Manual

ECW-281B/281B2-R30/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
777Table 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
777Figure 3-14
CN Pinouts:
See
777Table 3-16 and 777Figure 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