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Digital Audio Processor Crestron C2N-DAP8

42 • Digital Audio Processor: C2N-DAP8 Operations Guide - DOC. 8186

view the individual slots; then drag the desired symbol to Detail View. The C2N-

DAP8 slots, sub-slots, and corresponding symbols are described in the following

paragraphs. Because of their complexity, the description of the symbols for the

Surround Sound Decoder symbol, Slot 08; the Speaker Settings symbol, Slot 09 Sub-

Slot 1; the Full Parametric EQ Controls symbol, Slot 09 Sub-Slot 2; and the Graphic

EQ Controls symbol, Slot 09 Sub-Slot 3, are described in the Appendix “Advanced

Programming Symbols,” beginning on page 52, for those advanced programmers

who wish to program them in SIMPL Windows.

Slot 04: Built-in RS-232 Port

This port serves two purposes: an RS-232 port for two-way communication with

serial devices, and a console port for upgrading firmware. (Refer to “Uploading and

Upgrading” on page 45.)

The symbol, shown below, is only used when the C2N-DAP8 communicates with a

serial device. The bidirectional port supports baud rates up to 115K baud N81 and

has RTS/CTS handshake signals. The tables below list the inputs/outputs and their

functional description. Input and outputs enclosed by brackets ([…]) are optional.

Two-Way Serial Driver Symbol

Built-in RS-232 Symbol Input Descriptions

INPUT(S) FUNCTION(S)

[tx$] More advanced signal processing can be done through serial strings and

the tx$ input line on the symbol.

[enable] If signal is present on this input, it must be high to permit activity of the

symbol. If the signal is low, the symbol is disabled.

[break] Some devices use a break character before sending out any serial data.

Break characters are sent out the port separated pace parameter.

[rts] RTS is an output from the program to the C2N-DAP8 RS-232 port when the

state of the RTS line is set.

str1 The C2N-DAP8 RS-232 port is capable of receiving complex serial data in

the form of serial data strings on this input line.

Built-in RS-232 Symbol Output Descriptions

OUTPUT(S) FUNCTION(S)

[rx$] More advanced signal processing can be done through serial strings and

the rx$ output line on the symbol.

[cts] CTS is an input to the program that monitors the “Clear to Send” line status

of the C2N-DAP8 RS-232 port.

str2 The C2N-DAP8 RS-232 port is capable of sending complex serial data in

the form of serial data strings on this output line.

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