Power Supply Specification Sheet

PS-20 Specications
General
Input Voltage: 90 to 264 VAC, 50 to 60 Hz
Output Voltage: 28 VDC to 32 VDC
Output Current: 2.00 Amps Maximum per channel
Termination Impedance: Selectable 200 Ω / 400 Ω
1.8 Amps maximum per channel
Ripple: < 0.2 V
Program Input Levels:
Nominal +2 dBu
Balanced, High Impedance >10 kΩ
Two-Wire Output Levels:
Nominal 30 VDC
Unbalanced, selectable 200 Ω / 400 Ω
Monitor Output:
Nominal Gain of 0 dB for 1000 mVRMS input level on
the program input. 30 VDC nominal, 100 mA maximum.
Audio Link: Nominal input 2 dBu with a Gain of 0 dB
Connections
Type: 3-pin XLR male (RTS 2-channel Mode)
Pin 1 Common for Audio and DC
Pin 2 30 VDC and Mixed Audio Channel 1
Pin 3 30 VDC and Mixed Audio Channel 2
Type: 3-pin XLR male (RTS 4-channel Mode)
Pin 1 Common for Audio and DC
Pin 2 30 VDC and Mixed Audio Channel 1 or 3
Pin 3 Mixed Audio Channel 2 or 4
Type: 3-pin XLR male (Clear-Com Mode)
Pin 1 Common for Audio
Pin 2 30 VDC
Pin 3 Mixed Audio Channel 1 or 2
Program Input
Type: 3-pin XLR female
Pin 1 Common
Pin 2 Balanced Audio + Input
Pin 3 Balanced Audio - Input
Audio Link
Input ¼” Stereo Phono Jack
Tip: CH1
Ring: CH2
Sleeve: Ground
Output ¼” Stereo Phono Jack
Tip: CH3
Ring: CH4
Sleeve: Ground
AC Input
Type: Universal AC Plug
Pin 1 Hot
Pin 2 Neutral
Pin 3 Earth Ground
Monitor Output
Type: 3-pin XLR male (RTS 2-channel Mode)
Pin 1 Common for Audio and DC
Pin 2 30 VDC and Mixed Audio Channel 1
Pin 3 30 VDC and Mixed Audio Channel 2
Type: 3-pin XLR male (RTS 4-channel Mode)
Pin 1 Common for Audio and DC
Pin 2 30 VDC and Mixed Audio Channel 1
Pin 3 Mixed Audio Channel 2
Type: 3-pin XLR male (Clear-Com Mode)
Pin 1 Common for Audio
Pin 2 30 VDC
Pin 3 Mixed Audio Channel 1 or 2
Environmental
Operating Temperature: 0° C - 50° C (32° F to 122 ° F)
Storage: -40° C to 70° C (-40° F to 158° F)
Humidity: 0 to 95%, non-condensing
Dimensions and Finish
Height: 1.72” (44 mm) - 1 RU
Width” 8.186” (207.9 mm)
Weight: Under 5lbs.
Finish: Thermoplastic front panel, Aluminum case, RTS
light gray paint - black silkscreen.
Mounting: MCP Style rack kit or (included rubber
adhesive feet).
Ordering Information
PS-20
Power Supply
Catalog Number:
90007854000 US Power Cord
90007854100 Euro Power Cord
90007854200 UK Power Cord
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: [phone]
Fax: [phone]
Form Number: LIT000055000
Date: July, 2007