IEI Integration IOVU-752S - Manual (Page 25)

IOVU-752S Panel PC
Page 18
The RJ-45 Ethernet connector has two status LEDs, one green and one yellow. The green
LED indicates activity on the port and the yellow LED indicates the port is linked
(Table 3-4).
SPEED LED LINK LED
Status Description Status Description
GREEN ON: 100 MB
OFF: 10 MB
YELLOW ON: Linked
Flashing: Activity
Table 3-4: Ethernet Connector LEDs
3.3.3 Serial Interfaces
The system has both a RS-232 and a RS-232/422/485 serial port connector.
3.3.3.1 RS-232 Serial Interface Pinouts
Pinouts for the RS-232 serial port are shown below.
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 3-5: RS-232 Pinouts