![FabiaTech FB2642 User Manual Download Page 19](http://html.mh-extra.com/html/fabiatech/fb2642/fb2642_user-manual_536432019.webp)
FabIATech Corporation
CN4
Signal
RS422 RS485 DB9
1 -DCD2 1
2 -DSR2 6
3 RXD2 RX-
485-
2
4 -RTS2 TX- 7
5 TXD2 RX+
485+
3
6 -CTS2 TX+
8
7 -DTR2 4
8 -RI2
9
9 GROUND 5
10 CASE
GROUND
J12: 5-pin Infrared Header
J12 provides infrared signals of serial port 2. The infrared signal is used to interface with
Infrared modules.
J13
J11
J10
J8
J7
J12
J9
DB2
J6
J4
CN5
CN4
J2
CN3
CN2
BT1
J3
J5
J1
CN8
CN7
JP1
CN9
CN1
SW1
BZ1
DIMM1
JP2
J14
CN6
LED1
J4: Touch Screen Header
J4 provide basic RS-232C signals of serial port 2 respectively. The basic RS-232C signal is
used to interface with touch screen controller internally.
J13
J11
J10
J8
J7
J12
J9
DB2
J6
J4
CN5
CN4
J2
CN3
CN2
BT1
J3
J5
J1
CN8
CN7
JP1
CN9
CN1
SW1
BZ1
DIMM1
JP2
J14
CN6
LED1
J12
5
1
Pin 1: VCC
Pin 2: N.C.
Pin 3: IRRX
Pin 4: Ground
Pin 5: IRTX
J4
1
3
Pin 1: TXD
Pin 2: RXD
Pin 3: Ground
13