Routing and WAN connections
444
11.14
serial interface
BAT54-Rail/F..
Release
7.54
06/08
Note: The setting 'Name' offers the greatest security when an entry is made
into the number list as well as the PPP list. The setting 'fast' offers the fast-
est callback method between two Hirschmann routers.
Note: With Windows remote stations, the 'Name' setting must be selected.
11.14serial interface
Note: This section refers only to devices with a serial configuration interface.
11.14.1Introduction
Internationally, analog telephone connections are just as common in the
business world as the predominant ISDN connections in Germany. The op-
eration of international networks thus places particular demands on remote
maintenance options and for high-availability of the gateways and thus re-
quires different interfaces than the ISDN common in Germany. Apart from
conventional analog telephone lines, mobile telephone networks such as
GSM or GPRS may, in certain cases, represent the only way of providing re-
mote maintenance without broadband or other cabled access.
In response to these requirements, most models with a serial interface can
be extended with an additional WAN interface with the use of analog mo-
dems, GSM or GPRS. The following functions are available with a suitable
modem in combination with the Modem Adapter Kit:
D Internet access via modem with all of the router functions such as firewall,
automatic connection establishment and termination, etc.
D Remote maintenance (e.g. dial-in to international sites)
D Backup connection (e.g. high-availability through GSM/GPRS modem
connection)
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