Perle Systems Switch DS1 Manuale Utente Pagina 205

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Pinouts and Cabling Diagrams 205
Serial Pinouts
The power in pin, pin 12, can be 9-30V DC.
DB25 Female
This section defines the pinouts for the DB25 female connection used on the 1-port IOLAN.
Pin 1
Pin 14
Pin 25
Pin 13
The following table provides pinout information:
20 (out) DTR
21 RxD+ RxD+
22 RxD- RxD-
25 CTS+
Pinout
EIA-232
EIA-422
EIA-485
Full Duplex
EIA-485
Half Duplex
1 Shield Shield Shield Shield
2 (in) RxD
3 (out) TxD
4 (in) CTS
5 (out) RTS
6 (out) DTR
7 GND GND GND GND
8 (in) DCD
12 Power in Power in Power in Power in
13 RTS-
14 RxD+ RxD+
15 RxD- RxD-
18 CTS+
19 CTS-
20 (in) DSR
Pinout
EIA-232
EIA-422
EIA-485
Full Duplex
EIA-485
Half Duplex
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