Iei-integration IOVU-752S Manual do Utilizador descarregar pdf (Página 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

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 47 48

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