Rs-232 Interface - Russound A-C68 Installation Manual

RS232 CONNECTION
The RS232 port in the A-C68's front panel programming center is used for
firmware updates only. It supports controller firmware updates from a PC. The
RS232 COM port is located behind the removable front panel and uses a DB-9
cable connection.
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For firmware updates, be sure the CPU Update switch next to the the RS232
interface is set in the "Update" position.
For firmware updates, see the Document Center at www.russound.com. Look
for the Technical Documents under A-BUS Systems.
1 2 3 4 5 6 7 8
DB-9 cable
Russound A-C68 Installation Manual
DB-9 male
Pin 1
Pin 6