Review summary of Panasonic Serial adapter (DIN 8-pin/D-sub 9-pin) - ET-ADSER
Here is the Spec. of the PANASONIC ET-ADSER:
Mini-DIN 8 (male) to DB-9 (female)
1 to 7 : CTS *
2 to 8 : RTS *
3 to 3 : TXD
4 to 5 : GND
5 to 2 : RXD
6 to nothing : DSR (if U want is to 6)*
7 : NC
8 : NC
N.B. : Only RXD,TXD and GND R needed
*