Jetway Computer ADE4COMCB User Manual
ADE4COM
Mini-ITX 4 serial ports Adapter
Dimension：75 ╳ 82 mm
Chipset：Fintek F81216AD LPC to 4 UART
Features：
━ Totally provides 4 UART (16550 asynchronous) ports
━ Each UART includes 16-byte send/receive FIFO, a programmable
baud rate generator, complete modem control capability and an interrupt
system.
━ Baud rate up to 115.2K
━ Support 9-bit protocol
1
4
3
2
6
5
9
8
7
2
Pin No.
3
4
5
6
7
8
9
DCD#
SIN
SOUT
DTR#
GND
DSR#
RTS#
CTS#
RI#
Pin No.
1
Pin Definition Pin Definition
3
1
2 4 5 6 7 8 9
━ Support RS422/485 function
Connectors＆Pin Definition：
1. COM_A：
━ RS232
━ RS422
1
4
3
2
6
5
9
8
7
2
Pin No.
3
4
5
6
7
8
9
TX-(B)
TX+(A)
RX+(A)
RX-(B)
GND
NC
NC
NC
NC
Pin No.
1
Pin Definition Pin Definition
1
4
3
2
7
6
5
9
8
2
Pin No.
3
4
5
6
7
8
9
D-(B)
D+(A)
NC
NC
GND
NC
NC
NC
NC
Pin No.
1
Pin Definition Pin Definition
1 6
2
3
4
5
7
8
9
2
Pin No.
3
4
5
6
7
8
9
DCD#
SIN
SOUT
DTR#
GND
DSR#
RTS#
CTS#
RI#/+12V/+5V
Pin No.
1
Pin Definition Pin Definition
━ RS485
2. COM_B：Please refer to COM_A
3. COM_C：RS232 only
4. COM_D：RS232 only, please refer to COM_C
5. JP_COM_A：Select RS232/RS422/RS485
65
21
3 4
65
21
3 4
65
21
3 4
65
21
3 4
65
21
3 4
1-2 Close = RS232
3-4 Close = +12V
5-6 Close = +5V
━ RS232：1-2 close
━ RS422：1-2 and 3-4 close together
━ RS485：3-4 close or all open
Driver Receiver
━ SLEW RATE CONTROL：5-6
Open：Maximum data rate
Close：Data rate is 250Kbps
6. JP_COM_B：Select RS232/RS422/RS485, please refer to JP_COM_A
7. JP_COM_C：Select RI#/+12V/+5V
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