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Toshiba T3100e - Async Test Procedures; Async Test Wrap Around (Board); Async Test Board (#1) <=> Board (#2); Async Test Point to Point (Send)

Toshiba T3100e
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File
No.
960-010
3.10
ASYNC
TEST
In
subtest
01
to
subtest
OS,
data
transmission
is
done
with
the
following
format:
Subtest
01
Subtest
02
Subtest
03
Speed:
9600
BPS
Data
8
bits
and
one
parity
bit
(EVEN)
One
stop
bit
Data
pattern:
20H
to
7EH
Wrap
around
(board)
NOTE:
The
RS-232-C
wraparound
connector
must
be
connected
to
channell
to
execute
this
test.
The
wiring
diagram
of
the
RS-232-C
wraparound
connector
is
described
in
part
3.25.
A
data
send/receive
test
is
performed
with
the
wraparound
connector
for
the
channell.
Board
(#1)
<=>
board
(#2)
NOTE:
The
RS-232-C
direct
cable
(9-pin
to
9-pin)
must
be
connected
to
channel
1
and
2
to
execute
this
test.
The
wiring
diagram
of
the
RS-232-C
direct
cable
is
described
in
part
3.25.
The
same
test
as
the
subtest
01
is
performed
for
the
channel
#1
<=>
#2
Point
to
point
(send)
NOTE:
This
subtest
must
be
executed
in
condition
that
two
machines
are
connected
with
the
RS-232-C
direct
cable
and
one
side
should
be
set
as
'send'
and
the
other
set
as
'receive'.
The
wiring
diagram
of
the
RS-232-C
direct
cable
is
described
in
part
3.25.
The
subtest
03
executed
in
one
side
and
the
subtest
04
executed
in
the
other
will
check
the
communication
capability
as
follows:
A
block
of
data
(20H
to
7EH)
is
sent
from
one
side
to
the
other,
and
then
returned
back.
The
returned
data
is
compared
with
the
original
one.
This
test
is
used
to
check
whether
the
returned
data
are
same
as
the
original
ones.
3-20

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