Intertel 3000 Expansion Modules

Add a Back Plane that initially connects to an existing Intertel 3000 Phone System Control Unit that in turn expansion modules can be mounted to.

The Intertel 3000 control unit comes pre-configured for 0 lines in X 8 phones and has the capacity to grow to 4 lines in X 8 phones with the addition...

Add the capability of adding 8 station ports to an existing Intertel 3000 Phone System plus 2) 2-port CO Line Modules Max expansion is 8 phones X 4...