Cisco Cisco 1 GHz GainMaker Amplifier Guía De Instalación
4024825 Rev C
7
Upgrading the RF Split in the GainMaker Line Extender
12 Configure the line extender in the same configuration as the one it is intended to
replace in the field (i.e., same attenuator pads, forward/reverse EQ values, and
same AGC / Thermal / Manual setting).
same AGC / Thermal / Manual setting).
13 All S parameters on each port in the forward and reverse band should be verified
using a network analyzer.
CAUTION:
Modifying an amplifier's split characteristics will impact the available
channel lineup downstream from the upgraded amplifier.
channel lineup downstream from the upgraded amplifier.
Note: Properly dispose of all parts you remove to protect the environment and
to avoid their re-use, which could impact network performance.
to avoid their re-use, which could impact network performance.
Installing the Amplifier Module in the Housing
1 Insert the upgraded line extender amplifier module into the housing.
2 Secure the amplifier module to the housing by tightening the module retainer
1 Insert the upgraded line extender amplifier module into the housing.
2 Secure the amplifier module to the housing by tightening the module retainer
screws with a screwdriver from 6 in-lb to 9 in-lb (0.7 Nm to 1.0 Nm).
3 Inspect the housing gasket and all mating surfaces. Wipe off any excess dirt and
debris.
4 Close the housing and finger-tighten all closure bolts.
5 Use a torque wrench with a ½-inch socket to tighten each closure bolt from 5 ft-lb
5 Use a torque wrench with a ½-inch socket to tighten each closure bolt from 5 ft-lb
to 12 ft-lb (6.8 Nm to 16.3 Nm) each.
6 Follow the numbered tightening sequence to tighten the closure bolts.