PS-31 Specifications
Channels
Three
Connectors
Six
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
Signal to Noise and Hum Ratio (Ref to 2 V pp)
Program Input
Balanced or unbalanced, transformer isolated, program assignable to channels
Contact Information
Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, Minnesota 55337
Telephone: (800)
Fax: (800)
Form Number: 38110502
Date: March, 2006
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
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
Fuses
AC panel fuse: 100/120
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 specifications information is preliminary and is subject to change without notification.
Brand names mentioned are the property of their respective companies.
