UltraBookIIi User Guide
C–9
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Serial Port-A Connector
The Serial Port-A Connector on the I/O break-out cable
is a female, 25-pin (DB25) connector. The following
table lists the pin assignments for this connector. Figure
C-8 shows this connector.
Figure C-8 Serial Port-A Connector
Pin
Signal
Pin
Signal
1
NC
14
NC
2
SERIAL_TXD_A
15
SERIAL_TRXC_A
3
SERIAL_RXD_A
16
NC
4
SERIAL_RTS_A
17
SERIAL_RXV_A
5
SERIAL_CTS_A
18
NC
6
SERIAL_DSR_A
19
NC
7
GND
20
SERIAL_DTR_A
8
SERIAL_DCD_A
21
NC
9
NC
22
NC
10
NC
23
NC
11
NC
24
SERIAL_TXC_A
12
NC
25
NC
13
NC
1
14
25
13
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