Asus H81M-V3 - Page 27

7. Serial port connector (10-1 pin COM2)
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.
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.
H81M-V3
H81M-V3 Serial port (COM2) connector
PIN 1
COM2
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
H81M-V3
+5V GND GND Speaker Out
SPEAKER
PIN 1
H81M-V3 Speaker Out connector
ASUS H81M-V3
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