Crown FMX250 User Manual download pdf (Page 15)

2–7

Installation

Illustration 2-9 Output Combiner Mounting recommendation

5) Locate and mount the combiner assembly, including the directional 

coupler, in a location so that the RF input connectors on the combiner are 

in close proximity to the RF output connectors of each of the PA's. See 

Illustration 2-9 for a suggested mounting technique and location.

6) Locate the RF Output cables (labeled 200797-CBL) and attach one end to 

the RF output connector on the back of each PA. Do not tighten the 

connectors at this point. Attach the other ends to the Combiner as shown in 

Illustration 2-9. Tighten both ends of the cables at this time.

7) Locate the DB-9 connector on the end of the Directional Coupler and 

connect it to the DB-9 port labeled 'Directional Coupler' on the back of the 

Transmitter Controller as shown in Illustration 2-10.

Illustration 2-10 Directional Coupler port and directional coupler

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Crown FMX250 User Manual Page 15