Cisco Cisco 1 GHz GainMaker Amplifier Guía De Instalación
Chapter 3 Balancing and Setup
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2 Switch the AGC to THERMAL.
3 Record the RF output levels.
3 Record the RF output levels.
Note: The trim network location is labeled SYS TRIM on the module cover.
Refer to the following illustration.
Refer to the following illustration.
4 Remove the jumper from the system trim location.
5 Install the trim network into the system trim slot.
5 Install the trim network into the system trim slot.
Note:
Be sure that all pins on the system trim bottom align with the pin holes in the
system trim slot, so the system trim installs flat against the line extender
module.
system trim slot, so the system trim installs flat against the line extender
module.
Make sure the components face the outside of the station. See the preceding
diagram for proper positioning.
diagram for proper positioning.
6 After tuning the trim network for proper response, measure the RF output level.
7 Change the interstage pad or input pad to obtain the same RF output level as
7 Change the interstage pad or input pad to obtain the same RF output level as
noted in step 3.
8 Switch the AGC module to AUTO.
9 Reset the AGC for proper output levels.
10 Close the line extender housing. Refer to To Close the Line Extender Housing (on
9 Reset the AGC for proper output levels.
10 Close the line extender housing. Refer to To Close the Line Extender Housing (on