Specifications

7. USB 2.0 connectors (10-1 pin USB910, USB1112)
TheseconnectorsareforUSB2.0ports.ConnecttheUSBmodulecabletoanyofthese
connectors,theninstallthemoduletoaslotopeningatthebackofthesystemchassis.These
USBconnectorscomplywithUSB2.0specicationsandsupportsupto480Mbpsconnection
speed.
Neverconnecta1394cabletotheUSBconnectors.Doingsowilldamagethe
motherboard!
TheUSB2.0moduleispurchasedseparately.
8. 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.
H81M-C R2.0
H81M-C R2.0 USB2.0 connectors
PIN 1
USB+5V
USB_P9-
USB_P9+
GND
NC
USB+5V
USB_P10-
USB_P10+
GND
USB910 USB1112
PIN 1
USB+5V
USB_P11-
USB_P11+
GND
NC
USB+5V
USB_P12-
USB_P12+
GND
TheCOMmoduleispurchasedseparately.
H81M-C R2.0
H81M-C R2.0 Serial port connectors
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
ASUS H81M-C R2.0
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