Asus H81M-CT - Page 26

1-18
Chapter 1: Product introduction
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.
11. Mono out header (2-pin MONO_OUT)
Thisinternalmonooutheaderallowsconnectiontoaninternal,lowpowerspeakerfor
basicsystemsoundcapability.Thesubsystemiscapableofdrivingaspeakerloadof4
Ohmsat2Watts(rms).
H81M-CT
H81M-CT Serial port connectors
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
R_OUT-
R_OUT+
PIN 1
MONO_OUT
H81M-CT
H81M-CT MONO_OUT connector