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8 RS-232 Control Port
This DB-9 connector has two purposes:
• downloading new operating software into your preamplifier
(should new features ever be added, for example)
• external control of your preamplifier by control systems such as
i-Command
™
, AMX
®
and Crestron
™
For more information, please contact your dealer and ask about home
automation systems.
9 Classé CAN Bus Control Ports
These RJ-45 connectors are reserved for future control and
communication applications using Classé Audio’s implementation of the
Controller Area Network (CAN) Bus specification.
10 IR Input and Output
Your Classé preamplifier includes two 1/8th-inch mini mono-jacks in
order to support the infrared (IR) remote controls that are ubiquitous
today. Infrared commands exist (for example) for
toggling the preamplifier
between operate
and standby, in addition to discrete command codes
for either operate or standby. These codes may be used in “macros” for
sophisticated remote control systems, facilitating the control of the
preamplifier in the larger context of a complete system.
The list of commands available is quite extensive, enabling even complex
macros (chains of commands strung together) to operate flawlessly. If this
capability is of interest to you, we strongly recommend discussing it with
your authorized Classé dealer.
Note that IR Input
and Output is a bit of a misnomer: the input and
output of these plugs is electrical in nature, not infrared. They are used
with standard IR receivers, distribution amplifiers, and emitters (available
from your dealer) to translate the remote’s IR signal to an electrical signal
and vice versa. The big advantages here include being able to easily route
the signals anywhere they might need to go and the reliability of a solid
electrical connection.
Since an IR distribution system such as your dealer may design for you
usually must control many products, your preamplifier includes both an
IR input (for the control of this product) and an IR output (so as to pass
along the same signal to the next product). This allows you to “daisy chain”
your control wires from one product to the next.
The preamplifier is designed to respond to IR commands of 5 Volts DC,
with the tip of the mini-plug defined to be positive relative to the shank of
the plug.