Cisco Cisco 870 MHz GainMaker Amplifiers Guía De Instalación
Chapter 2 Installation and Configuration
16
Upgrading an Existing Housing Lid
The GainMaker System Amplifier has a new style housing lid that allows easier
access to the amplifier power supply. If you are replacing an earlier amplifier module
(SA II, SA II+, or SA III) with a GainMaker amplifier, you will have to replace the
existing housing lid with a newer housing lid to accommodate the power supply for
the amplifier module.
access to the amplifier power supply. If you are replacing an earlier amplifier module
(SA II, SA II+, or SA III) with a GainMaker amplifier, you will have to replace the
existing housing lid with a newer housing lid to accommodate the power supply for
the amplifier module.
To Install the New Housing Lid
Complete the following steps to upgrade amplifier housing with the newest housing
lid.
lid.
CAUTION:
RF connectors and housing seizure assemblies can be damaged if AC shunt
power directors are not removed from the amplifier before installing or
removing the amplifier module from the housing.
RF connectors and housing seizure assemblies can be damaged if AC shunt
power directors are not removed from the amplifier before installing or
removing the amplifier module from the housing.
WARNING:
Before starting this procedure in an aerial or strand mounted application, be
sure to clear the area below the housing of all people, and if possible, property.
Before starting this procedure in an aerial or strand mounted application, be
sure to clear the area below the housing of all people, and if possible, property.
CAUTION:
In an aerial or strand mounted application, you will need to take steps to
ensure that the housing lid does not fall to the ground. See the following
recommended procedure.
ensure that the housing lid does not fall to the ground. See the following
recommended procedure.
1 Use a torque wrench to loosen the housing closure bolts on the housing lid.
2 Firmly grasp the housing lid and open it carefully.
3 Using a screwdriver, remove the hinge screw from the housing hinge. The
3 Using a screwdriver, remove the hinge screw from the housing hinge. The
housing lid will now swivel completely open, allowing it to be removed from the
housing base.
housing base.
Important: Place the old housing lid in a safe place until it can be disposed of
properly.
properly.