Contec BX710 Series, User Manual

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5. Each Component Function
BX710 series User’s Manual
97
Serial Port Interface : SERIAL A, SERIAL B
SERIAL1, 2, 3 (RS-232C Ports)
The product has five channels of RS-232C compliant serial ports supporting up to a baud rate of
115,200bps with a 16-byte transmission-dedicated data buffer and a 16-byte reception-dedicated data
buffer. You can use “Chapter 4 BIOS Setup” to configure an I/O address, interrupt and unused state
for each of the ports independently. (The same I/O address and IRQ cannot be shared with any other
device.)
Please refer to “Chapter 6 I/O Port Addresses” for more information on I/O address and register
function.
Table 5.7. SERIAL 1, 2, 3, 4, 5 I/O Addresses and Interrupts
SERIAL
I/O address Interrupt
1 3F8h - 3FFh
IRQ 4
2 2F8h - 2FFh IRQ 3
3 (For touch panel
communication) *1
2A0h-2A7h IRQ5
4 (system reserved) *2 2A8h-2AFh IRQ6
5(RS422/485) *3 3B0h-3B7h IRQ7
*1 Set as Disable when shipped. If you use the touch panel for the display device using LVDS connection, set to Enable.
The I/O address is fixed and can not be changed.
*2 Set as Disable when shipped. Not available since it is for the reserved device for the functional expansion in future.
The I/O address is fixed and can not be changed.
*3 Set as Disable when shipped.
Set in
“
Enabled
”
when using RS422/485 in RAS connector.
The I/O address is fixed and can not be changed.
Table 5.8. Serial Port Connector
Connector used on
the product
9-socket D-SUB (MALE)
1 5
9
6
No.4-40UNC
Inch screw
threads
Pin No.
Signal
name
Meaning Direction
1 CD Carrier detect Input
2 RD Received data Input
3 TD Transmitted data Output
4 DTR Data terminal ready Output
5 GND Signal ground -----
6 DSR Data set ready Input
7 RTS Request to send Output
8 CTS Clear to send Input
9 RI Ring indicator Input