Manual # 26-0002901-00 / Revision H ScreenPro - High Resolution Seamless Switcher
9
RS-232/485 Remote Control Connections
The RS-232 or RS-485 serial port can be connected to a computer to support remote control of the ScreenPro
TM
unit.
The Electronics Industry Association (EIA) has produced standards for RS232 and RS485 that deal with data
communications. Below is the pinout for both RS232 & RS485 with DB25 connector.
Remote Port
DB25
RS232
RS485
1
Shield
Shield
2
TxD
T(-)
3
RxD
R(-)
4
RTS
N/A
5
CTS
N/A
6
DSR
N/A
7
Sig Gnd Sig Gnd
8
DCD
N/A
10
N/A
N/A
12
N/A
N/A
14
N/A
T(+)
15
N/A
N/A
16
N/A
R(+)
19
N/A
N/A
20
DTR
N/A
21-25 N/A
N/A