Specifications

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11
SS 4.1 MLR Installation and Operation Manual
SPECIFICATIONS
SPECIFICATIONS
Inputs/Outputs: Any input level and impedance can be used. Inputs may be
balanced or unbalanced. Output levels, impedance, distortion,
noise and balancing will match that of the selected input.
Switching Method: Passive. Mechanical latching sealed relays utilizing 2-form-C
bifurcated-crossbar silver alloy with gold overlay contacts.
Logic: Flash microprocessor with non-volatile memory.
Operation Control: Front Panel - Momentary switches.
Remote - Momentary or sustained, compatible with 5 volts
CMOS/TTL logic, open collector or contact closures to ground.
Serial - Multi-drop RS-232, 2400, 9600, 19200, 38400 8,N,1.
Status: Front Panel - LED Indicators.
Remote – Four channel open collector status outputs. One
SPST Silence Sense relay. 1-amp 30 vdc maximum. Refer to
the fractional schematic and/or text on the rear panel for con-
nection details.
Interfacing: I/O and Remote control - Rear panel pluggable screw termi-
nals. Mating connectors supplied.
RS-232 - (RJ-11) Reversed modular cable/female “S9” 9-pin
D-Sub adapter supplied.
Power Requirements: 7.5 to 12 VDC @ >500 ma. Universal switching power supply
with domestic connector supplied. International connectors
optional.
Physical Dimensions: 5.65” x 7.10” x 1.575” (WDH)
Weight: 2.0 lb.
Shipping Weight: 3.0 lb.
Options: RA-1 rack shelf, holds three units
(1-RU) / Filler panels supplied.
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