15
3.4 Serial Ports
The JUKI-740E offers two high speed NS16C550 compatible UARTs with
Read/Receive 16 byte FIFO serial ports.
CN27 : Serial Port DB-9 Connector( COM1 )
PIN DESCRIPTION
1
DATA CARRIER DETECT
(DCD)
2 RECEIVE
DATA
(RXD)
3 TRANSMIT
DATA
(TXD)
4
DATA TERMINAL READY
(DTR)
5 GROUND
(GND)
6
DATA SET READY
(DSR)
7
REQUEST TO SEND
(RTS)
8
CLEAR TO SEND
(CTS)
9 RING
INDICATOR
(RI)
CN28 : Serial Port 10-pin Header( COM2)
PIN DESCRIPTION
PIN DESCRIPTION
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTX
4
DTR
9
RI
5
GND
10
NC
3.5 Keyboard / Mouse Connector
The JUKI-740E provides two keyboard/mouse connectors.
CN37 : 5-pin Header Keyboard Connector
PIN DESCRIPTION
1 KEYBOARD
CLOCK
2 KEYBOARD
DATA
3 N/C
4 GROUND
5 +5V
CN35 : 5-pin Header Mouse Connector
PIN DESCRIPTION
1 MOUSE
DATA
2 N/C
3 GROUND
4 +5V
5 MOUSE
CLOCK
