins 4 (DTR) and 6 (DSR) are shorted, so please cut the pattern if you wish to use them.