Features
10
■ You can use an additional insertable memory card (CompactFlash) to operate
further program packages, viz. the OpenVoice and OpenAttendant digital
voice memory and voice information systems.
■ The special interface card M100-AT4 enables connecting analogue exchange
lines. Additional information can be found in the user manual “M100-AT4
Interface Card”.
■ The additional S
2M
connector module allows you to operate an OpenCom 130/
150 on a primary rate access.
Cascading
Using the expansion module, the OpenCom 130 can be cascaded with a second
OpenCom 130 communications system. An Ethernet switch on the expansion
module further enables applications featuring media convergence, such as the
operation of a VoIP interface card M100-IP.
It is possible to cascade two OpenCom 150 (rack version) units. Two ports of the
Ethernet switch residing on the main module can be used externally. Two other
ports are available for internal use with interface cards.
With the OpenCom 131 no PBX cascading with another system is possible.
However, PBX networking with a second infocom system is possible.
Further information regarding these configuration options can be found in the
chapters PBX Cascading starting on page 122 and PBX Networking starting on
page 127.
Telephony
The OpenCom 100 communications system is designed to be connected to an
ISDN basic access using the DSS1 protocol. System access (point-to-point) and
multi-terminal access (point-to-multipoint) are both supported. The two forms of
access can be configured in parallel.
For this purpose
■ the OpenCom 131 includes two S
0
ports (one external one and one that can be
switched between internal/external),
■ the OpenCom 130 basic module includes two S
0
ports (one external one and
one that can be switched between internal/external),
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