Installation Manual Manual

PS Engineering
PMA7000CD- Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-790-0010 Page 1-3 Revision 10, September 2005
1.5 SPECIFICATIONS
TSO COMPLIANCE
Marker Beacon: C35d, Class A
Audio Selector/Intercom: C50c, Class A
APPLICABLE DOCUMENTS: RTCA/DO-214 RTCA/DO-143 RTCA/DO-160C
RTCA/DO-178B
ENVIRONMENTAL Qualifications:
A1D1/CA(MN)XXXXXXBBBBTBKXX
Operating Temperature Range: -15º C to 55ºC
Altitude: Up to 50,000 feet in an non-pressurized area
DIMENSIONS: Height: 1.3 in. (3.3 cm) Width: 6.25 in. (16.9 cm)
Depth: 6.8 in. (17.3 cm)
WEIGHT (With Rack & Connectors): 1.5 lb. (0.54 kg)
POWER REQUIREMENTS (Including Internal Lighting):
Voltage: 11 to 33 VDC
Maximum Current: 2.5 Amp (Externally protected by a 3A pull-type
breaker)
Audio Selector Specifications
Audio selector panel input impedance:
510 Ω
Input Isolation: -60 dB (min.)
Speaker Muting: -60 dB (min.)
Speaker Output (into 4 Ω) with no clipping
14 VDC:
28 VDC:
3 Watts (min.)
10 Watts (min.)
Receiver Inputs: 9 (Com 1, Com 2, Com 3, Nav 1, Nav 2, ADF,
DME, MKR, AUX)
Unswitched Inputs: 4
Transmitter Selections: 6 (Com 1, Com 2, Com 3
Com1/2, Com1/3, Duplex Telephone)
Speaker Impedance:
4 Ω
Headphone Impedance:
150 – 1000 Ω
Headphone Output: 38 mW each headset, no clipping <1% THD
Microphone Impedance:
150 - 600 Ω
Intercom Specifications
Intercom Positions: 6 places (with individual IntelliVox® circuits)
Music Inputs: 2 (Stereo)
Music Muting: >-30 dB "Soft Mute" when Com or intercom active.
Distortion:
<1% THD @ 38 mW into 150Ω
Mic Freq. Response, 3 dB: 300 Hz - 6000 Hz
Music Freq. Response, 3 dB: 20 Hz - 18kHz
MARKER BEACON RECEIVER:PMA7000MS-CD only
Frequency: 75 MHz Crystal Controlled
Sensitivity:
Low:
High:
Capable of: (preset at factory for field application)
1000 µVolts (Hard) (360 to 570 µV soft)
200 µVolts (Hard) (130 to 200 µV soft)
Selectivity: -6 dB at ±10 kHz
-40 dB at ±120 kHz
External Lamp Output: 7.5 (±4 VDC unloaded, at maximum brightness) VDC
positive when active, max. current 125 mA
MM Sense: Active high (4.5 ± 1.0VDC)