Asus H81M-V PLUS User Guide - Page 25

H81M-V PLUS Serial port connector

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RXD DTR DSR CTS DCD TXD GND RTS RI 7. 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 H81M-V PLUS H81M-V PLUS Serial port connector The COM module is purchased separately. 8. Speaker connector (4-pin SPEAKER) The 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you hear system beeps and warnings. SPEAKER H81M-V PLUS PIN 1 H81M-V PLUS Speaker connector +5V GND GND Speaker Out ASUS H81M-V PLUS E9408_H81M-V_PLUS_Guide.indb 17 1-17 2015/1/19 15:50:59

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ASUS H81M-V PLUS
1-17
8.
Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you hear system beeps and warnings.
7.
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.
H81M-V PLUS
H81M-V PLUS Serial port connector
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
H81M-V PLUS
H81M-V PLUS Speaker connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
E9408_H81M-V_PLUS_Guide.indb
17
2015/1/19
15:50:59