Chapter 3
31
KEMB-8100 & ATX-KLS0 Series User’s Manual
Table 29 CN2 USB3.0 Port-5, 6 Box Header (Q170 models only)
Pin
Signal Name
Pin
Signal Name
1
USBA_VBUS
20
KEY
2
USBA_RX-
19
USBB_VBUS
3
18
USBB_RX-
4
GND
17
5
USBA_TX-
16
GND
6
15
USBB_TX-
7
GND
14
8
USBA_D-
13
GND
9
12
USBB_D-
10
NC
11
Pitch:2.0mm
Table 30 CN3 RS-232 COM3 Pin Header
9
2
1
Pin
Signal
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator / +12V / +5V *
10
NC, Key
Pitch:2.54mm
*
：
Selected by JP1.
Table 31 CN4 RS-232 COM4 Pin Header
9
2
1
Pin
Signal
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator / +12V / +5V *
10
NC, Key
Pitch:2.54mm
*
：
Selected by JP1.
