EMMLabs DAC2 User Manual download pdf (Page 16)

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Appendix A - Serial Remote Control (RS232)

DAC2 AUDIO CONVERTER OWNER’S MANUAL

Serial Remote Control (RS232)

e DAC2 is equipped with a 9-pin RS232 port for system remote control via a serial cable

(not provided by EMM Labs). Please use a standard RS232 cable. Do not use a null model

cable, as this will not work. RS232 communication port settings:

• 19,200 baud

• 8 bits

• 1 stop bit

• no ow control

• no parity bit

Commands to the DAC2

All commands sent to the DAC2 consist of 3 ASCII characters (all lowercase) followed by a

carraige return or <CR>. Repeating a <CR> will repeat the last command sent. Received

commands are not stored in a stack. ey need to be sent in intervals of at least 50ms to

allow enough time for the DAC2 to execute a command before receiving the next one.

Command Function

pol Toggles the analog output polarity

mut Mutes the outputs

emm Selects the EMM Optilink input

aes Selects AES/EBU format PCM digital audio via XLR

cox Selects SPDIF format PCM digital audio via coax/RCA connector

to1 Selects TOSLINK format PCM digital audio via TOS1 connector

to2 Selects TOSLINK format PCM digital audio via TOS2 connector

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EMMLabs DAC2 User Manual Page 16