APPENDIX D: SPECIFICATIONS
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Serial Interface
Max Baud Rate Supported
ACU1006SRA and ACU1006DSRA:
1200, 9600 or 19200 Baud (user-selectable)
ACU1006VRA and ACU1006DVRA:
19.2K Baud
ACU1006SRA and
ACU1006DSRA
Serial Data Format:
Flow Control:
8 data bits, no parity, 1 stop bit
Hardware: Either RTS/CTS passed through or looped
back DTR/DSR passed through or looped back
or none (user-selectable)
Software: Transparent to software flow control
ACU1006VRA and
ACU1006DVRA
Serial Data Format:
Transparent
Signals Transferred:
TX, RX, RTS, CTS, DTR, DSR
Serial Connector
DB9 Female (DCE)
Audio Interface
Description
Bi-directional stereo audio link
Transmission method
Digitized virtually CD quality audio (16-bit, 38.4kHz)
Signal levels
Line level (4 Volts Pk-Pk maximum)
Input Impedance
47kΩ
Audio Connectors
2x3.5mm stereo jack socket (Line In & Line Out)
Microphone Support
Microphone may be connected to Remote Unit
Pullup resistor provides bias for condenser microphone
Option to set microphone amplification to +17dB
