User's Manual

RS232-Transponder Reader
(SECS1-Protocol), Release 0.3 Draft Page 16 of 91
2000-09-29
ID: ID000093
Sub-D female plug
The serial interface is also carried out with the Sub-D female plug (9 contacts), a
serial connection line (switched 1:1) can be used.
PIN DB9
1 NC
2 TXD
3 RxD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC