unit. Power can be provided by the con- nected intercom circuits or by way of an external source of 24 volts DC. The final step to achieve correct performance is for the auto null function on each Model 45 to be activated. Refer to Figure 9 for details.
Figure 9. Two Model 45 units connected as a universal 2-wire-to-2-wire bridge
Issue Preliminary 2, March 2009 | Model 45 User Guide |
Page 26 | Studio Technologies, Inc. |
