Receiving a Message from the Host System When the
X.21
Switched Network
Is Installed
1.
When
the host system operator wishes to send a
message
to a terminal,
the
message
is
received automatically and you do not
have
to
be
present
if
one
of
the following symbols
is
also
displayed
in
the Operator Infor-
mation Area:
a.
Call
Ready
(--z-
)
b.
CaU
Ready with Communication Error Reminder
(~nn
or
~~5nn)
c.
Call
Ready with
Call
Progress
Signal
(
~Nnn
)
If the local symbol (
~"-
Cjq
)
is
displayed, press the
~
key,
then the
COMM
key. The
Call
Ready symbol (
---z-
)
will
be
displayed.
Notes:
1.
IfComm
Check
(--"-
.33,557,
or
5
(::,-1
)
is
displayed,
the following steps are
not
possible.
2.
If
you
need to reject a call from the host system, press the
~
key,
and then the LOCAL key.
The
Local
mode
indicator
(~qq
or
5(~l':::f)
will be displayed in the Operator Infonnation Area.
Any
incoming call from the host system while
in
local
mode
will be
rejected.
3.
If
the Local symbol
(~(~lCj
or 5
(~1(.1
)
is
displayed, press
the
~
key, then the
COMM
key. The Call Ready symbol
(-~
) will be displayed.
2.
When
the incoming
call
is
in
process, the Incoming
Call
in
Process symbol
( ..
--z..-
)
is
displayed.
When
the network connection
has
been
established, the
In
Use
symbol ( N )
is
displayed, and the Incoming
Call
in
Process symbol
will
disappear.
3.
Your application
may
require you to perform a logon procedure before
you
can
enter data. Perform the logon procedure
if
required.
4.
Key
in
the
message
data, and press the ENTER key or the
PF
key specified
for your application.
5.
Note the formatted display or host-system response
on
your screen.
If
required, press the
RESET
key and continue keying
message
data.
Press
the ENTER or
PF
key when you
have
finished your
message.
6.
When
the data transmission
is
finished, the network
is
disconnected by:
a.
Pressing
of
the
~
and
DISC
keys.
b.
A Disconnect command
from
the host system.
c.
A Clear Indication
signal
from the network.
d.
An
automatic timeout
of
the terminal.
While
disconnection
is
in
process, the
In
Use
symbol ( N ) and the
Disconnect
in
Process symbol
(~):-
)
are
present. They
will
disappear when disconnection
is
completed.
Note: For items
band
c,
the Clear Indication symbol
(~
37
or
5 5
'4
) will be displayed.
7.
You
are
now
free
to send a
new
message
or to
receive
a
message
from the
host.
Chapter 4. Features for the 3278
4-31
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