beautypg.com

2 serial port connector (com1) – IEI Integration ECW-281B-N270-WT v2.10 User Manual

Page 51

background image

ECW-281B-R21/N270 Embedded System

Page 35

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. See

810H726H726H728H

Table 3-15

.

STATUS

DESCRIPTION

STATUS

DESCRIPTION

GREEN Activity

YELLOW Linked

Table 3-15: RJ-45 Ethernet Connector LEDs

3.4.2 Serial Port Connector (COM1)

CN Label:

COM1

CN Type:

DB-9 connectors

CN Location:

See

811H727H727H729H

Figure 3-14

CN Pinouts:

See

812H728H728H730H

Table 3-16

and

813H729H729H731H

Figure 3-16

The 9-pin DB-9 serial port connectors are connected to RS-232 serial communications

devices.

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 DCD

6 DSR

2 RX

7 RTS

3 TX

8 CTS

4 DTR

9 RI

5 GND

Table 3-16: RS-232 Serial Port (COM 1) Pinouts

Figure 3-16: COM1 Pinout Locations

This manual is related to the following products: