User's Manual

Table Of Contents
3 Detailed Description
18 APCD-LM043-4.0
settings as the failed CCU. In this way, the CAP can be provisioned for N+1 redundancy,
meaning there is one backup CCU for ‘N’ operating CCUs, up to a maximum of N=3.
Figure 10 RFSM
RF Distribution Panel
The optional RF Distribution Panel provides
external interface to the antenna subsystem and site ground,
common surge protector mounting point for each external RF interface, and
common ground point for all CAP components.
Other Optional CAP Equipment
Depending on your configuration and operational requirements, you may require other
components in your LMS4000 CAP, such as a UPS system, CCU Shelf, or free-standing
19–inch rack.
The CCU Shelf is a standard 19-inch mounting rack with an integrated power supply fan and
cooling fans. It contains five CCU slots, for up to three operating CCUs, a backup CCU, and
backhaul CCU.
These optional components can be ordered through WaveRider.
3.3 Customer-premises Equipment
3.3.1 Key Components
The following Customer-premises Equipment components are key:
•EUM
EUM antenna
Transmission line
Lightning arrestor