User's Manual

PN 9000-10 InterReach Unison Accel Installation, Operation, and Reference Manual 3-1
620021-0 Rev. A
SECTION 3 Accel Hub
The Accel Hub distributes downlink RF signals from a base station, repeater, or
MetroReach Focus system to up to eight Remote Access Units. The Hub also com-
bines uplink signals from the RAUs.
Figure 3-1 Accel Hub in a Unison System
Figure 3-2 gives a detailed view of the major RF and functional blocks of the Accel
Hub.
Figure 3-2 Accel Hub Block Diagram
Accel Hub
RAU
Downlink Path: The Accel Hub receives downlink RF signals from a base station, repeater, or MetroReach Focus system via
coaxial cable. It converts the signals to IF and sends them to up to eight RAUs via Cat-5/6 cable.
The Hub also sends OA&M communication to the RAUs via the Cat-5/6 cable.
Uplink Path: The Accel Hub receives uplink IF signals from up to eight RAUs via Cat-5/6 cable. It converts the signals to RF
and sends them to a base station, repeater, or MetroReach Focus system via coaxial cable.
The Hub also receives status information from the RAUs via the Cat-5/6 cable.
Downlink to Main Hub
Uplink from Main Hub
Dave: Please provide
(see RAU for example)