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Introduction
411-2021-111 Standard 01.01 June 1996
Figure 1-1
System architecture of a DualMode Metrocell
Figure 1-2
Digital ready cellular product
There are at least two equipment frames in a Metrocell, a Universal Common
Equipment (CE) Frame and a Metro Radio Frequency (RF) Frame. The cell
site can be expanded or sectorized by adding more Metro RF frames as traffic
grows. The number of Metro RF frames is determined by the cell site
configuration and the channel capacity. Figure 1-3 shows the frames and the
components of a DualMode Metrocell.
DMS-MTX
PSTN
DualMode
Metrocell
Trunk
Digital Transmission
Facility
CELL SITE
DMS - MTX
ICP
ICRM
DRU
SWITCH SITE
DRUM
ACU
CSM2
voice and
control
control
control
voice &
control