BTS Equipment Identification
68P64115A21–B
Sept 2003
1X SC 4812T-MC Multicarrier BTS Optimization/ATP
1-25
Figure 1-7:
BTS Multicarrier Frame Power Amplilfier Configuration – 6 Sector (+27V Shown)
NOTE
The fourth PA quadrant (1D, 2D, 3D, 4D) is populated with
CLPAs only when the 4x4 ETM is used.
The 2nd carrier BBX7–12 is NOT supported in a frame
converted to Multicarrier from early version BTS. An upcoming
feature release will address 2nd carrier support.
ti-CDMA-WP-00196-v01-ildoc-ftw REF
Enhanced
Trunking Module
TX Filter
Enhanced
Trunking Module
TX Filter
Power
Amplifier
Cage
Power
Amplifier
Cage
BTS Frame Description
The BTS is the interface between the span lines to/from the Centralized
Base Station Controller (CBSC) and the site antennas. This frame is
described in three sections:
S
The top interconnect plate where all connections are made.
S
The upper portion of the frame which houses circuit breakers, cooling
fans, and the C–CCP shelf.
S
The lower portion of the frame which houses the power amplifiers and
PA fans, Parallel Linear Amplifier Combiner, enhanced trunking
module(s) and TX filters.
1