Overview
The PS-20 is a two-wire intercom power supply. The PS-20 features two- and four-channel operation, RTS® monitoring, two-channel program input, audio linking, and three-mode operation: RTS 2-channel, RTS 4-channel and Clear-Com® mode.
Specifications
- 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 ohm / 400 ohm
- 1.8 Amps maximum per channel
- Ripple: < 0.2 V
- Program Input Levels:
- Nominal +2 dBu
- Balanced, High Impedance >10 kohm
- Two-Wire Output Levels:
- Nominal 30 VDC
- Unbalanced, selectable 200 ohm / 400 ohm
- Monitor Output: Nominal Gain of 0 dB for 1000 m VRMSinput level on the program input. 30 VDC nominal, 100 mA maximum.
- Audio Link: Nominal input 2 dBu with a Gain of 0 dB