Serial Pinouts
122
Terminal Server User Guide, Version 3.3
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 Terminal Server.
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
Pin 1
Pin 14
Pin 25
Pin 13