Lanner LEC-7100 - Manual (Page 13)

10
Motherboard Information
Chapter 3
Embedded and Industrial Computing
M9
RS-232 COM Port(COM1, CN18): It is the RS-232 serial
port.
M10 SO-DIMM Socket (CN8): It is for connecting the DDR2
667 (200 pin) memory. The system can suport up to 2
GB in maximum.
M11 Clear CMOS jumper (JP3): It is for clearing the CMOS
memory.
M12 M14 Ring-indicator Jumper Setting (JP1, JP2): The
Ring indicator pinout of the RS-232 COM port (JP2 for
COM1 and JP1 for COM2) can be altered according to
the following jumper settings.
M13 Mini-PCIe Wireless LED(J7): It shows the wireless
connection status for wireless modules connected in
Mini-PCIe Socket.
M15 RS-232 COM Port(COM2, J8): It is for connecting the
RS-232 interface cable .
M16 USB Ports (No. 0/1/2/3): The system provides 4
external USB [CN16 for USB0, USB1 (the bottom one
is USB0; the upper one is USB1) and CN17 for USB2,
USB3 (the bottom one is USB2; the upper one is
USB3)] type A connectors.
Pin No. Function
1-2 Normal (Default)
2-3 Clear CMOS
1 2 3
6
4
2 5
3
1
Pin No. Function
5 LED1_WPAN_N
3 LED1_WLAN_N
1 LED1_WWAN_N
Function Pin No.
LED1R_WPLAN_N 6
LED1R_WLAN_N 4
LED1R_WWAN_N 2
Pin No. Function
1-2 Supply +5V to Device
3-4 Supply +12V to Device
5-6 RS-232 Ring
6
4
2 5
3
1
6 7 8 9
1 2 3 4 5
P i n
No.
Pin Name
1 Data Carrier Detectg
2 Receive Data
3 Transmit Data
4 Data Terminal Ready
5 Ground
P i n
No.
Pin Name
6 Data Set Ready
7 Request to Send
8 Clear to Send
9 Ring Indicator
Pin No. Function
Key 10
Ring Indicator 8
Clear to Send 6
Request to Send 4
Data Set Ready 2
Pin No. Function
9 Signal Ground
7 Data Terminal Ready
5 Transmitted Data
3 Received Data
1 Data Carrier Detected
10
8
6
4
2
9
7
5
3
1
39 Reserved 40 GND
41 Reserved 42 Reserved
43 Reserved 44 Reserved
45 Reserved 46 Reserved
47 Reserved 48 +1.5V
49 Reserved 50 GND
51 Reserved 52 +3.3V