User manual

7
Installation
Mechanical Installation
The PS-20 Power Supply can be rack mounted or used free standing. For rack configurations, see Figure 7, “Rack Mount
Configurations for the PS-20.,” on page 13. Allow room for cable connections.
Electrical Installation
Connecting Intercom Stations
NOTE: When connecting intercom stations, do not exceed the power supply capacity, either for channel 1, channel 2 or
both. Power supply capacity is graphically illustrated in Figure 3 on page 9.
Connect intercom channels to the output connectors on the rear panel, see Figure 8, “Configuration Diagrams,” on page 14
Using Two (2) PS-20s and Audio Linking 2-way communications
When using the Audio Linking configuration, you can connect two (2) PS-20s, to double the load capacity of a channel so
more user stations can be added.
Pin out assignments are as follows:.
Input 1/4” Stereo Phono Jack
Link 1/2 Tip: Channel 1
Ring: Channel 2
Sleeve: Ground
Output 1/4” Stereo Phono Jack
Link 3/4 Tip: Channel 3
Ring: Channel 4
Sleeve: Ground