Cisco Cisco 1 GHz GainMaker Amplifier Guía De Instalación
Chapter 2 Installation and Configuration
28
To Replace the Crowbar Surge Protector
Note: The crowbar surge protector is installed in factory. This procedure is to replace
it on site.
it on site.
Complete the following steps to install the crowbar surge protector in the amplifier.
1 Begin this procedure with the housing open. Refer to To Open the Amplifier
1 Begin this procedure with the housing open. Refer to To Open the Amplifier
Housing (on page 13).
2 Remove the amplifier module cover by loosening the amplifier module cover
screws.
3 Remove the old crowbar surge protector.
4 Install the new crowbar surge protector in the surge protector slot. Refer to the
4 Install the new crowbar surge protector in the surge protector slot. Refer to the
illustration below.
Note:
Make sure that all pins on the crowbar surge protector bottom align with the
pin holes in the surge protector slot, allowing the surge protector to install flat
against the amplifier module.
pin holes in the surge protector slot, allowing the surge protector to install flat
against the amplifier module.
Make sure that the components face the outside of the station (see diagram for
proper positioning). Heat shrink tubing has been added to prevent shorting.
proper positioning). Heat shrink tubing has been added to prevent shorting.
5 Replace the amplifier cover and tighten the amplifier cover screws from 10 in-lb
to 12 in-lb (1.12 Nm to 1.35 Nm).