Expansion Stages and System Capacity
Note:
• To configure VoIP channels on the DSP chip of a DSP module, make sure the VoIP mode
parameter in the Media resources view is not set to No VoIP. The setting is valid for all the DSP
chips of a node. The G.711 VoIP channels of the mainboard can be combined with G.711 VoIP
channels of DSP modules.
• FoIP channels can only be configured on one DSP chip per node.
• The system has to be restarted for the configuration changes of the DSP to take effect.
• After a first start all the DSP chips are configured on DECT.
3.3.2 Interface cards
Interface cards can be assigned to two categories:
• Trunk cards
These cards provide interfaces for connection to public dial-up networks or for networking systems to
create a private telephony network.
• Terminal cards
These cards provide interfaces for connecting digital and analogue voice and data terminals.
On some cards some of the interfaces are configurable (BRI-S/T). This means that these cards cannot be
clearly assigned to any particular category. They are listed both among the trunk cards and the terminal
cards.
Interface cards are fitted into slots IC1...IC4 (see Interfaces, display and control elements on page 40).
The interfaces are routed to the front panel using the wiring adapters (see Wiring adapter).
The length varies depending on the type of interface card. For precise dimensions see the Chapter
Technical data.
Figure 6: Design of the interface cards
Release 7.1
53 System Manual for Mitel SMB Controller
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