Putting a Cascaded PBX into Operation
143
PBX Cascading
Note:
Changes to the configuration while initialising the slave
system may trigger error reports referring to the ongoing initiali-
sation.
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:
z
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.
z
The S
0
ports of the slave system can also be used for trunk
lines or for PBX networking (see
PBX Networking
starting on
page 144).
z
It is not possible to operate a DECT base station on one of the
U
pn
ports of the slave system.
z
The COM, actor/sensor and LAN ports of the slave system
cannot be used.
z
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.
z
The slave system cannot be addressed directly through a LAN.
For configuration, always use the Web console of the master
system.
z
A memory card installed in the slave system (Forum Voicemail,
Forum Auto Attendant) cannot be used.
z
To operate the slave system again normally, you must reset it
to its factory settings (refer to
Resetting the System Data
starting on page 72).
Summary of Contents for Forum 526
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