26
RS232 SERIAL CONTROL
All keypad and remote control operations can be performed by a computer connected to
the Master Controller/Amplifier using an RS232 connection. The communications standard
uses:
Baud Rate: 9600, 8, N, 1
DB9 Connector Pinout Tx, Rx, GND
'CR': Carriage Return (0x0D)
No case capitalization/lowercase
Control order structure <xxPPuu'CR' Reply control order frame >
For xxPPuu'CR':
xx: stands for control object code
10: All Zones of Main unit 1.
20: All Zones of Main unit 2.
30: All Zones of Main unit 3.
11: Zone1 of Main unit 1.
12: Zone2 of Main unit 1.
13: Zone3 of Main unit 1.
PP: Stands for control action code.
PR: Power control
PR00: Power off
PR01: Power on
MU: Mute control
MU00: Mute off
MU01: Mute on
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