Cisco Cisco 1 GHz GainStar Amplifier Guía De Instalación
Chapter 2 Installation and Configuration
The following diagram shows the position and the usage of the Signal Director and
the Directional Coupler.
A black dot is printed on the Signal Director and the Directional Coupler. The
position of this black dot determines the number of the active ports in the GainStar
Line Extender (See the enlarged part in the diagram above). If the black dot is at the
top-right corner, only the RF output Main is the active port. If the black dot is at the
bottom-left corner, both the RF output Main and RF output Aux are the active ports.
When installing the Signal Director and the Directional Coupler, the number of the
active RF output ports is decided by the user according to the specific application
requirement.
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