User's Manual

1-18
Chapter 1: Product introduction
9. USB 2.0 connectors (10-1 pin USB34, USB56)
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cationthat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.
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.
A68HM-E
A68HM-E USB2.0 connectors
PIN 1
USB+5V USB_P5- USB_P5+ GND NC
USB+5V
USB_P6-
USB_P6+
GND
USB56 USB34
PIN 1
USB+5V USB_P3- USB_P3+ GND NC
USB+5V
USB_P4-
USB_P4+
GND
A68HM-E
A68HM-E Serial port connectors
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
E9808_A68HM Series_Manual.indb 18 2014/10/16 10:09:05