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12 Station Extensions - Software User’s Manual S IPLACE HS-50 12.2 GEM Interface Software Version SR.501.xx Edition 01/99 408 6SRROIXOO DFWL RQ  – 2Y HUZUL WH If there i s no more s pace avail able in th e spooli ng …

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User’s Manual SIPLACE HS-50 12 Station Extensions - Software
Software Version SR.501.xx Edition 01/99 12.2 GEM Interface
407
3RVVLEOHVHWW LQJV 
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(See also section 12.2.2.5) 
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When the station is switched on, the station computer attempts to connect to the host com-
puter.
1R
When the station is switched on, no connection to the host computer is made. However, the
operator can establish the connection manually in the "State view" (see also section 12.2.2.5
).

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(See also section 12.2.2.5) 
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It is not possible to send or receive messages.
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In the "Placement Program" view, the user can "upload" placement programs from the sta-
tion computer to the host computer (See also section 12.2.2.6
).
1R placement programs can be downloaded from the host computer to the station com-
puter.
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In the "Placement Program" view, the user can upload placement programs from the sta-
tion computer to the host computer and "download" from the host computer to the station
computer.
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(See also section 12.2.2.5) 
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If the connection to the host computer is lost, the station will collect in a spooling file all mes-
sages intended for the host computer. Once the connection is re-established, the host can
pick up these messages from the station. The quantity of messages which can be stored
is limited by the size of the spooling file (20 MB).
1R
If the connection to the host computer is lost, all messages intended for the host computer
will be lost.
12 Station Extensions - Software User’s Manual SIPLACE HS-50
12.2 GEM Interface Software Version SR.501.xx Edition 01/99
408
6SRROIXOODFWL RQ 
2YHUZULWH
If there is no more space available in the spooling file, the oldest, stored message is over-
written by the latest, current message.
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If there is no more space available in the spooling file, all new incoming messages will be
discarded
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Not currently relevant.

Å Click the $FFHSW button to save the settings.
Å Click the 6(&63DUDPHWHUV button if you want to modify the SECS parameters (see also
section 12.2.2.3
).
User’s Manual SIPLACE HS-50 12 Station Extensions - Software
Software Version SR.501.xx Edition 01/99 12.2 GEM Interface
409
 6HWWLQJW KH*(06(&63DUDPHW HUV
&$87,21
The parameters illustrated in the figure below have been tested and are recommended.
They must be set as defaults in order to optimize transfer from the host computer to the line
computer. 
NOTES
Changing the parameters has the following effects on the day-to-day operation of the
GEM interface:
When a timeout value or the TCP/IP port number is changed, the GEM link to the host com-
puter is briefly interrupted. The GEM software is closed down when the IP address or IP
screen is changed. The GEM software cannot be used until the station is switched on again. 
