Installation Guide

Table Of Contents
RadioFrame System
System Description
RFN_3.1 Beta 13
Figure 5 NCU functional diagram.
2.1.2.2 Airlink Chassis Unit (ACU)
The Airlink Chassis Unit provides the baseband airlink processing for up to 8
RadioFrame Units, providing a coverage area up to 250,000 square feet. The
ACU is the interface between the RFUs and the Network Chassis Unit, and
provides power, signals, and timing to the RFUs.
Figure 6 ACU functional diagram.
AC-DC
Power
DLC
or
ALC
DLC
or
ALC
DLC
or
ALC
Control &
Encoded Voice
Data
CPU
RLIC
APC (1)
. . .
APC (8)
(Non-fully
configured)
DLC
or
ALC
Host I/F,
Encoded
Voice
Sys Config,
RF Control
Encoded
Voice
IS 41
Messaging
. . .
GU
PCM
DLC
Control &
Config
External
Mode
m
NPC
DSP Plug-In
DSP Plug-In
DSP Plug-In
DSP Plug-In
DSP Plug-In
DSP Plug-In
AC-DC
Power
4 “other”
LAN
Connections
AC-DC
Power
WLAN data, IQ
Samples, Clock,
Control, & Power
CPU
RIC
RFU (1)
. . .
RFN
LAN/WAN/
NCU
RFU (8)
WLAN Data,
Encoded Voice,
Layer 3
Messa
g
in
g
Host I/F,
IQ,
Encoded
Voice
IQ, WLAN
Data, Sys
Config, RF
Control
APC
DSP Plug-In
DSP Plug-In
AC-DC
Power