T-Comfort 930 DSL, User Manual

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79
Putting a Cascaded PBX into Operation PBX Cascading
S
Please note: If you change the type of slave system later on, the port settings that
have been made will be deleted.
The master system then initialises the slave system. This may involve transfer of firmware (operating soft-
ware) from the master system to the slave system. The transfer process is only executed for two
T-Comfort 930 DSL PBXs. This can take a few minutes.
8. Configure the system telephone connected to the slave system for testing purposes in the Configurator .
In the PBX Configuration: Ports: Upn dialogue, click on one of the additionally displayed entries of the
type Upn 1/0/n (1: slave system, n: U
pn
port number).
N
Note: Changes to the configuration while initialising the slave system may trigger error
reports referring to the ongoing initialisation.
You can see that the initialisation has been completed from the display on the system telephone connected to
the slave system.
Notes
Observe the following when operating a cascaded PBX system:
■
All U
pn
, S
0
and a/b ports of the slave system can be used with appropriate telephones. All features of
system telephones on U
pn
ports are available without restriction.
■
The S
0
ports of the slave system can also be used for trunk lines or for PBX networking (see PBX Net-
working starting on page 81).
■
It is not possible to operate a DECT base station on one of the U
pn
ports of the slave system.
■
The COM, actor/sensor and LAN ports of the slave system cannot be used. The LAN ports on the add-on
module of slave system can be used without restriction.
■
The two communications systems must have a direct Ethernet connection or be connected via a hub in
order to exchange data. They cannot be connected through a router.
■
The slave system cannot be addressed directly through a LAN. For configuration, always use the Web
console of the master system.