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PC-1500
at http:l/www.PC-1500.info
Pin assignment
Pi
n
No.
2
3
4
5
6
7
8
20
hem
Symbol
In/Out
Func11on
Rem11b
Transmit Data
TO
Out
Se-nd data ±(5-10)
voe
\ignal
'
Receive
Data
RO
lo
Receive
data
!
(5-
1SI
VOC
119nail
h~
odem
t
ransmission
cn1ucr
cont
rol.
O FF in
Rcquest·To·Send
RTS
O
u
t
ON
N
>I
:
Send
earner.
Pow
ur
OFF
fV
-
1:
Stop
can
•C•.
01,,
Oa13
trat1vn1
ss1
on
coc1
1tol.
OFF
when
a
Clear·
To-Send
CTS
In
ON:
Da ta
uansm1
ssron
ef'll)blfd
.
Cable
isn't
OFF:
Data
1r1nvn1ss1
on
d•sab~d
.
connt.'Cltd.
totodttn
Slitus
1ndic
..
1or.
ONwhcn1
Data
Set
Ready
OSR
lo
ON
:
W.Odem
rtady
to
~ndJr~ 111e.
c.abft
.sn'1
OFF
:
Modem
no1
r~~Y
to
wnd/
1ece1Yt.
connected.
Signal Ground
SG
Provides
refl'fence volt&ye
itvel
with
respect
to
all
interfacing s1gnil.
C'arr1
cc d etec
tio n.
O
N
w
hen a
Carrier
Detect
CD
In
O
N
:
c a;ticr
sigo
al
f(.' C
41•vcd
.
cable isn'
t
OFF
:
C\ln
ic:r
s1
!1
nal
no
t
nlceived.
connccu:IJ.
Data Terminal
Status indication
on
1
~tm
1
nal
iidc
rce.158>.
OFF
Hl
Ready
OTA
Out
ON
:
Terminal
re.xiv.
Power
OFF:
Termin
al no1
r
~i.ldv.
On.
NOTE
:
Input signal within•
range
of •
5
to •15
V
and
output
signal
within a range
of •
5
to
•
10
V will repre,..nt ON state, and
input
signal within a
range
of
-
5 to
15 V and
outpUt
signal
within
a
range of
-
5
to
-
10
V
will represent
OFF
state,
12
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not
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