Bosch DCN Next Generation Instrukcja Użytkownika Strona 223

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DCN Next Generation Open Interface Release 2.4 Message Distribution
en | 223
Bosch Communications Systems | 2007 February | SRS_MDINF | Du090902
2. MESSAGE DISTRIBUTION FOR A REMOTE INTERFACE
2.1 Introduction
The Message Distribution Remote Interface is part of the DCN software which allows for another
controlling entity outside the CCU, not being the DCN Control PC, to use the Message
Distribution application.
2.2 Remote Message Distribution Control
The Message Distribution application provides a means of generating and distributing text
messages in a DCN environment.
The message can be distributed to the following destinations:
Delegates
Interpreters
Conference hall displays
The user can specify exactly which delegates or interpreters the message has to be distributed
to. If the message has to be distributed to more than one destination, for example delegates and
interpreters, it is sent to each destination in turn. More details on the complete MD application
can be found in [SRS_MD] and the user manual [USERDOC_MD].
Using MD with a remote interface is achieved by means of calling a defined set of Remote
Functions. The general concept of Remote Functions is described in [SRS_INF]. [SRS_INF] also
describes the protocol and hardware conditions concerning the remote interface.
Together with this remote interface, there are up to two locations in a full-connected CCU where
MD can be influenced. These locations are:
A remote controller (which can be the control PC) connected using an Ethernet (in case of
MCCU) or RS-232 (in case of SCCU) connection. This remote controller uses Remote
Function calls to configure Message Distribution.
Delegate units on which the auxiliary button is pressed, or interpreter desks on which the help
or speak slowly key is pressed.
To get a fully operational system the remote controller must register itself to the CCU, in order for
it to receive update messages from the CCU.
The remote controller must wait for the response of the remote function. After reception of the
response appropriate action should be taken upon the error code returned.
Events coming from a unit (delegate or interpreter) are processed and the CCU is updated. Some
of the events lead to update notifications. The notifications are sent on by the CCU to the remote
controller.
This document gives the set of MD Remote Functions and the set of Update Notifications
concerning Message Distribution. The relation between unit events and Update Notifications is
given in section 4.1.2.
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