CTI Products TSAM Transmitter Steering & Audio Matrix - Manual (Page 80)

TSAM Installation and Maintenance Rev. 2.10 Chapter 9
CTI Products, Inc. Hardware Specification
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9. Hardware Specification
9.1 Audio Input/Output Electrical Specifications
9.1.1 Power Requirements
Parameter Min Max Units
Input Voltage 20
18 30
24 Volts DC Volts
AC
Input Current 1.2 Amp
Input Power 24 Watts
9.1.2 Audio Inputs
Input level (600 Ω ref.)
(Balanced)
(jumper selectable)
-32 to -18 dBm (low range)
-20 to -6 dBm (middle range)
-8 to +6 dBm (high range)
Impedance 600 Ω nominal (terminated)
10K Ω nominal (bridging)
All input levels are individually adjustable with pots.
9.1.3 Audio Outputs
Output level (600 Ω ref.)
(Balanced)
-20 to +3 dBm, adjustable
Impedance 600 Ω nominal
All output levels are individually adjustable with pots.
9.1.4 Audio Quality
Frequency Response 300 - 3200 Hz +/- 2 dB
Hum and Noise 50 dB below rated output
Distortion less than 2 percent
Crosstalk 55 dB below rated output
9.2 Control Signal Input/Output Electrical Specifications
9.2.1 All Control Signals EXCEPT "Console 1,2 PTT Out"
Parameter Min Max Units
Input Hi level voltage 9 30 Volts
Input Low level voltage 0 2.5 Volts
Input High level current 0.50 mA
Input Low level current 2.0 mA
Output High level voltage
(open collector) 30 volts
Output Low level voltage 0.55 Volts
Output Low level current 100 mA