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S
S
UPER
ERVER 1027R-WC1R/1027R-WC1RT User's Manual
Serial Ports
One serial port is located next to the
VGA port. COM1 provides support for
a serial connection. See the table on
the right for pin defi nitions.
Power LED/Speaker
On the JD1 header, pins 1-3 are for
a power LED and pins 4-7 are for the
speaker. Close pins 4-7 with a jumper
to use an external speaker. If you wish
to use the onboard speaker, please
close pins 6-7. See the table on the
right for speaker pin defi nitions.
T-SGPIO Header
The SGPIO (Serial General Purpose
Input/Output) header is used to com-
municate with the enclosure manage-
ment chip on the backplane. See the
table on the right for pin defi nitions.
Overheat/Fan Fail LED
The JOH1 header is used to connect
an LED indicator to provide warnings
of chassis overheating and fan failure.
This LED will blink when a fan failure
occurs. Refer to the table on the right
for pin defi nitions.
Serial Port Pin Defi nitions
(COM1/COM2)
Pin #
Defi nition
1
DCD
2
RXD
3
TXD
4
DTR
5
Ground
PWR LED Connector
Pin Defi nitions
Pin#
Defi nition
1
Anode (+)
2
Cathode (-)
3
NA
Speaker Connector
Pin Settings
Pin Setting
Defi nition
Pins 4-7
External Speaker
Pins 6-7
Internal Speaker
T-SGPIO Header
Pin Defi nitions
Pin#
Defi nition
1
NC
3
Ground
5
Load
7
Clock
Overheat LED
Pin Defi nitions
Pin#
Defi nition
1
VDC
2
OH Active
OH/Fan Fail LED
Status
State
Solid
Blinking
5-18
Pin # Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC
Pin
Defi nition
2
NC
4
DATA Out
6
Ground
8
NC
Message
Overheat
Fan Fail
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