20
3.9 External Battery Connector
The ROCKY-538TXV built-in a 3V/850mAH industrial Li-battery
for CMOS and RTC backup. When normal operation will not
need external battery to backup the data. If want to connect the
external battery you could take off the J9’ s pin 1-2 jumper. Then
connect the external battery to pin 1-4.
•
J9 : External Battery Connector
PIN NO.
DESCRIPTION
1
External B
2
NC
3
N/C
4
Ground
3.10 USB Port Connector
The ROCKY-538TXV built-in two USB ports for the future new
I/O bus expansion.
•
J3 : USB 0
J4 : USB 1
1
VCC
2
DATA-
3
DATA+
4
GROUND
3.11 IrDA Infrared Interface Port
The ROCKY-538TXV built-in a IrDA port which support Serial
Infrared(SIR) or Amplitude Shift Keyed IR(ASKIR) interface.
When use the IrDA port have to set SIR or ASKIR model in the
BIOS’ s Peripheral Setup’ s COM 2. Then the normal RS-232
COM 2 will be disabled.
•
JP2 : IrDA connector
Summary of Contents for ROCKY 538TXV
Page 2: ......
Page 9: ...7 2 2 Unpacking ...