4. Each Component Function
28
PT-955LX / LXF User’s manual
Serial Port Interface: SERIAL A - B
SERIAL A,B (RS-232C Ports)
The product has 2 ports 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 5 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 4.6. SERIAL A, B, C, D, E I/O Addresses and Interrupts
SERIAL I/O
address
Interrupt
A 3F8h
-
3FFh
IRQ 4
B
2F8h - 2FFh
IRQ 3
C (system reserved)*1
D (system reserved) *1
E (system reserved) *1
2A0h-2A7h
IRQ5
*1 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.
Table 4.7. Serial Port Connector
Connector used on
the product
9-pin 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
Summary of Contents for PT-955LX-DC5000
Page 1: ...IPC Series PANEL PC 955 Series Fanless Atom N270 CF 12 1 model User s Manual CONTEC CO LTD...
Page 7: ...vi PT 955LX LXF User s manual...
Page 19: ...2 System Reference 12 PT 955LX LXF User s manual...
Page 29: ...3 Hardware Setup 22 PT 955LX LXF User s manual...
Page 39: ...4 Each Component Function 32 PT 955LX LXF User s manual...
