User manual

8
Program Inputs
A program source may be connected to the PROGRAM INPUT connector on the rear panel. Pin assignments are as follows:
Pin 1 = common/ground
Pin 2 = balanced audio +input
Pin 3 = balanced audio -input
To connect an unbalanced program source, do the following:
1. Connect pin 3 to pin 1.
2. Connect program ground to pin 1 and program + to pin 2.
AC Power
Plug the AC power cord into the PS-20 and into an AC mains outlet.
NOTE: The PS-20 is capable to run at 90 to 240 VAC, therefore, operation at 100-110 volts or 200-220 volts does not require
any modification or change. Refer to “Maintenance” on page 16.
FIGURE 2. Audio Linking Two-way communication configuration.