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2 serial port connector (com1) – IEI Integration ECW-281B-N270-WT v3.01 User Manual

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ECW-281B/281B2-R30/N270 Embedded System

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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

777

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

777

Figure 3-14

CN Pinouts:

See

777

Table 3-16

and

777

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

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