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FPC 8059
U
ser
’
s Manua
l
Hardware
Installation
11
2.3 Serial Port Interface
The
FPC 8059
has
two
onboard
serial
ports,
COM1
(RS-232/422/485)
&
COM2
(RS-232).
The
pin
assignments
are
listed
below:
Desc
rip
tion
1
Data
Ca
rrier
Detect
(DCD)
2
Rec
eive
Da
ta
(RXD)
3
Tr
ans
mit
Data
(TXD)
4
Data
Terminal
Re
ad
y
(DTR)
5
Ground
(GND)
6
Data
Set
Ready
(DSR)
7
Re
ques
t
to
Se
nd
(R
TS)
8
Clear
to
Send
(
CTS
)
9
Ring
I
ndic
ato
r
(R
I)
In
addition,
COM1
can
be
set
for
RS-232/422/485
by
jumper.
The
jump
setting
is
listed
as
below:
COM1
JP12
JP10
JP11
RS-232
(default)
1-
2
3-5,
4-6
3-5,
4
-6
RS-422
3-
4,
7
-8
1-3,
2-4
1-3,
2
-4
RS-485
5-
6,
7
-8
1-3,
2-4
1-3,
2
-4
COM2
COM1