Asus B85-PLUS R2.0 B85-PRO User's Manual - Page 27

Onboard LEDs, Standby Power LED, Serial port connector 10-1 pin COM

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RXD DTR DSR CTS DCD TXD GND RTS RI 10. Serial port connector (10-1 pin COM) This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis. COM PIN 1 B85-PLUS B85-PLUS Serial port (COM) connector The COM module is purchased separately. 1.8 Onboard LEDs 1. Standby Power LED The motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED. B85-PLUS SB_PWR ON OFF Standby Power Powered Off B85-PLUS Onboard LED ASUS B85-PRO / B85-PLUS 1-19

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ASUS B85-PRO / B85-PLUS
1-19
1.8
Onboard LEDs
1.
Standby Power LED
The motherboard comes with a standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should
shut down the system and unplug the power cable before removing or plugging in any
motherboard component. The illustration below shows the location of the onboard LED.
SB_PWR
ON
Standby Power
Powered Off
OFF
B85-PLUS
B85-PLUS Onboard LED
10.
Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
The COM module is purchased separately.
B85-PLUS
B85-PLUS Serial port (COM) connector
PIN 1
COM
D
C
D
D
X
T
D
N
G
S
T
R
I
R
D
X
R
R
T
D
R
S
D
S
T
C