PBX Cascading
Putting a Cascaded PBX into Operation
125
11.3.1 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 tele-
phones. 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 net-
working (see
PBX Networking
starting on page 127).
■
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 rest-
riction.
■
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 OpenCom 150 is equipped with the PCM2 port in order to realize cas-
cading of a third PBX with a future release. Use one of the two LAN0 ports, to
connect the OpenCom 150 to the Local Area Network.
■
The slave system cannot be addressed directly through a LAN. For configu-
ration, always use the Web console of the master system.
■
A memory card installed in the slave system (OpenVoice, OpenAttendant)
cannot be used.
■
To operate the slave system again normally, you must reset it to its factory set-
tings (refer to
Resetting the System Data
starting on page 84).
Summary of Contents for OpenCom 130
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