Vega INSYS Modem GPRS 5.0 Bedienungsanleitung PDF herunterladen (Seite 38)

Connection INSYS GPRS 5.0 serial

Alternatively, the settings for the leased line operation can be entered or modi-

fied using the terminal program.

Connection to an IP address

Setting for leased line function

AT**LL=2

Remote terminal IP address

AT**AUTOIP=<ip>

Remote terminal TCP port

AT**AUTOPORTIP=<port>

Save settings

AT**SAVE

Perform RESET,

accept all parameters

AT**RESET

Connection to a domain name

Setting for leased line function

AT**LL=3

Remote terminal IP address

AT**AUTOURL=<url>

Remote terminal TCP port

AT**AUTOPORTURL=<port>

Save settings

AT**SAVE

Perform RESET,

accept all parameters

AT**RESET

Alternative Access for leased line:

For applications which require high availability even if a remote terminal server

fails, a alternative access may be set.

It is based on the following mechanism:

If the INSYS GPRS 5.0 serial is restarted in leased line operation, the pre-defined

AutoDial default destination is dialed after 20 seconds. If the connection setup

fails, the device will attempt to dial the AutoDial alternative destination. If the

connection setup to the AutoDial alternative destination fails as well or if no

AutoDial alternative destination was entered, the dialing attempt will be repeated

after a waiting period has expired. First the default destination will be attempted

to read, and in case of a failure, the alternative destination. After each failed dial-

ing attempt (this includes both destinations), the waiting period is increased (in

steps of 40, 80, 320, 180 and 3600 seconds). The maximum waiting period is 3600

seconds. After the waiting period has expired, the device will again attempt to es-

tablish a connection to one of the two destinations. The command

AT**LLWAITRST defines the maximum number of failures. If this maximum

number of failed connection attempts is reached, the device will be restarted.

Only the failed connection attempts to the main destination are rated. The desti-

nation, with which a successful connection is established, will be used as new

AutoDial standard destination until the device is restarted.

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