SC
TM
4812T-MC vs SC 4812T BTS Read Me First (Comparison)
68P64115A21–B
Sept 2003
1X SC 4812T-MC Multicarrier BTS Optimization/ATP
RMF-3
Figure 3:
PA Location Comparison
Numbering
LPA 1A
LPA 1B
LPA 1C
LPA 1D
LPA 3C
LPA 3A
LPA 3B
LPA 3D
LPA 2D
LPA 2C
LPA 2B
LPA 2A
LPA 4B
LPA 4A
LPA 4C
LPA 4D
Sector
3 Sector
Sector
3 Sector
(6 Sector)
Numbering
2 to 1 Combiner
3 Sector or 6 Sector
C1, S1–3
(C1, S1–3)
C2, S1–3
(C2, S1–3)
C3, S1–3
(C1, S4–6)
C4, S1–3
(C2, S4–6)
(6 Sector)
1
2
3
4
5
6
1C
2C
3C
4C
1D
2D
3D
4D
3A
2A
1A
1B
2B
3B
4B
C1 (C1)
C2 (C2)
C3 (C1)
C4 (C2)
C1 (C1)
C2 (C2)
C3 (C1)
C4 (C2)
C1 (C1)
C2 (C2)
C3 (C1)
C4 (C2)
C1 (C1)
C2 (C2)
C3 (C1)
C4 (C2)
4A
S4
MCM
1
Carrier
Numbering
Carrier
Numbering
3 Sector and 6 Sector
3 Sector
(6 Sector)
3 Sector
(6 Sector)
S5
S6
S1
S2
S3
MCM
2
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
SC 4812T
SC 4812T–MC
FW00297 REF.
NOTES:
S
MCM CAN BE EITHER 3X3 OR 4X4.
S
MCM2 IS REQUIRED ONLY IN A 6–SECTOR CONFIGURATION.
S
LOWER RIGHT QUADRANT WILL ONLY HAVE CLPAS IN IT IN A
4X4 CONFIGURATION.
ti-CDMA-WP-00197-v01-ildoc-ftw
Figure 4:
PA Breaker Mapping Comparison
50
SC 4812T
SC4812T–MC
L
P
A
C
C
C
P
2A
4A
2B
4B
2C
4C
2D
4D
1A
3A
1B
3B
1C
3C
1D
3D
50
1
2
3
50
50
50
50
50
50
50
50
50
ti-CDMA-WP-00224-v01-ildoc-ftw
CIRCUIT
BREAKER
PANEL
1D
1C
2C
2D
1B
1A
2A
2B
30
30
30
30
30
30
30
30
3D
3C
4C
4D
3B
3A
4A
4B
50
50
50
1
2
3
C
C
P
L
P
A
C
FW00380 REF.
NOTE
IMPORTANT:
A breaker supports a pair of PAs. In
SC4812T–MC, disengaging (pulling) a PA breaker while the
BTS is operational will degrade the TX Output power of
ALL
sector–carriers, not just a specific carrier as in SC4812T.