User`s manual

Chapter 2: Installation
2-25
D
C
A
B
A. PWR LED
B. COM2
C. COM3
D. COM4
E. COM1
Onboard Power LED (JLED)
An onboard Power LED header is lo-
cated at JLED. This Power LED header
is connected to Front Control Panel
located at JF1 to indicate the status of
system power. See the table on the right
for pin denitions.
Onboard PWR LED
PinDenitions
Pin# Denition
1 VCC
2 No Connection
3 Connection to PWR
LED in JF1
Serial Ports (COM1 ~ COM4)
In addition to COM1, which is located
on the I/O back panel, there are three
Serial port headers on the motherboard
for COM2, COM3 and COM4. See the
table on the right for pin denitions.
Serial Ports-COM2/COM3/COM4
PinDenitions
Pin # Denition Pin # Denition
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 N/A
E