10
•
MUTE
port: The
MUTE
connector makes it possible to connect a power free contact
to totally silence the CA40 if an external device works on it (example: a
emergencies and centralised evacuation warning system).
•
RS-232
port: the serial communication port
RS-232
allows remote management
of the CA40 from a computer or external control system supporting this protocol.
See the
CA-NET
protocol manual for detailed information on the connection and
syntax of the commands supported. The connection has the following
specifications:
o
Baud rate: 9600 (fixed, without auto negotiation)
o
Data bits: 8
o
Parity: None
o
Stop bits: 1
o
Flow control: None
•
Receiver
IR
: the built-in IR receiver gives general volume control of the CA40 and
its
MUTE ON /
OFF
function from the
REVO-IR
remote control included with the
unit.
WIRING RS-232
–
DB9
RS-232 CA40
DB9
Tx
Pin 2 (RxD)
Rx
Pin 3 (TxD)
Gnd
Pin 5 (Signal Gnd)
