Technical means of protecting speech information from leakage via optical-electronic (laser) channel "Sonata-AV4L"
Technical means of protecting speech information from leakage via optical-electronic (laser) channel "Sonata-AV4L" is designed to excite a vibration noise signal in the slats of window blinds. The product is part of the System of active acoustic and vibration protection of acoustic speech information "Sonata-AV" model 4B (hereinafter referred to as the System) and is certified as part of it. Sonata-AV4L Generator unit "AV-4L" Sonata-AV4L 1 Vibration exciter "SP-4L"
Technical characteristics of the Product The main technical characteristics of the Product are indicated in the Table. The characteristics not specified comply with the requirements of the FSTEC of Russia for active acoustic and vibration protection of acoustic speech information.
Parameter Value Operating frequency range, Hz 90 ... 11,200 Range of octave level adjustment, dB, not less than 6 1) Range of integral level adjustment, dB, not less than 10 Maximum number of connected vibration exciters, pcs. 36 2) Number of noise outputs, pcs. 2 Control interface ReBus-3 Power supply voltage, V 10 – 14 Current consumed by the generator unit "AV-4L" from the power line, mA, no more than 150 Types of indication: - directly on the generator unit "AV-4L" LED - on other elements of the System combined Overall dimensions, mm, no more than - generator unit "AV-4L" 96 x 71 x 24 - vibration exciter "SP-4L" diameter 48 height 14 Operating conditions: - ambient temperature from +5 to +40ºС - relative air humidity up to 80% at a temperature of +25ºС Main characteristics of the protected lamellas: - width x length (max) x thickness, mm 89 x 2000 x 0.25 3) - material painted metal - suspension vertical