8
LD485S-MP
RS-232-C
Pin
Name
1
Protective Ground (FG)
2
Transmit Data (TD)
3
Receive Data (RD)
4
Request To Send (RTS)
5
Clear To Send (CTS)
6
Data Set Ready (DSR)
7
Signal Ground (SG)
8
Receive Line Signal Detector (CD)
9
Aux + power (+12V through 560 ohms)
10
Aux - power (-12V through 560 ohms)
15
Transmitter Signal Element Timing (TC)
17
Receiver Signal Element Timing (RC)
20
Data Terminal Ready (DTR)
24
DTE Transmitter Signal Element Timing