Owner manual

IOVU-751R-CE5/UX-R10 User Manual
Page 24
Pin Arrangement Pin No Signal Name Direction Description
1 DCD Input Carrier Detect
2 RX Input Receive Data
3 TX Output Send Data
4 DTR Output Data Terminal Ready
5 GND N/A Ground
6 DSR Input Data Set Ready
7 RTS Output Request to Send
8 CTS Input Send Possible
9 RI Input Called Status Display
Shell FG N/A Frame Ground
(Common with SG)
Table 4-4: RS-232 Pinouts
4.2.2.2 RS-232/422/485 Serial Interface Pinouts
Pinouts for the RS-232/422/485 serial port are shown below.
Pin RS-232 RS-422 RS-485
1 RX- DATA-
2 RX RX+ DATA+
3 TX TX-
4
5 GND GND GND
6
7 TX+
8
9
Table 4-5: Serial Port Pinouts