| Pinbelegung
X4, X5 (TTY, 20mA) |
| Signalname
/ Bezeichnung |
Kurz |
IN
/ OUT |
15-polig |
| Externe
Masse |
Mext |
|
1 |
| Empfangsdaten
minus (LED-Kathode) |
TTY
IN - |
IN |
2 |
| Stromversorgung
+5VDC |
+5V |
|
3 |
| Stromversorgung
+24VDC |
+24 |
|
4 |
| Interne
Masse |
Masse |
|
5 |
| Sendedaten
plus (Transistor Kollektor) |
TTY
OUT+ |
OUT |
6 |
| Sendedaten
minus (Transistor Ermitter) |
TTY
OUT- |
OUT |
7 |
| Externe
Masse |
Mext |
|
8 |
| Empfangsdaten
Plus (LED Anode) |
TTY
IN+ |
IN |
9 |
| Masse
für +24VDC |
|
|
10 |
| 20mA
Stromquelle Sender |
|
|
11 |
| Interne
Masse |
Masse |
|
12 |
| 20mA
Stromquelle Empfänger |
|
|
13 |
| Stromversorgung
+5VDC |
+5V |
|
14 |
| Interne
Masse |
Masse |
|
15 |