Installation manual
PS Engineering 
PMA6000 Series Audio Selector Panel and Intercom System 
Installation Manual 
200-066-0100 Appendix F  Rev. 1, March 2005 
  Appendix G RTCA DO160B Environmental Qualification 
Form 
Audio Selector Panel/Intercom/Marker Beacon Receiver 
Part Number: 6000, 6000M, 6000MC 
FAA TSO Number: C50c, C35b Class A 
Manufacturer: PS Engineering Incorporated  9800 Martel Road  Lenoir City TN 37772   
Conditions Section Conducted Tests 
Temperature and Altitude 
Low Temperature 
High Temperature 
Altitude 
4.0 
4.5.1 
4.5.2 
4.6.1 
Equipment tested to CAT A1 
Equipment tested to CAT D1 
Temperature variation  5.0  Equipment tested to Category C 
Humidity  6.0  Equipment tested to Category A 
Shock 
Operational 
Crash Safety (Impulse) 
Crash Safety (Sustained) 
7.0 
7.2.1 
7.3.1 
7.3.2 
Equipment tested to DO-160B, Par 7.1.1 
Vibration  8.0  Equipment tested to Category M, Standard
Explosion  9.0  Category X, not tested 
Waterproofness  10.0  Category X, not tested 
Fluids Susceptibility  11.0  Category X, not tested 
Sand and Dust  12.0  Category X, not tested 
Fungus  13.0  Category X, not tested 
Salt Spray  14.0  Category X, not tested 
Magnetic Effect  15.0  Category X, not tested 
Power input  16.0  Equipment tested to Category B 
Voltage Spike  17.0  Equipment tested to Category B 
Audio Frequency Susceptibil-
ity 
18.0  Equipment tested to Category B 
Induced Frequency Suscepti-
bility 
19.0  Equipment tested to Category B 
Radio Frequency Susceptibil-
ity 
20.0  Equipment tested to Category A 
Radio Frequency Emission  21.0  Equipment tested to Category A 
Lightning Induced Transient  
Susceptibility 
22.0  Equipment not tested 










