RTS PS-31 Power Supply User Manual


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PS-31 Specications
Channels
Three
Connectors
Six XLR-3 type connectors (two channel)
Three XLR-4 type connectors (three channel)
One XLR-3 type connector (program input)
DC Output Voltage (each channel)
32 volts nominal
Line Terminating Impedance (each channel)
200 Ω switchable to 400 Ω when operating two supplies
in parallel
Output Current Ratings
Max before fault indication: 1.5 amps
Sustained overload 50°C ambient: 20 amps
Max before foldBack limiting: 2.5 amps
Short circuit current: 0.5 amps
Startup current: 0.5 amps
Max Total Sustained Current (50°C ambient)
2.0 amps
Intercom Audio
Level: 2 volts pp nominal
Head Room: 6 dB minimum
Frequency Response: 75 Hz to 20 kHz (-3 dB) unloaded
Signal to Noise and Hum Ratio (Ref to 2 V pp)
-60 dB
Program Input
Balanced or unbalanced, transformer isolated, program
assignable to channels 1-3
Program Input Sensitivity
28 dBm to +14 dBm (Ref. 600 Ω) for 2 volts pp on RTS
line
Program Input Impedance
10,000 Ω
Program Frequency Response (-3dB)
100 Hz to 20 kHz input to RTS line.
Indicators
Channel Status: three green LEDs
Channel Fault: one red LED and one audible alarm
Thermal Overload: one red Neon type
Switches
One program channel assign switch; one audible alert
on/off switch; one power switch; three 200/400 Ω imped-
ance select switches
Temperature
0 to 50°C operating; 0 to 75°C storage
Power Requirements
Voltage: 100, 120, 200, or 40 VAC, 50/60 Hz versions
available
Power: 100 volt-amps
Fuses
AC panel fuse: 100/120 volts-3A slow blow; 200, 240
volts - 1.5A slow blow
Internal DC fuses (each channel): 6A fast blow
Dimensions
3.5” (89 mm) high, 19” (483 mm) wide, 10.5” (267 mm)
deep
Weight
14.5 pounds (6.6 kg)
Ordering Information
PS-31
3 amp power supply for 30 stations
Catalog Number: 9000323300
This specications information is preliminary and is subject to change without notication.
Brand names mentioned are the property of their respective companies.
Contact Information
Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, Minnesota 55337
Telephone: (800) 392-0498
Fax: (800) 323-0498
Form Number: 38110502
Date: March, 2006
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