Cisco Cisco 870 MHz GainMaker Amplifiers Installationsanleitung
Chapter 2 Installation and Configuration
10
Before You Begin
The procedures in this chapter assume that you have completed the following:
Prepared the installation site
Located the coaxial cable, with or without the pin-type coaxial connectors
mounted on the cable
mounted on the cable
Required Tools
Before you start, make sure that you have the following tools:
Torque wrench with a 1/2-inch socket
Phillips-head or T-15 Torx-bit screwdriver
Flat-blade screwdriver
Heavy-duty wire cutters or snips
Torque Specifications
The following table gives the torque specifications for the amplifier.
Fastener
Torque Specification
Illustration
Housing hinge screw
5 in-lb to 8 in-lb
(0.56 Nm to 0.90 Nm)
(0.56 Nm to 0.90 Nm)
Power supply module securing
screws
screws
18 in-lb to 20 in-lb
(2.0 Nm to 2.3 Nm)
(2.0 Nm to 2.3 Nm)
Strand clamp mounting bracket
bolts
bolts
5 ft-lb to 8 ft-lb
(6.8 Nm to 10.8 Nm)
(6.8 Nm to 10.8 Nm)
Pedestal mounting bolts
8 ft-lb to 10 ft-lb
(10.8 Nm to 13.6 Nm)
(10.8 Nm to 13.6 Nm)
75 ohm terminator
Per manufacturer instructions
(Appearance
varies by
manufacturer)
varies by
manufacturer)
System amplifier module
shoulder screws (slotted head)
shoulder screws (slotted head)
6 in-lb to 9 in-lb
(0.7 Nm to 1.0 Nm)
(0.7 Nm to 1.0 Nm)
System amplifier module
shoulder screws (cross head)
shoulder screws (cross head)
18 in-lb to 20 in-lb
(2.0 Nm to 2.25 Nm)
(2.0 Nm to 2.25 Nm)
Housing closure bolts
5 ft-lb to 12 ft-lb
(6.8 Nm to 16.3 Nm)
(6.8 Nm to 16.3 Nm)