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(4)
Chip
switch(CS4)
The
chip
switcn(CS4)
communication
RS232C
|
1 -
~ ' \ ' / 1 - ' * ' ~
4
3
7
8
56 psi
0
O
|
:O ml
'
I
EO OE
O
O
5__l_.§__,_.
Q
4
of
tips
pcs
in
this
Switch
are
Fig.
10-6
outside
that
the
In
case
matching
the
interface,
The
is
necessary.
follows:
condition
is
as
Sending
TxD
signal:
level.
low
(output)
signal:
To
request
RTS
The
signal
signal:
DCD
earthed
If
signal:
Data
CTS
always
condition
defines
the
interface.
sig
TxD
TxD
sig
Q
|
[___
I
__
i
:Z
RTS
sig
0
sig.
RTS
W
|
sig.
O
EO
f"DCD
I
DCD
sig
_
CTS
sig
,
CTS
sig
is
equipment
baud
of
the
rate
the
of
signals
meaning
outside
signal
to
data
data
sending
indicate
that
this
condition,
condition
in
receiving
is
recieve.
to
accept
90
of
sending/receiving
is
outputted
tip
is
outputted
tip
is
the
outputted
is
the
outputted
active
if
becomes
becomes
earthed
if
_
_
becomes
active
it
becomes
earthed
if
through
connected
logic
and
signal
sending/receiving
which
select
equipment.
TxD
outside.
RTS
means
to
is
done
that
sending
unit
do
receiving.
only
equipment.
outside
to
of
the
is
inserted
in
is
7.
tip
is
in
6
is
in
tip
5
is
in
the
tip
the
is
in
tip
3
_
_
in
the
4
tip
is
the
in
3
tip
is
communication
RS-232C
outside
equipment
to
is
signal
means
is
low.
signal
outside
equipment
from
earthed,
If
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