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Steckerbelegung Psion 5/3c DB9

Pin Nr. Name Direction Beschreibung
1 NC No connected
2 TxD --> Transmit Data
3 RxD <-- Receive Data
4 DSR <-- Data Set Ready
5 GND --- System Ground
6 DTR --> Data Terminal Ready
7 CTS <-- Clear to Send
8 RTS --> Ready to Send
9 CD <-- Carrier Detect

Adapter Psion 5 DB9 auf Modem DB25

9polig SubD male --> 25polig SubD male

Name Pin DB9 Direction Pin DB25
TxD 2 --> 2
RxD 3 <-- 3
DSR 4 <-- 6
GND 5 --- 7
DTR 6 --> 20
CTS 7 <-- 5
RTS 8 --> 4
CD 9 <-- 8