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Page 10 IQ–AMB-5 / IQ–SMX-6
Reference Manual
AMB-5 / SMX-6 IQ Mixer/Multiplexer
3 Hardware Installation
The installation of an IQ mixer/multiplexer consists of
two major parts: installing the hardware and configur-
ing the software. This manual deals only with hardware
installation. Refer to the appropriate software docu-
mentation for instructions in setting up and operating
your IQ software.
Provide adequate cooling if the unit will be used in a
hot environment. It is good practice to allow one
empty rack space (1.75 inches or 4.4 cm.) between
each unit if more than four units will be stacked in a
cabinet. Each empty rack space should be sealed
with a blank rack panel.
The hardware installation is divided into 4 steps: 1)
connecting to a host computer 2) connecting to the
Crown Bus 3) connecting the audio inputs and outputs
and 4) connecting auxiliary devices
3.1 Connecting to a Host Computer (Step 1)
An IQ host computer is an IBM
®
PC-compatible com-
puter which is used is used to configure or control/
monitor part or all of an IQ System. Depending upon
the design of your IQ System, it may or may not require
a host computer during normal operation.
How the mixer/multiplexer will be used will determine
whether or not it will need to be connected directly to a
host computer. If the unit will be connected to the
Crown Bus it will not need to be connected directly to a
host computer. The following circumstances require
connection to a host computer:
• If a Crown Bus will not be used, the mixer/multi-
plexer will need to be connected to a host com-
puter so the software inside the unit can be
configured. Afterward, if manual control is not
required, the host computer can be discon-
nected.
• If the mixer/multiplexer must be configured be-
fore it is installed into an IQ System, it must be
connected directly to a host computer for con-
figuration. The onboard memory of the unit will
maintain its software configuration without it
being plugged into an AC source.
• If the mixer/multiplexer will be used as an IQ
interface for other IQ–AMB-5 or IQ–SMX-6 mix-
ers, it will need to be connected directly to a
host computer.
Figure 3.1 An IQ System with a Host Computer and Two Mixer/Multiplexers
ENABLEDSPI
ENABLE
CH1 CH2
ODEP
POWER
OFF
IOC
SPI
ENABLE
CH1 CH2
ODEP
POWER
OFF
IOC
SPI
ENABLE
CH1 CH2
ODEP
POWER
OFF
IOC
SPI
ENABLEDSPI
ENABLE
CH1 CH2
ODEP
POWER
OFF
IOC
SPI
ENABLE
CH1 CH2
ODEP
POWER
OFF
IOC
SPI
ENABLE
CH1 CH2
ODEP
POWER
OFF
IOC
SPI
CROWN BUS LOOP 1
CROWN BUS LOOP 2
RS232