
G&R
User applications using one of our communications APIs from the GlAPI
library must send the $*$CN, $*$DIS and $*$BRK messages themselves
when using the Gline API, but they will be sent automatically by CMALLC,
CMDEAL and CMSERR when one of our CPI-C APIs is used. The PAD
service messages can only be used from the Gline API.
The connect command
$*$CN remoteaddress,userdata
The only information required is the X.25 number to be called in numeric
format, and the user data if needed in hexadecimal. Remote address is given as
a numeric X25 subscription. User data is three hexadecimal bytes.
Note that you can set the default values for the connect commands with para-
meters in the configuration file, but that if no default is configured then the last
value used for this particular field becomes the default. So if you make an error
in one of the parameters you need not specify the others in your next connect.
If you set all connect parameters in the configuration file you can connect from
most of the Host Links products using a single key connect command, or by
transmitting $*$CN.
The disconnect and break commands
All systems accept:
$*$DIS
force disconnection (normally done by application).
$*$BRK
interrupt application, against turn if necessary.
Gline Line Handlers and Configuration
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