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Chapter 10
10. Se al-Port Interf
ri
T
wo fu
lly functio l serial ports (COMA and COMB) pr
na
COMB support RS-232 operation m
FIFO buffers for transfer rates from 50 Baud to 115.2 K
10.1
Connector
COMA is available through the X15000 connector (10 pins)
pins). To have the signals available on the standard serial i
adapter cable is required.
A 9-pin DSUB cable is
following table shows the pinouts for COMA and COMB, as well as necessary connections for DSUB adapters.
Header
Pin
1
2
3
4
5
6
7
8
9
10
Note:
To protect the external power lines of peripheral devices, make sure that
1
- the wires have the right diameter to withstand the maximum available current.
- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.
To find the location of the serial ports on the MOPSlcdLX board, please see the Appendix "Connector Lay-
out".
Kontron User's Guide MOPSlcdLX
aces
odes. They are 16550 high-speed UART compatible and support 16-byte
available from Kontron (KAB-DSUB9-2, Part Number 96017-0000-00-0). The
Signal Name
Function
/DCD
Data Carrier Detect
/DSR
Data Set Ready
RXD
Receive Data
/RTS
Request to Send
TXD
Transmit Data
/CTS
Clear to Send
/DTR
Data Terminal Ready
/RI
Ring Indicator
GND
Signal Ground
(1)
VCC
ovide asynchronous serial communications. COMA and
Baud.
and COMB through the X15001 connector (10
nterface connectors DSUB-9 or DSUB-25, an
In/Out
In
In
In
Out
Out
In
Out
In
--
+5V
--
22
Serial-Port Interfaces
DSUB-25
DSUB-9
8
1
6
6
3
2
4
7
2
3
5
8
20
4
22
9
7
5
--
--
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