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IQ-USM 810
IQ Digital Processor / Digital Mixer
IQ-USM 810
Reference Manual
5.2 Specifications
General
Front Panel Controls:
Front-panel switches select
IQ Address, Baud Rate, and any of 32 user-defined
presets (P01–P32).
Rear-Panel Controls:
A 3-position selector switch
(mic/line/phantom) and a calibrated gain control for
each input.
Connectors:
IQ Bus: RJ-45 for input/output, RJ-45 for
daisy output, RS232: DB9F computer interface for
both component and interface modes. Multi-function
Port: DB37M for analog inputs, digital inputs, digital
outputs, +5VDC, +10VDC and Ground. Audio Inputs
and Outputs: 3-pin male removable barrier block con-
nectors, Buchanan
®
type cable connector or equiva-
lent supplied. AC Power: IEC320 connector for AC
power cord.
Display
:
A blue front-panel Enable indicator lights to
show that the unit is plugged in and AC power is being
supplied. An amber front-panel Data Signal Presence
Indicator (DATA) flashes whenever commands ad-
dressed to the IQ-USM 810 are received. A green front-
panel Interface indicator lights when the IQ-USM 810 is
being used as system interface. A three-segment digi-
tal display indicates the IQ-USM 810's initialization se-
quence by displaying each processor's name as it
comes online, indicates the presently selected preset,
indicates the IQ address and baud rate while those
parameters are being adjusted, indicates when a pa-
rameter has been stored in flash memory, and when
any parameter is varied from its value within the cur-
rently selected preset. Ladder Display: A front panel,
sixteen-segment LED display matrix can be set to three
different operating modes: Level Meter, Gate Status,
and Infinity Pattern.
Power Requirements:
100VAC to 240VAC, 35VA
nominal.
Protection:
if communication is lost, the unit will con-
tinue to function with the last commands received.
RS232 Data Communication
Baud Rate:
Selectable to 19.2 K, 38.4 K, 57.6 K, or
115.2 K BAUD.
Data Format:
Serial, binary, asynchronous; 1 start bit;
1 stop bit; 8 data bits; no parity.
IQ Bus Data Communication
Data Rate:
38.4 K BAUD.
Data Format:
Serial, binary, asynchronous; 1 start bit;
1 stop bit; 8 data bits; no parity.
IQ Bus Interface Type:
Optically isolated 20 mA cur-
rent loop.
Operation:
Half-duplex.
Transmission Distance:
Variable from 200 to 3000
feet (61 to 914 meters)., depending upon wire capaci-
tance. Typically 1000 feet (305 meters) using shielded
twisted-pair wire, #26 AWG or larger. Can be extended
with an
IQ Repeater.
Audio
Phantom Voltage:
+24VDC at 10 mA.
Input Gain Range:
+20 dB to –12 dB.
Digital Sampling:
24 bit, 48 kHz.
Input Impedance:
20 kohms balanced, 10 kohms un-
balanced.
Dynamic Range:
Greater than 100 dB (A-weighted,
20 Hz–20 KHz).
Frequency Response:
± 0.5 dB, 20 Hz–20 kHz.
Common Mode Rejection:
50 dB (typical).
Crosstalk:
Greater than 80 dB at 10 kHz.
Total Harmonic Distortion:
Less than 0.05% THD + N
(1 kHz, 0 dBu).
Output Impedance:
100 ohms balanced, 50 ohms
unbalanced.
Max Input Level:
+32 dBu (line) or +7 dBu (mic).
Max Output Level:
+20 dBu.
Control Port
Power Supply:
+5VDC and +10VDC outputs are pro-
vided. The total output current is limited to 1A.
Outputs
Outputs
Outputs
Outputs
Outputs
Logic Low:
less than 0.1V
Logic High:
10V (via internal pull-up)
Output Current is limited to 10ma max per pin.
Inputs
Inputs
Inputs
Inputs
Inputs
Input Impedance:
greater than 50kohm
Logic Low:
less than 0.5V
Logic High:
greater than 5V
Analog Range:
0 to 10V (for inputs 9-16 only)
Max Input Voltage:
25V
Mechanical
Weight:
13 pounds, 4 ounces (6.1 kg).
Dimensions:
19-inch (483-cm) standard rack mount
width (EIA RS-310-B), 16-inch (40.6-cm) depth behind
mounting surface, and 3.5-inches (8.9-cm) height.
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