
DCN Next Generation Open Interface Release 2.4 General
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Bosch Communications Systems | 2007 February | SRS_INF | Du010933
SM Synoptic Microphone Control
ST Startup DCN Next Generation
VD Video Display
VT Voting application
TCP Transmission Control Protocol
IP Internet Protocol
UTP Unshielded Twisted Pair
STP Shielded Twisted Pair
Definition RS-232 signals
CD Carrier Detect
Rx Received Data
Tx Transmitted Data
DTR Data Terminal Ready
GND signal Ground
DSR Data Set Ready
RTS Request To Send
CTS Clear To Send
RI Ring Indicator
Definition ASCII characters used
CR Carriage Return ASCII character (value 0x0D)
ESC Escape ASCII character (value 0x1B)
‘$’ Dollar sign (value 0x24)
‘?’ Question mark (value 0x2F)
‘#’ Number symbol (value 0x23)
‘@’ At character (value 0x40)
1.3 References
SRS_MMINF MM Remote Interface Description Du020903
SRS_VTINF VT Remote Interface Description Du040905
SRS_SCSIINF SC and SI Remote Interface Description Du010934
This document should be referenced as [SRS_INF].
1.4 Overview
Chapter 2 describes the general system setup to control the CCU using third party hardware.
This chapter mainly handles the hardware aspects of the interface.
Chapter 3 describes the format of the data message exchanged between the remote
controller and the CCU.
Chapter 4 describes the two protocols, which can be used for communication between the
remote controller and the CCU.
Chapter 5 describes how the remote functions are handled within the CCU. This can result in
specific errors, which are independent of the purpose of the remote function.
Appendix A gives an overview of the configuration settings for the protocol and the serial
communication port.
Appendix B gives an overview of the constants used in combination with the remote functions
described in this document.
Appendix C gives an overview of the possible general errors, which could be returned upon a
remote function.
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