Texas Instruments 990 User Manual page 141
Dx10 hdlc communications package
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Also See for 990:
- Operation manual (276 pages) ,
- Manual (211 pages) ,
- Installation and operation manual (122 pages)
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Appl ications U til i ti es
5.
4
REK>TE SCI
UT IL
IT IES
Remote SCI provides a means of interacting wLth a
TX5
secondary
station
from
a
terminal at the primary station.
Remote SCI is
modeled after DXIO SCI and makes it unnecessary for the
operator
to
adj ust
to
TX5
operator
communication
package
(OCP)
when
derugging secondar'y
station
software.
The
remote
SCI
tasks
consist of two software modules as follows:
*
DXIO
disk-resident
remote
SCI tasks which provide the
f ollowi ng f uncti ons:
An interface to an interactive terminal at a DX10-
supported primary station
where
the
remote
SCI
feat ure has been incl uded
An
interacti ve
process
between the user and the
remote SCI facility to acquire the necessary
data
for execution of the requested commands
Interpretation
and
fonnatting
of
the resp:>nses
bef ore tr ansmission to a secondary station
remote
SCI task
Interpretation
of the response from the secondary
station
Conversion
of
the
response
data
into
a
form
suitable for output to the specified device
Writing the
res~nse
to the device
Writing any error messages to the terminal
*
A
memory- resi dent
TX5
remote SCI tas k
1
inked wi th the
appropriate operating system and pro vi di ng the followi ng
functions:
Interpretation of the command
received
from
the
DX10 remote SCI task
Execution of the requested function
Ret urn of the resul ts to DX10
Return of appropriate error codes to DXIO
Ret urn
to
DX10
of TX5 start tas k and di agnosti c
tas k messages and any other
messages
wri tten
to
the TX5 log
2270526-9701
5-19
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