Proconx XNUT-100 Hardware Manual page 18

XNUT-100 Hardware Manual
5.3 RS-232 Connector J7 (SER1)
J7
SER1 RS-232
5.3.1 Maximum Cable Length
18
<
$
9/ B2 ,2
C,<#D
Pin Signal
1 NC (not connected)
2 TD Transmit data
3 RD Receive data
4 NC (not connected)
5 GND Signal Ground
6 NC (not connected)
7 NC (not connected)
8 NC (not connected)
9 NC (not connected)
FG Connector frame/shell is connected to ground
9/> 8, <,
! "
Note
<
2
< 8 24'42!
5. #7024'42
45..
7
3. 5/ (
9B
Function
$
;"<23.. ! C
E C,<#D
)
8 24'4
" 08<3
! D
$
9B
E
AVR I/O Pin
PD3
PD2
0F8
$
2
35
E
4.
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