RTS DSI 2008, Инструкция пользователя

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DSI-2008 Installation 17
Bosch Security Systems, Inc. User Manual F.01U.193.295 Rev. 05
2-Wire Call Signal
Call Signal Connections for Audiocom and RTS TW
The call signals are superimposed on the audio signal, so no separate call signal connections are required.
Call Signal Connections for Other 2-Wire Communication Systems
Any other 2-wire device must be able to generate and receive a 20kHz signal superimposed on the audio as follows:
DSI 2008 Signal Specifications for balanced configuration:
DSI 2008 Receive: 20kHz ±100Hz, 100mV
RMS
DSI 2008 Send: 20kHz ±800Hz, 500mV
RMS
±10%
,
DSI 2008 Signal Specifications for unbalanced configuration:
DSI 2008 Receive: 20kHz ±100Hz, 100mV
RMS
DSI 2008 Send: 20kHz ±800Hz, 350mV
RMS,
±10%
Balanced Audio Configuration
Pin 1 No Connection
Pin 2 Balanced 20 kHz + Input/Output
Pin 3 Balanced 20 kHz - Input/Output
Unbalanced Configuration 1
Pin 1 20kHz Common
Pin 2 20kHz Input/Output
Pin 3 No Connection
Unbalanced Configuration 2
Pin 1 20kHz Common
Pin 2 No Connection
Pin 3 20kHz Input/Output